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LT1 Swap Guide

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Old Jan 19, 2004 | 11:38 PM
  #1  
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LT1 Swap Guide

Ok, I've got more done on the swap guide. So far I've got the FAQ, Hardware List, and the entire Swap Registry. I'll post here when I get more of the site up and completed. Let me know if anyone has any suggestions for the site.

When everything is finished, I will include a Credits page to list everyone that contributed to the site, don't want everyone thinking I did this by myself.

LT1 Swap Guide

Also, once I get the site completed, I'm going to upgrade my geocities account so that I can get a domain name. Most likely I'm going to get lt1swapguide.com so that its pretty easy to get to.
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Old Jan 20, 2004 | 12:01 PM
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Hey that is going to be great when it is done. The only thing I could think of upon reading the FAQ is the oil pan differences between the vette and f body. Now I am not positive but you cannot use a vette oil pan in a f-body correct?
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Old Jan 20, 2004 | 12:47 PM
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You're right, I'll add that in when I get back from class.
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Old Jan 20, 2004 | 01:37 PM
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Site looks awsome and will be a huge help. Maybe we can add a section for reputalbe contacts IE the guy who makes custom fuel lines, PCM reprogrammes etc.
I am doing an LT1 swap, 383 with LT4 conversion with Corvette accessories and also converting the cooling system to the Corvette style. Also using a ZF Corvette tansmission. (should have just bought a vette huh) Still just trying to get the motor work done so I know this site will be a great place for me to find things.
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Old Jan 20, 2004 | 02:01 PM
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Sounds like an awesome swap you're going to have there. You'll love the LT4 conversion, it makes great power and having a 383 will only make more.

A links page is something I've been trying to put together next but so far I havent found much in the way of anyone that does the fuel/powersteering/ac lines. I've found links for just about everything else but havent found much for those. Any suggestions?
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Old Jan 20, 2004 | 02:46 PM
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
I think you can use the vette oil pan, its only on the ls1 you can't use the vette oil pan.
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Old Jan 20, 2004 | 02:46 PM
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Here is one place for the fuel lines. John Was very helpful he will make the lines any length.
http://www.lt1intake.com/fuellines.htm

I have also heard that stock Impalla power stearng lines are a direct bolt on for some F-Body applications, although I would find someone who can testify to it. As soon as I get to all this wonderful plumbing stuff I will have so for sure stuff to add.
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Old Jan 20, 2004 | 03:24 PM
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Awesome, thanks for the link. I'll also check into the Impalla powersteering lines
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Old Jan 20, 2004 | 03:25 PM
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Originally posted by pasky
I think you can use the vette oil pan, its only on the ls1 you can't use the vette oil pan.
Hmm...I'll have to check around and double check on that then.
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Old Jan 20, 2004 | 04:03 PM
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alright d00d. I looked at the page, its nice and all, but i thought there was much to be improved upon.

I want to ask your permission to redisign it in my view with your help, and just give the rest to you once i have the base page done. I mean its a great page you got there, but there is so much that could be done to improve upon it, its not even funny.

So if i can get your permission to someowhat redesign it for you, if you want to use it then cool, if not then oh well.

I was gonan do it without asking then i saw you had a copywrite on it so ya know.

I wont need any of the credit for building the page i just would like to see it in a more suitable form.


shane


P.M. me if you have any questions
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Old Jan 20, 2004 | 04:32 PM
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It's good, its very simple. Theres no need for an interface or graphics. Right now, I can just go to any page I want, print it out and ther won't be any problems. Getting too fancy can make it annoying. If im doing an engine swap, I'm not browsing the website admiring how nice it is, I'm probably going to print out the pages. So the bare minimum is best, text and photos of the swap. Keep up the good work texas, I'm sure your site will be very helpful to me down the road.
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Old Jan 20, 2004 | 04:41 PM
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Car: 1986 Trans Am
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alright well lets see what everyone thinks of my beta page. This is what i've concocted in 25 of play time so dont think its stupid work. well it prolly will be since it took me 25 minute.


http://www.angelfire.com/fl5/ShanesM...en_fbody_l.htm





dont mind the banner at the top, i've got to edit my setting so it shows up ina popup window and looks how i mad eit for you guys.



update: i just got doen fixing the images that was on there that wouldn't show up.



