Diffuser
#51
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Re: Diffuser
If it took you weeks to design and build the first one.. Why are we without pictures?
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Re: Diffuser
This is like that time when the hot chick ties you to the bed and pulls out a diffuser and cuts your nuts off.
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Re: Diffuser
I find it ironic that Catman's signature says "Stay Skeptical."
#56
Re: Diffuser
You have dedicated your entire life to this project and yet you have no pictures? No one is going to be able to make an exact copy of your diffuser based on a picture or two.
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Need some pics man, I think a diffuser on these cars would look nice. Whether it is functional or not.
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92camaro350 youd be surprised how easy it is to copy somthing if you have the right resources. Not everyone on here may have the skills or tools to do so but those that do could do it easily. But the last thing someone should do if they are trying to come up with a new product to try and sell is post it on a forum in the middle of r&d. He shouldve waited and post it in the classifieds once he had a few made up.
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Re: Diffuser
Here is one from a Ford GT, a car that has spent a lil time in a wind tunnel and a car that I have modified a few of and personally driven one 240mph.
Playing with the aero of a car is a balancing act and serious if your planning on driving high speeds.
If your doing it for a street car and just for looks, have at it but if your planning high speeds you better be playing in a wind tunnel for real world info b4 you hit the track.
Here is the front splitter. This part and the rear parts work together to move air around the car and create down force with the air under the car.
Playing with the aero of a car is a balancing act and serious if your planning on driving high speeds.
If your doing it for a street car and just for looks, have at it but if your planning high speeds you better be playing in a wind tunnel for real world info b4 you hit the track.
Here is the front splitter. This part and the rear parts work together to move air around the car and create down force with the air under the car.
Last edited by TTOP350; 07-30-2013 at 08:10 PM.
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Re: Diffuser
i wish i would have seen this post before i started blocking off the grilles of cars a decade ago in my search for better aero.. i suppose the lawn edging i have on the bottom of the nose of my Camaro also makes my car dangerous to others on the road, too...
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Re: Diffuser
I found a good shop I can use to build these, and I've made some improvements on the original design. I know there's a lot of things you can do to your car to help improve performance. I made alot of junk parts and the such just to see if it would work, the problem was always that something in the design would fail eventually and it would become a problem.
I'm working toward creating something solid enough to withstand the normal wear and tear associated with daily driving, as well as the extenuating circumstances that are bound to happen driving on the open road, while also keeping it safe.
I'm not posting pictures because I don't want people recreating them and getting hurt. I'm posting this topic mid development because I'm interested in your input. So of you all could be a bit more supportive and less detrimental to the task at hand I could focus on my work and provide a solid, quality, affordable product that won't let you down.
I'm working toward creating something solid enough to withstand the normal wear and tear associated with daily driving, as well as the extenuating circumstances that are bound to happen driving on the open road, while also keeping it safe.
I'm not posting pictures because I don't want people recreating them and getting hurt. I'm posting this topic mid development because I'm interested in your input. So of you all could be a bit more supportive and less detrimental to the task at hand I could focus on my work and provide a solid, quality, affordable product that won't let you down.
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Re: Diffuser
A lot of people are giving the OP crap because he basically said "I've made these, you haven't. I know what works, you don't. So let me do the designing unless your confident enough to build one properly". Which makes perfect sense. He apparently knows what he's doing, and for your satisfaction, might consider selling them too you. I have been in cars(Miatas) with diffusers on the interstate, and it does make a difference. They have the same basic bubble effect our cars have. I would be interested in purchasing one, or even making one myself because I like fabbing **** up in school.
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Re: Diffuser
i just want to know what his qualifications are that makes his design better than anything someone else would do? why is it dangerous if i make one, but his isn't?
how does he verify the results- are we talking wind tunnel testing, lap times on a road course, what?
how does he verify the results- are we talking wind tunnel testing, lap times on a road course, what?
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Re: Diffuser
this isnt some quadruple deck super duper blown diffuser thats propelling Vettel to hi quadrillienth world championship.
in reality, the entire underside needs to be flat for the diffuser to at 100% of its capability. which is to evac high pressure air from underneath the car by creating a nice low pressure zone.
more info here: http://www.racecar-engineering.com/t...-aerodynamics/
in reality, the entire underside needs to be flat for the diffuser to at 100% of its capability. which is to evac high pressure air from underneath the car by creating a nice low pressure zone.
more info here: http://www.racecar-engineering.com/t...-aerodynamics/
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#67
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Re: Diffuser
But when gravity finally takes hold you'll be flying around like Aeroflot in no time.
