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1984 Camaro RHS/LSx 427 Twin 76mm build up

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Old 05-20-2013, 09:12 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by Fireball
Actually still have the NUTCASE plate. Let them expire long time ago and kept the back on on the race car...good times
Never put 2 and 2 together and realized you were "nutcase". I remember you from the old EFA races. Was following your build on tech. Looks good!
Old 05-21-2013, 07:27 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Didn't get a whole heck of alot done yesterday, but every little bit is a step closer to completion

-Removed the driver door thats rusted out on the bottom.
-Wire wheeled the hinge areas and hit the surface rust with some rust converter
-Cut out some cancer in the driver side toe-kick area, need to get some metal to patch it back together.
-Welded the driver side "stress" crack on the roof.
-Cut the driver side fender support area to fit the AirRaid Turbo filter
-Figured out how I think I want to plumb everything
-Ordered a bunch or stainless mandrel bends to build the headers, intermediate pipes, and the beginnings of the downpipes.

hmmm...what about Viper Red? I shot my race car with the summit racing paint and it came out pretty decent

Old 05-21-2013, 09:25 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by Fireball
Didn't get a whole heck of alot done yesterday, but every little bit is a step closer to completion

-Removed the driver door thats rusted out on the bottom.
-Wire wheeled the hinge areas and hit the surface rust with some rust converter
-Cut out some cancer in the driver side toe-kick area, need to get some metal to patch it back together.
-Welded the driver side "stress" crack on the roof.
-Cut the driver side fender support area to fit the AirRaid Turbo filter
-Figured out how I think I want to plumb everything
-Ordered a bunch or stainless mandrel bends to build the headers, intermediate pipes, and the beginnings of the downpipes.

hmmm...what about Viper Red? I shot my race car with the summit racing paint and it came out pretty decent

Looks to me like you got quite a bit done. And you can never go wrong with red!
Old 05-21-2013, 09:46 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by Fireball
No...way too much to do.
I definitely understand man. My wife and I are moving to MD at the end of the month and I am looking to connect with the local racers up there. I hope to see your car at Cecil and MIR once you get it together.
Old 05-21-2013, 10:00 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

I like viper red and bmw red
Old 05-21-2013, 10:26 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by mw66nova
I definitely understand man. My wife and I are moving to MD at the end of the month and I am looking to connect with the local racers up there. I hope to see your car at Cecil and MIR once you get it together.
I live less than 10min from Cecil Raceway
Old 05-22-2013, 06:36 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Nice to see you back at it.

What all is involved with clearancing the billet specialties for the 4th gen brakes? Got link to who/what/where this is described perhaps? Looking at putting a set on a diff im working on thanks
Old 05-22-2013, 07:41 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

They have a part number specifically for the fourthgen brakes. Has a bigger inner shell
Old 05-23-2013, 06:08 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Got a little bit done yesterday.

Pulled off the wiper arms that haven't moved in 15 years. Driver side came off with some persuasion, passenger side popped the block out of the arm and it is still stuck on the spindle. Hit it with some penetrating oil to see if I can yank it off tonight. I also ended up cracking the windshield doing this....no biggie though since I planned on having fresh glass installed after paint.

Removed the cowl to assess for cancer in that area. No rust, but something built a wicked nest in the cowl using the Jute padding from under the dash Need to figure out a way to replace the screen in the cowl cover...

Hoping to get the hot side fabricated in the next month or so, figure out where to put some add-ons (radiator overflow, remote oil filter, etc) so I can get the engine bay fully disassembled. I think I'm going to buy myself a decent Eastwood soda blaster so I can fully strip the engine bay to bare metal. I know the DIY blasters take longer, but I have all the time in the world. Besides, I'm all for buying myself new tools

My current goal is to get the entire car into paint by the fall so I can focus on all the laborious tasks like rewiring, plumbing, etc over the winter.

Last edited by Fireball; 05-23-2013 at 06:14 AM.
Old 05-23-2013, 07:37 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Thanks Matt

Fireball these work well for seized arms

Old 05-24-2013, 07:05 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Anyone have any experience on the fit of S&W rollcages in 3rd gens? I've seen a few pics that look encouraging. S&W is only 1 hour from me, it would be a helluva lot cheaper than having something shipped to me. I don't have the readily available access to a bender or raw tubing like when I built the 4th gen racecar anymore.
Old 05-24-2013, 07:45 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

yes, actually, i put a 6 pt in for a guy. he bought the door bars that cleared the arm rests and also swingouts. it fit dang good...not much trimming at all.

i don't like their a-pillar bars on their 10pt...unless they changed it.

good to know they're so close.
Old 05-30-2013, 06:37 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

My header components showed up yesterday. May start fabbing the hot side tomorrow

Bought the stuff last year to split my argon flow to allow a gas purge in the pipes while I weld stainless. Been waiting to try it out
Old 05-31-2013, 07:31 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Alrighty....where to start?