Give me feedback guys, i'm relaly justs itting here doodling around with this thing

Last edited by therckid; Jan 20, 2004 at 04:54 PM.
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Old Jan 20, 2004 | 04:54 PM
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Originally posted by StealthElephant
It's good, its very simple. Theres no need for an interface or graphics. Right now, I can just go to any page I want, print it out and ther won't be any problems. Getting too fancy can make it annoying. If im doing an engine swap, I'm not browsing the website admiring how nice it is, I'm probably going to print out the pages. So the bare minimum is best, text and photos of the swap. Keep up the good work texas, I'm sure your site will be very helpful to me down the road.

He hit the nail on the head. I wanted something that was quick and easy to locate what you wanted, print it out, and go.

Thanks for the input, I'll take it into consideration. The thing to remember is right now all I'm trying to do is get all the information up first. Once I have the site completed and all the info on it that I want, then I'll worry about streamlining it and adding any cool stuff like what you're talking about.
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Old Jan 20, 2004 | 04:55 PM
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did you even look at the stuff i posted?
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Old Jan 20, 2004 | 04:57 PM
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yeah I did, and it looks good, its just not what I was going for. Let me get everything working first then we'll talk about graphics and an interface since thats all above my level at the moment.
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Old Jan 20, 2004 | 05:00 PM
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well right there was a basic level page. What i am gonna do soon as my pirated version of Studio Mx comes in is completely make it different. No more frame no more anything of that sort. You should see some of my pages i've done. Even though i sold most of them and dont know where they exist on the web, they were very nice.


Tellme anytime you need help with anything. Tell me if you'd like to have me redisn it beucas ei have great work when i'm motovated and this motovates me.
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Old Jan 20, 2004 | 05:30 PM
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http://www31.addr.com/~stealthe/davinci/davinci.htm

I used to design websites. But unless Texas is going to spend the time to make the website 100% printer friendly the frames are best. It's alot easier to organize frames and update the navigation bar. The forums here have a "printer friendly" button which is nice. Just way too much work for an information website though.

Pop up links, omg that is annoying.
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Old Jan 20, 2004 | 06:28 PM
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damn d00d i'm too antious for this to come. I'm not wanting to hurry you as that would cause for more imperfect pages. So please just post us like when you put a new page is on there. Alright?


shane
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Old Jan 20, 2004 | 07:10 PM
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hey KIDRCTH, slow down and look at the letters your typing dude!! TEXAS LT1 is doing a great job on this website, most of us dont want a bunch of crap when were looking for info that can help us get our rides out of the garage, I suggest you spend your time helping to research solutions instead of junk we dont need, dont mean to offend, I just would like to see this site done!!!
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Old Jan 20, 2004 | 09:21 PM
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
I agree, functionality first, then beautification. Again, no offense to you, lets get a foundation here first.
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Old Jan 20, 2004 | 09:25 PM
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
Also, im going to be using my stock V6 radiator, not sure if it makes a difference, but I had the side pumps rebuilt using metal since it broke about six months again, not the stock plastic. Also, Z28***** mentioned to use radiator hoses from a 93 Z28, get the upper and lower coolant hoses, don't go to the dealer, they wanted $83 each from me, autozone wants $13.99 .

Also, I wanted to ask ya texas, did you just throw the new compressor on without flushing the evaporator box and other components? If it worked fine for you in the texas heat, screw it, thats what i'll do. Thanks.
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Old Jan 20, 2004 | 09:32 PM
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The Vette oil pan will work just fine. If you have a Vette Lt1 which is preferred, you will have no issues with the oil pan.
Also, I used the stock power steering line which other than being about 2.5 inches too long, works great. This is the stock one from the '94 Vette Lt1 I used. The 2.5 inches just would make it a little neater.
Another vote here for lt1intake.com Their custom fuel line work is first rate and looks factory.