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Re: Diffuser
for a scientific explanation of diffusers see section 5 page 8 of this paper:
http://eprints.soton.ac.uk/42969/1/GetPDFServlet.pdf
http://eprints.soton.ac.uk/42969/1/GetPDFServlet.pdf
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Re: Diffuser
Carbon fiber t-tops, extractor hoods, carbon fiber grilles... I propose that anyone planning to produce a custom part just do it. Don't tell us about it first, don't ask for input, just make one, take a picture and put a price on it. Sorry if I sound harsh, but these threads are full of broken dreams.
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Re: Diffuser
Carbon fiber t-tops, extractor hoods, carbon fiber grilles... I propose that anyone planning to produce a custom part just do it. Don't tell us about it first, don't ask for input, just make one, take a picture and put a price on it. Sorry if I sound harsh, but these threads are full of broken dreams.
#73
Re: Diffuser
Here is one from a thread on this site.
The link to the thread is
https://www.thirdgen.org/forums/fabr...-diffuser.html
For a diffuser to work as good as the OP claims it to work it would have to go through extensive testing and the whole underside of the car be flat like already mentioned. Also, the underside of the test vehicle is most likely not even close to any of our vehicles. The OP says he is going to use a camaro shell for R&D but what about the effects of exhaust routing, ride height, varying suspension components etc. By no means should this be advertised as a life saving safety "contraption". That is only going to give people a false sense of security.
The link to the thread is
https://www.thirdgen.org/forums/fabr...-diffuser.html
For a diffuser to work as good as the OP claims it to work it would have to go through extensive testing and the whole underside of the car be flat like already mentioned. Also, the underside of the test vehicle is most likely not even close to any of our vehicles. The OP says he is going to use a camaro shell for R&D but what about the effects of exhaust routing, ride height, varying suspension components etc. By no means should this be advertised as a life saving safety "contraption". That is only going to give people a false sense of security.
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Re: Diffuser
Carbon fiber t-tops, extractor hoods, carbon fiber grilles... I propose that anyone planning to produce a custom part just do it. Don't tell us about it first, don't ask for input, just make one, take a picture and put a price on it. Sorry if I sound harsh, but these threads are full of broken dreams.
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Re: Diffuser
I'm glad you guys finally showed up, I was starting to get lonely.
Look I know all this already, you're not telling me anything new. Yeah you could build one and snap it up and make profit and whatever. I'm fully satisfied with my own product and I don't need your authentication to reassure myself, and if these threads are full of broken dreams, it's your fault.
Look I know all this already, you're not telling me anything new. Yeah you could build one and snap it up and make profit and whatever. I'm fully satisfied with my own product and I don't need your authentication to reassure myself, and if these threads are full of broken dreams, it's your fault.
#76
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Re: Diffuser
Carbon fiber t-tops, extractor hoods, carbon fiber grilles... I propose that anyone planning to produce a custom part just do it. Don't tell us about it first, don't ask for input, just make one, take a picture and put a price on it. Sorry if I sound harsh, but these threads are full of broken dreams.
Why is it that people find it easier to agree with opinions instead of facts?
I didn't use a wind tunnel, I built it, put it on the car and tested it all by myself, in the real world, just like you said. I know it works, I just need a frame to make sure it bolts up right.
If you're in such a huge hurry make it yourself and be happy. I'm offering this so that people won't have to take the time out of their busy days to re-do work that I've already done.
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Re: Diffuser
For a diffuser to work as good as the OP claims it to work it would have to go through extensive testing and the whole underside of the car be flat like already mentioned. Also, the underside of the test vehicle is most likely not even close to any of our vehicles. The OP says he is going to use a camaro shell for R&D but what about the effects of exhaust routing, ride height, varying suspension components etc. By no means should this be advertised as a life saving safety "contraption". That is only going to give people a false sense of security.
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Re: Diffuser
Like I said, I've built this before, and it worked amazingly. You would have to have driven a car with one installed in order to understand what I'm talking about. I have the parts lying around, and I'm still scouting the local hardware stores for a few more materials / finishing touches I can add to the original design. As simple as it was, it made driving safer, and more fun, and as a side note, it could have been a factor in saving my life in a near fatal car accident last year. I'm still walking and talking because of the safety features already on the car, and it is my honest belief that this 'contraption' helped make sure that I could write this to you guys today. Like I said, before I can start building more of them, I need to get a hold of an old Camaro body. Just need to save up some money. I'll have your pics and proof. Just have a little patience.
#79
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Re: Diffuser
Made it safer, not safe. You take a chance every time you get in the car. The facts are clear, but for some reason this is still a little hazy for you so let me spell it out.