Gotta turn this mess into a set of headers using my TIG welder. 100% stainless



My little TIG toy
Attached Thumbnails 1984 Camaro RHS/LSx 427 Twin 76mm build up-headers_start.jpg   1984 Camaro RHS/LSx 427 Twin 76mm build up-tig.jpg  
Old 05-31-2013, 09:34 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

got the DS header 1/2 mocked up....totally flying by the seat of the pants on these headers LOL

Old 05-31-2013, 09:37 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by Fireball
got the DS header 1/2 mocked up....totally flying by the seat of the pants on these headers LOL

Just a thought before you get too far down the road. Check out the turbo headers Nelson Engines build. Very close to equal length runners for max performance.

Good luck
Old 05-31-2013, 09:53 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by HP52TA
Just a thought before you get too far down the road. Check out the turbo headers Nelson Engines build. Very close to equal length runners for max performance.

Good luck
Fitting around accessories and reasonable plug access are more important to me on this setup...I have no plan to run it at peak potential anyhow. Besides, I'm not a believer in equal length on turbo setups
Old 05-31-2013, 12:19 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Headers are a pain in the butt LOL. Was originally going to push #7 to the top outside position, but #5 tube would've been too close to the plug wires for my liking, so I pushed #7 to the inside. Plan to run #5 under the #7 pipe then up to the collector

Attached Thumbnails 1984 Camaro RHS/LSx 427 Twin 76mm build up-ds_header_2.jpg  

Last edited by Fireball; 05-31-2013 at 02:07 PM.
Old 05-31-2013, 02:09 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Got it fully tacked...



Attached Thumbnails 1984 Camaro RHS/LSx 427 Twin 76mm build up-ds_header_3.jpg   1984 Camaro RHS/LSx 427 Twin 76mm build up-ds_header_4.jpg  
Old 05-31-2013, 08:09 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

All welded up except for the collector...I need to ream it out with a die grinder a bit where I joined the tubes.

Attached Thumbnails 1984 Camaro RHS/LSx 427 Twin 76mm build up-ds_header_5.jpg  

Last edited by Fireball; 06-03-2013 at 07:13 AM.
Old 06-01-2013, 08:40 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Nice! How much roughly invested into those headers? I built a set out of weld els and I was suprised at how much it cost (more than I thought)
Old 06-02-2013, 07:20 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Probably close to $800. But I splurged for the super thick flanges since I had some warping issues in the past.
Old 06-02-2013, 09:18 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

love love love it. are you planning to keep the steering box or go to a rack?
Old 06-03-2013, 07:10 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by mw66nova
love love love it. are you planning to keep the steering box or go to a rack?
steering box. still need to fab up a wonderbar.
Old 06-09-2013, 11:53 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Haven't had alot of time to work on this. I just ordered some 3/16" x 4" steel bar to build the turbo mounts.

Hoping to get the other header built next Friday (hoping I have enough bends left LOL.

Also hope to plumb the headers to the turbo inlets and build the turbo mounts.

This list should keep me relatively busy
Old 03-25-2014, 11:57 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

dude post more pics!
Old 06-29-2015, 12:36 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Fell off the grid for a while...started tinkering on this project again this past weekend...
Old 06-30-2015, 11:56 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

It's about time!
Old 07-01-2015, 12:46 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

I know I know LOL

Hoping to get the hairdryers mounted, the other header built and both headers connected to the turbine inlets over the next few weeks (waiting on flex couplings)
Old 07-01-2015, 06:13 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

And I'm back in business

Partially TIG welded in a bracket to mount the driver side turbo, and started the pipe to connect the header to the turbo. Will be putting in a flex connecter at the open joint.





Old 07-01-2015, 10:34 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Motor solid mounted? May not need a flex coupler with solid mounts and the turbos braced like that
Old 07-02-2015, 04:49 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by Orr89RocZ
Motor solid mounted? May not need a flex coupler with solid mounts and the turbos braced like that
no. don't have room for a motor plate with all the accessories. Will build a strong torque limiter though
Old 07-02-2015, 05:41 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

fabbed a second bracket and mounted the other turbo, now the fun job of fabbing the other header. Should be easier than the driver side one was LOL I'll be clocking both turbos downward but need to cut a hole in the battery trays for compressor outlet to clear.


Old 07-02-2015, 08:25 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

whew....2 years later
Old 07-03-2015, 04:35 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Fireball decided to come back to Earth...lol
Old 07-03-2015, 04:38 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Excellence takes time
Old 02-29-2016, 10:48 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

I've been looking for new torque arm setups for my car and I like the Madman setup you're using. Isn't it more like a ladder bar though because of the mount up front not being on a slip link?