The swap site is looking good and I wouldn't bash another member on here for making a small suggestion. You can always make a printer friendly link if need be....that's just my suggestion.
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Old Jan 20, 2004 | 10:07 PM
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Thanks for the info on the vette oil pan and power steering lines.
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Old Jan 20, 2004 | 10:34 PM
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
I didn't mean it in any way as bashing =/.
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Old Jan 20, 2004 | 10:51 PM
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Sorry....maybe bashing wasn't the right word.
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Old Jan 21, 2004 | 01:36 AM
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
You'll also need a fourth gen power steering reservoir....or so I was told, z28 says the best to use is off a 99 v6 3800....but I can't confirm this.
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Old Jan 21, 2004 | 07:20 AM
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I was going to cover that in the powersteering section, but thanks.


Anything else y'all got, keep it coming, I don't want to miss anything in this.

Last edited by TexasLT1; Jan 21, 2004 at 07:26 AM.
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Old Jan 21, 2004 | 07:28 AM
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Originally posted by pasky
Also, im going to be using my stock V6 radiator, not sure if it makes a difference, but I had the side pumps rebuilt using metal since it broke about six months again, not the stock plastic. Also, Z28***** mentioned to use radiator hoses from a 93 Z28, get the upper and lower coolant hoses, don't go to the dealer, they wanted $83 each from me, autozone wants $13.99 .

Also, I wanted to ask ya texas, did you just throw the new compressor on without flushing the evaporator box and other components? If it worked fine for you in the texas heat, screw it, thats what i'll do. Thanks.

No, we flushed the entire system first. I had read somewhere that you needed to flush it to get rid of all of the oil from the R-12 system as its not compatible with the R-134a oil. We ended up charging it, discharging it, and recharging it so many times though that we wouldnt have needed to flush it originally, that would have done it itself.

Also, site has been updated to reflect the changes mentioned here so far. I'll make more as needed.

Last edited by TexasLT1; Jan 21, 2004 at 07:38 AM.
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Old Jan 21, 2004 | 08:45 AM
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My father recently proposed to me that we build a street car before I have to return to active duty in two years. I have an 89 RS convertible that I rescued from a German bone yard a few years ago, got it adequately running, but now it is collecting dust sitting in my parking lot. Tragic I realize.

So when he proposed this idea to me, I have been kicking around the idea of an LT1/ T56 combo. The task would obviously be more complicated than just dumping a 350 TBI in the car (I have the boat anchor 305 in there now).

From the info you guys have posted here, it looks like it is a dooable thing though. I was curious as to when TexasLT1 might have his swap guide complete. Should we proceed with the project, I will be able to add pics and tips as Dad and I progress through it.

Also for Trans Am #5, I see you live in Chi-town. You also have the same package that I am considering. If it wouldn't be too much hassle, could I come see your car. I live in Dekalb and my folks live in the NW burbs.
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Old Jan 21, 2004 | 12:33 PM
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What branch of the service are you? I'm at the Air Force Academy right now, so semi-active duty I guess you could call it.

Anyway, I hope to have the guide mostly finished up in about 2 weeks. I'm not sure how long it will take with school and all, but I just about finished up the Fuel Delivery page last night and will move on to Mechanical next. I'm most likely going to leave the Electrical section till the last seeing as how that will be the hardest and there is so much to cover.
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Old Jan 21, 2004 | 02:27 PM
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Originally posted by DislocatedGI
Also for Trans Am #5, I see you live in Chi-town. You also have the same package that I am considering. If it wouldn't be too much hassle, could I come see your car. I live in Dekalb and my folks live in the NW burbs.
Absolutely! You are more than welcome. Email me when you decide what you want to do.
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Old Jan 21, 2004 | 07:03 PM
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From: Jax, Florida
Car: 1986 Trans Am
Engine: 305 LB9 TPI
Transmission: 700-R4
here is a very good source page for you d00d. They just added it to their site not too long ago. And if you want to reccoment them i've doen very giood business with them before.