I already stated:
This is not a floatation device.
It will not help you in an accident.
I'm not qualified to make safety equipment, that kind of thing would have to be checked and inspected by local and state driving officials.
This is simply built to make driving smoother.
I said it was safer because it was easier to drive the car without all the bumping and grinding going on in the back seat, no pun intended.
I already stated:
This is not a floatation device.
It will not help you in an accident.
I'm not qualified to make safety equipment, that kind of thing would have to be checked and inspected by local and state driving officials.
This is simply built to make driving smoother.
I said it was safer because it was easier to drive the car without all the bumping and grinding going on in the back seat, no pun intended.
Last edited by CatmanFS; 08-03-2013 at 02:56 AM.
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Re: Diffuser
Look, I know what you're trying to do. You see someone post a few ideas about a product with no real proof to back up their claims and you want to tear as many holes in their story as you can, make them contradict themselves, and recant their statement.
I'm sorry, but I can't back down and contradict things I know to be true. I'll have some proof for you too, if just to put your minds at ease. I encourage people to go out on their own and try new things, but I know the dangers of this kind of work all too well. It takes some experience to know where your boundaries are. Unfortunately, I found mine the hard way, and I don't want to live knowing that others found similar fates while I sat around and did nothing!
I'm sorry, but I can't back down and contradict things I know to be true. I'll have some proof for you too, if just to put your minds at ease. I encourage people to go out on their own and try new things, but I know the dangers of this kind of work all too well. It takes some experience to know where your boundaries are. Unfortunately, I found mine the hard way, and I don't want to live knowing that others found similar fates while I sat around and did nothing!
Last edited by CatmanFS; 08-03-2013 at 03:26 AM.
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Re: Diffuser
Look, I know what you're trying to do. You see someone post a few ideas about a product with no real proof to back up their claims and you want to tear as many holes in their story as you can, make them contradict themselves, and recant their statement.
I'm sorry, but I can't back down and contradict things I know to be true. I'll have some proof for you too, if just to put your minds at ease. I encourage people to go out on their own and try new things, but I know the dangers of this kind of work all too well. It takes some experience to know where your boundaries are. Unfortunately, I found mine the hard way, and I don't want to live knowing that others found similar fates while I sat around and did nothing!
I'm sorry, but I can't back down and contradict things I know to be true. I'll have some proof for you too, if just to put your minds at ease. I encourage people to go out on their own and try new things, but I know the dangers of this kind of work all too well. It takes some experience to know where your boundaries are. Unfortunately, I found mine the hard way, and I don't want to live knowing that others found similar fates while I sat around and did nothing!
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Re: Diffuser
Look, I know what you're trying to do. You see someone post a few ideas about a product with no real proof to back up their claims and you want to tear as many holes in their story as you can, make them contradict themselves, and recant their statement.
I'm sorry, but I can't back down and contradict things I know to be true. I'll have some proof for you too, if just to put your minds at ease. I encourage people to go out on their own and try new things, but I know the dangers of this kind of work all too well. It takes some experience to know where your boundaries are. Unfortunately, I found mine the hard way, and I don't want to live knowing that others found similar fates while I sat around and did nothing!
I'm sorry, but I can't back down and contradict things I know to be true. I'll have some proof for you too, if just to put your minds at ease. I encourage people to go out on their own and try new things, but I know the dangers of this kind of work all too well. It takes some experience to know where your boundaries are. Unfortunately, I found mine the hard way, and I don't want to live knowing that others found similar fates while I sat around and did nothing!
#83
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Re: Diffuser
In the day I do that. At night I defend myself from cruel people. So, unless you have something to contribute stop posting replys so I can focus on my work instead of checking my email.
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Re: Diffuser
Stay off the computer and get some work done.
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Re: Diffuser
turn off email notifications so you don't get an email every time someone responds.. this should free up many, many hours in your day to get this aerodynamic wonder built and out to the masses.
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Re: Diffuser
Anyone ever consider maybe he is just trolling all of you.
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Re: Diffuser
a working diffuser for these cars that looks good WOULD be nice. its a matter of designing one that will scoop up/collect the air under the car and get it out.
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Re: Diffuser
Make it dude, everyone wants to see it done, at the very least you could post a picture of the first one you made.
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Re: Diffuser
Im going to jump on the opinions of another thread that wont end with results.
If you think about it... What has this thread done? It expressed an idea. And thats about where it stopped.
You cant expect or want feedback...because youve shown us NOTHING. Nothing for us to observe. Nothing physical to discuss. Nothing but a couple of stories of how you claim your rear diffuser worked while driving (not saying youre lying..just stating the obvious).