Last edited by 84LsxZ28; 02-29-2016 at 10:57 PM.
Old 03-01-2016, 05:43 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

look again, the madman arm does have a slider joint, just like any other aftermarket torque arm. The Madman uses a rod end insert welded to a tube that slides inside the lower tube of the torque arm. it MUST slide, since the torque arm and lca's travel on different arcs due to their differing lengths. the arm i'm using is built by pa racing. it uses a pivot mount that swings instead of a rod end that slides, but the principle is the same.
Old 03-01-2016, 10:03 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by mw66nova
look again, the madman arm does have a slider joint, just like any other aftermarket torque arm. The Madman uses a rod end insert welded to a tube that slides inside the lower tube of the torque arm. it MUST slide, since the torque arm and lca's travel on different arcs due to their differing lengths. the arm i'm using is built by pa racing. it uses a pivot mount that swings instead of a rod end that slides, but the principle is the same.
Yeah I noticed the slider on the Madman after doing more research on the arm last night.

Does the slider have a way to keep from coming out with a stop of some kind, or is it just much longer than it would slide during suspension travel?

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Old 03-01-2016, 06:25 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

no, it's much longer than the travel. it honestly doesn't move much, but it must move.
Old 04-29-2016, 12:17 PM
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Car: 1984 Camaro Sport Coupe
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Axle/Gears: Fab9 3.00 gears
Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Correct...only moves a minor amount to prevent binding...
Old 04-29-2016, 12:20 PM
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Car: 1984 Camaro Sport Coupe
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Axle/Gears: Fab9 3.00 gears
Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Need some thoughts...

Ready to make this thing a roller LOL

Due to anticipated street driving, I think I'm going to maintain OEM type front configuration (traditional strut/springs instead of coilover).

I'm not going to have much front suspension travel due to high engine power (wheelies bad). Therefore I don't think I need a very complicated strut. My previous racecar only had about 1/2"-1" of travel. Any strut recommendations?
Old 04-29-2016, 12:53 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

I ran tokico 5 way illuminas and eibach prokit front springs. I ended up with 4/5 setting on front which is almost as stiff as it could go. 5 is stiffest,and less front end rise. It worked fine and at the same time,handled like a boss

That was 1.28 60' on prokit street springs and those shocks, with 18x8.5 wheels up front on a 275 pro radial. Rolling fat at 3800 lbs

My buddy has double adjustable strange or afcos on his 4th gen, and hes been having wheelie issues. His has limiters and set almost as tight as shocks can allow. Only 10 minor adjustments left out of 44-odd combinations allowed on the shocks

So no, you dont need complicated fronts imo
Old 05-09-2016, 06:40 AM
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Car: 1984 Camaro Sport Coupe
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Transmission: Powerglide
Axle/Gears: Fab9 3.00 gears
Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Hmmm...they have apparently been discontinued by the manufacturer. Think I'm going to stay with my original coilover plan since I already have the a-arms for coilover setup (no spring pockets).

I'm inquiring on the new AFCO coilover kit that UMI posted about a few months ago since I am going to run AFCOs in the rear...I'm familiar with them from my 4th gen...
Old 05-09-2016, 07:28 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Yeah tokico doesnt make them anymore. Koni would likely work. I'm debating on them or the new viking j201 crusader struts. Sucks at 465$ each
Old 05-09-2016, 11:34 AM
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Car: 1984 Camaro Sport Coupe
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Axle/Gears: Fab9 3.00 gears
Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by Orr89RocZ
Sucks at 465$ each
Not as pricey as the AFCOs
Old 05-09-2016, 11:52 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Yeah every one else is outrageous
Old 05-10-2016, 06:11 PM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Got alot of parts on the way. if all goes well...will be a roller by next weekend
Old 05-11-2016, 05:37 AM
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Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

good to hear there is some forward movement with the project. think you'll get it out this year?
Old 05-11-2016, 05:53 AM
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Car: 1984 Camaro Sport Coupe
Engine: RHS/LSx 427
Transmission: Powerglide
Axle/Gears: Fab9 3.00 gears
Re: 1984 Camaro RHS/LSx 427 Twin 76mm build up

Originally Posted by mw66nova
good to hear there is some forward movement with the project. think you'll get it out this year?
LOL...

Seriously, if I get major fab work completed and body work/paint done this year I'd be thrilled. I keep upping the ante on what I want to do with the project and it added several thousand dollars in parts....

I got the spindles separated from the factory A-arms last night and attached to the tubular a-arms....the strut bolts just didn't want to budge. What a dirty/nasty job haha!

BTW...your build thread has sparked some ideas for my project

Last edited by Fireball; 05-11-2016 at 06:01 AM.


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