http://www.tacreationsusa.com/3_4_3_8_v6_to_lt1.htm
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Old Jan 21, 2004 | 07:10 PM
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
That site says the speed readings and oil/coolant tempurate ratings are different, think some of that stuff applies to 4th gens only.
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Old Jan 21, 2004 | 07:50 PM
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From: Jax, Florida
Car: 1986 Trans Am
Engine: 305 LB9 TPI
Transmission: 700-R4
was wondering, how much different is the swap forma corvette/f-body LT1 compared to a Caprice or Impala SS LT1? Are the accessories different?
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Old Jan 21, 2004 | 07:54 PM
  #35  
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Car: 1991 RS Camaro (Jet Black)
Engine: 95 383 CI (6.3) LT1
Transmission: 95 T-56
Believe thier all the same as the f-body except for maybe power steering and AC, vette is the only one that stands out.
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Old Jan 21, 2004 | 08:03 PM
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ok cool.
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Old Jan 21, 2004 | 11:01 PM
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TexasLT1, I have a domain name and private hosting, if you want to talk about hosting it with me, drop me a line. ViperMagic18 on AIM, bud@deathandburning.com
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Old Jan 21, 2004 | 11:42 PM
  #38  
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Car: 1987 Trans Am
Engine: Lt1
Transmission: T56
Originally posted by kidrcth
was wondering, how much different is the swap forma corvette/f-body LT1 compared to a Caprice or Impala SS LT1? Are the accessories different?
Actually, the Corvette Lt1 is the most ideal if you plan on keeping A/C. The accesories don't interfere with anything and you save a lot of time since no notching of the frame is necessary.

Even when GM did the one off 1992 Camaro RS, they used a Vette Lt1 becuase it was basically a drop in. The article is featured in Hot Rod March '95.
Texas....I'll send you the articles for the swap site.
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Old Jan 22, 2004 | 12:53 AM
  #39  
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TexasLT1, I appreciate the G2 (that's intel in Army speak) on your guide.

Trans Am #5, I don't want to be a problem so what would the ideal days be for me so I can kind of schedule it in. I need to grab my old man (who happens to be on crutches at the moment) so he can see this as well. He is what you call mechanically de-clined when it comes to modern OBD cars. So when I spoke to him about an LT1 swap, he got lost. I figure a working visual image will do him good.
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Old Jan 22, 2004 | 10:37 AM
  #40  
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Dislocated...How about we switch this over to email...mines cpd004@hotmail.com
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Old Jan 22, 2004 | 10:44 AM
  #41  
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The fuel part of the site is up now.
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Old Jan 22, 2004 | 11:57 AM
  #42  
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Originally posted by Trans Am#5
The fuel part of the site is up now.
It just keeps getting better!
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Old Jan 22, 2004 | 07:54 PM
  #43  
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Car: Kitt
Engine: Classified
Transmission: T56
Axle/Gears: Moser/4:11
Damn guys. This is gonna be bad *** when I start the swap. How about putting your #'s up on the site for a 24 hr tech line!
:lala:
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Old Jan 23, 2004 | 11:27 AM
  #44  
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Woohoo I'm back!!! lol, for some reason the stupid network here wouldn't let me on the past few days.

Alright, thanks Trans Am #5 for the Hot Rod pages and posting the update for me. Like he said, the Fuel page is up and probably about 85% finished, I've got a little bit more I'm going to add. This weekend I'm going to try and get the Mechanical section up, where I'm going to cover modifying the crossmember, the different accessory configurations, power steering, and stuff like that. I hope to have that up my Monday morning if not a little sooner.

Kidrcth, thanks for the link. I'll inlcude that info and link to their page as well.