Im willing to bet everyone in this thread that clicked on it because it said "diffuser" truly wants you to build one and have it work. No one is in here bashing diffusers or saying it would be a waste of time. At least not until we realized there was nothing substantial here. You have people saying they'd buy one for crying out loud! But you need to show us something. You cant worry about someone stealing your design. 75% of the people that want one, dont have the ability or desire to build it. Me included.
Trust me...there are threads showing off peoples engineering and design that go WAY beyond a rear diffuser. Bet your butt that stuff will get copied before this.
As I said before, I really hope you do come up with something! But we need to see something that keeps our attention. Something...anything real...
J.
If you think about it... What has this thread done? It expressed an idea. And thats about where it stopped.
You cant expect or want feedback...because youve shown us NOTHING. Nothing for us to observe. Nothing physical to discuss. Nothing but a couple of stories of how you claim your rear diffuser worked while driving (not saying youre lying..just stating the obvious).
Im willing to bet everyone in this thread that clicked on it because it said "diffuser" truly wants you to build one and have it work. No one is in here bashing diffusers or saying it would be a waste of time. At least not until we realized there was nothing substantial here. You have people saying they'd buy one for crying out loud! But you need to show us something. You cant worry about someone stealing your design. 75% of the people that want one, dont have the ability or desire to build it. Me included.
Trust me...there are threads showing off peoples engineering and design that go WAY beyond a rear diffuser. Bet your butt that stuff will get copied before this.
As I said before, I really hope you do come up with something! But we need to see something that keeps our attention. Something...anything real...
J.
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Re: Diffuser
The OP hasn't been online in 2 months, so I'm assuming this wasn't a serious thread.
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Re: Diffuser
The thread was a tease....shame idea is good and it be nice to see some one do it.
As a crash since thread is a bomb and a lot of people seemed interested...I started mine.
But its a rear valance to attach and fit lower section of rear bumper to a diffuser...I'm doing it to reshape and create a different look.
I do want to jump on this aero...pro/con safe or not debate....
Don't over complicate it. No one is driving in a wind tunnel or at 200mph nor do any of tge thirdgens have inclosed carriages....so unless if falls off the car...its no different then adding a body piece....I mean, its silly to kill a whole page over it....lol....maybe it works, maybe not....its cool and I wanna see someone make one...!!!! Just mount it well
Ps...I'm just playing around...
As a crash since thread is a bomb and a lot of people seemed interested...I started mine.
But its a rear valance to attach and fit lower section of rear bumper to a diffuser...I'm doing it to reshape and create a different look.
I do want to jump on this aero...pro/con safe or not debate....
Don't over complicate it. No one is driving in a wind tunnel or at 200mph nor do any of tge thirdgens have inclosed carriages....so unless if falls off the car...its no different then adding a body piece....I mean, its silly to kill a whole page over it....lol....maybe it works, maybe not....its cool and I wanna see someone make one...!!!! Just mount it well
Ps...I'm just playing around...
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Re: Diffuser
The thread was a tease....shame idea is good and it be nice to see some one do it.
As a crash since thread is a bomb and a lot of people seemed interested...I started mine.
But its a rear valance to attach and fit lower section of rear bumper to a diffuser...I'm doing it to reshape and create a different look.
I do want to jump on this aero...pro/con safe or not debate....
Don't over complicate it. No one is driving in a wind tunnel or at 200mph nor do any of tge thirdgens have inclosed carriages....so unless if falls off the car...its no different then adding a body piece....I mean, its silly to kill a whole page over it....lol....maybe it works, maybe not....its cool and I wanna see someone make one...!!!! Just mount it well
Ps...I'm just playing around...
As a crash since thread is a bomb and a lot of people seemed interested...I started mine.
But its a rear valance to attach and fit lower section of rear bumper to a diffuser...I'm doing it to reshape and create a different look.
I do want to jump on this aero...pro/con safe or not debate....
Don't over complicate it. No one is driving in a wind tunnel or at 200mph nor do any of tge thirdgens have inclosed carriages....so unless if falls off the car...its no different then adding a body piece....I mean, its silly to kill a whole page over it....lol....maybe it works, maybe not....its cool and I wanna see someone make one...!!!! Just mount it well
Ps...I'm just playing around...
the whole thing would be hinged so it can articulate with teh suspension but not flex as air flows through (possibly make it a 2 deck (lolz i iz adrian newey jr!)/over it. i would have it join a relatively flat section on each side of teh rear seat well. the diffuser would 'envelope' the driveshaft and rear diff. maybe with some profiling with fg/cf to get air to flow over the axle tubes more easily (not unlike f1 and their control arms, steering arms, etc). this would all then flow out the back aided by some well placed veins.
the tricky part is the articulation. without it.. there would have to be gaps to allow the suspension to do its thing and that would allow air back up into that well. could do something simple like smooth, tough, rubber membranes or some such so hinges and the like arent needed.
remember, you have to think like air. if you do that, you will be able to do a lot.
Last edited by RaverRacerX; 10-29-2013 at 12:28 AM.
#97
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Car: 1987 Trans Am GTA
Engine: 350 TPI
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Axle/Gears: Posi 3:42
Re: Diffuser
I'm not saying it don't work or that the fbodys have or dont have, gaps and drags. But this thread should move to theoretical Not form or function.
Debating the degree of increase/decrease that a non exsitant piece makes just had me at a huh....last night after opening thread with excitement.
Hopefully the over analytical picking Don't deter someone from actually making one. That was my point....just in a humerus way.
But if its that serious then I would image you will duct the wheel wells and track the underside of the car and no hinges....NASCAR doesn't hinge their diffusers.
Now back to topic.....
Let's see some fabraction!!!!!!!
Debating the degree of increase/decrease that a non exsitant piece makes just had me at a huh....last night after opening thread with excitement.
Hopefully the over analytical picking Don't deter someone from actually making one. That was my point....just in a humerus way.
But if its that serious then I would image you will duct the wheel wells and track the underside of the car and no hinges....NASCAR doesn't hinge their diffusers.
Now back to topic.....
Let's see some fabraction!!!!!!!
#98
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Car: 85 Z28
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Re: Diffuser
I'm still planning on making this. I said I know it works, I'm just waiting for it to warm up again. It's too cold to be doing a bunch of metal work.
#99
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Re: Diffuser
As many have mentioned previously, I would be interested in purchasing one. I think it would give the rear end of my car a unique look. I like everyone else would like to see the finished product in order to make the determination on whether or not to actually buy one.
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Car: 86 IROC
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Re: Diffuser
Before I had a third gen, I had a 4th gen 95.
Unfortunately, or fortunately, however you want to look at it, I totaled that car in an unrelated accident due to a bent tie rod. It was a great car and I loved working with modifying parts and I even fabricated a custom diffuser for it. It was well built and performed beautifully.
The handling went through the roof, and the freeway driving became so much easier due to the decreased turbulence coming out of the back end that you could cut through even the heaviest traffic like butter.
The next car I got was a 92 RS V8, and I loved that car. I was a bit more careful about it and never made any fab parts or custom anything. Did engine and body work. I was in the process of building another diffuser when I was t-boned turning into a bank. The car was virtually totaled, guy hit me in the tri-fold behind the passenger door.
Anyway, my point is that the diffuser that I built for the 95 would bolt up underneath the gas tank in exactly the same way on the 92. It was built out of a thin sheet of metal, some non-slip rubber matting, and a few sheets of lexan from a local hardware store. I'm sure that the existing design would work just as well as the one on the 95, and I was considering using some molds and casting a newer version out of carbon fiber or some sort of abs plastic.
I was wondering if anyone would be interested in seeing me continue my work with this. If anyone would like to see some work-ups or a few pictures I'd gladly supply them to someone who was interested in buying one.
Unfortunately, or fortunately, however you want to look at it, I totaled that car in an unrelated accident due to a bent tie rod. It was a great car and I loved working with modifying parts and I even fabricated a custom diffuser for it. It was well built and performed beautifully.
The handling went through the roof, and the freeway driving became so much easier due to the decreased turbulence coming out of the back end that you could cut through even the heaviest traffic like butter.
The next car I got was a 92 RS V8, and I loved that car. I was a bit more careful about it and never made any fab parts or custom anything. Did engine and body work. I was in the process of building another diffuser when I was t-boned turning into a bank. The car was virtually totaled, guy hit me in the tri-fold behind the passenger door.
Anyway, my point is that the diffuser that I built for the 95 would bolt up underneath the gas tank in exactly the same way on the 92. It was built out of a thin sheet of metal, some non-slip rubber matting, and a few sheets of lexan from a local hardware store. I'm sure that the existing design would work just as well as the one on the 95, and I was considering using some molds and casting a newer version out of carbon fiber or some sort of abs plastic.
I was wondering if anyone would be interested in seeing me continue my work with this. If anyone would like to see some work-ups or a few pictures I'd gladly supply them to someone who was interested in buying one.