Tamatt, hopefully when the site is finished we wont need the tech line, thats the whole point behind this thing

ViperMagic, you have mail.
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Old Jan 23, 2004 | 11:43 AM
  #45  
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Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
would you guys care to know that u can use the stock 3rd gen brackets and serpintine setup with stock power stereing pump and all that good stuff?
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Old Jan 23, 2004 | 11:57 AM
  #46  
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I think if you were able to do that that would save a lot of people some heart ache and cost when doing an LT1 swap. Any pics?
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Old Jan 23, 2004 | 12:27 PM
  #47  
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Originally posted by f-crazy
would you guys care to know that u can use the stock 3rd gen brackets and serpintine setup with stock power stereing pump and all that good stuff?
YES!!! all the information you could give us would be outstanding

And like David said, pics would be great.
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Old Jan 23, 2004 | 03:19 PM
  #48  
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
first thing im gonna say is this was done with a CARBED LT1...

and the only thing that would affect this being doen on an opti would be the location of the crank pulley...meaning with the carbed setup the balancer mounts just a regualr SBC balancer...

the CC'd LT1's balancer is 7 1/2 inches..and in order to convert to a rear mount DIST., you have to block the opti hole and the plate wont fit over the LT1 balancer so you have to use a 6 3/4 balancer (SBC)....now if your gonna run the motor off the 730 ecm then dont worry about what i just said, becasue youll use the 6 3/4 anyway...

all i did was test fit the brackets on the motor on the stand WITHOUT the water pump on the motor...and all but 1 of the 8 bolts lined up perfectly...after i knew theyd bolt up i installed the water pump and tried again.....put the bolt in the bottom of the 2 lower anchor points...then "roll" the bracket in towards the water pump and see were it hits...

youll need about 3-4 hours, a cut off wheel, extra wheels, saftey glasses and something to cover your neck....

i dont have any pictures right now but ill take some when its get a little warmer were i can take them off and snap them


but you have to cut notches out of the brackets to get them to fit...dont worry about them being weak there still anchored securely...theres one hole that wont line up..in the inward most upper on the passenger bracket...

on the power sterring bracket its VERY close...youll have to cut a bigger window out of this one, and youll notice that the little crimp were the powere steering reservior is put together hits the water pump...so what youll have to do is cut that little crimp down and grind it flush to the body...then smear JB weld over the seam and then silicone after its dry...

as afar as belt routing goes, this is were it gets KINDA tricky..youll have to use the A/C compresser to swing the belt up and around and for the tensioner...but the routing is basically the same...itll go under the crank pulley up and over the AC under the tensioner over top the ALT and around the power sterring pump...its a big circle instead of up down and back around ****

also this routing will run the belt right in front of the thermostat housing..and a standard SBC housing comes strait out, with the belt right in the middle of it, theres no way a SBC housing will work..but dont worry i have it handled..what youll have to do is use a SBF yes i said FORD t-stat housing....go to autozone and look at the SBC and SBF housings and youll see what i mean, youll notice that the SBF housing comes up instead of out..so get one of those and reem the bolt holes out a little, use some RTV with the gasket, some washers on the bolts and your good to go...

i never said it wasnt without some "rigging", but i figured it out in a day and i figured it saved me 250-300 bucks.....

i also dont have a smog pump obviously...and the belt i found that fit the best was a 710K6....meaning 71 inches long 6 rib

the best part of it is...it looks completly stock..you cant see the cuts in the brackets or anything...and like i said even theve had some meat removed, there not going anywere...

ill take some pics when i can...
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Old Jan 23, 2004 | 03:51 PM
  #49  
TexasLT1's Avatar
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From: Angleton, TX
Car: '92 RS
I understand what you are saying so I'll try and find some good photos somewhere of the bracketry and photoshop the modifications you are talking about.

I does sound like a cost effective alternative but the question comes up as to whether it will work at all keeping the optispark and LT1 balancer. I think I've only seen one other carbed LT1 swap, every other one has kept the LT1 computer and the optispark.
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Old Jan 23, 2004 | 04:04 PM
  #50  
f-crazy's Avatar
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
the only thing i can think of that will affect this is i think the balancer is an inch farther out then the SBC balancer..thats due to the HUB that the balancer mounts to
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