C5 Ls1 swap started
#1
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Car: 1989 IROC-Z
Engine: 406
Transmission: 700R4
Axle/Gears: 9 bolt 2.77s
C5 Ls1 swap started
This website has been more than usefull, so thanks ahead of time to anybody that reads this. I just picked up a running 04 corvette with a T56, that was tboned and not repairable. Engine/trans will be going into my 89 L98. My question is will the rear axle/brakes bolt up? I plan on using anything I can off this car. We'll be pulling everything out next week. hopefully everything goes smoothly, and I'll post up the pics.
-Justin
-Justin
#2
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Car: IROC-Z
Engine: LSx
Transmission: T56
Axle/Gears: Fabbed 9"
Re: C5 Ls1 swap started
You cant use the vette tranny. Its a transaxle type. On a C5, it sits directly next to the rear end. You will need an f-body tranny. Dont bother with the C5 rear end/suspension, youll get all over your head with this... Better not attempt anything this crazy if you are not a super fabricator. My 2 cents.
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Car: Camaro
Engine: 6.2L
Transmission: T56
Re: C5 Ls1 swap started
The rear calipers will bolt onto LS1 backing plates but aside from that i dont think much else from the rear of the car is really practical to use for your swap. Theres been a few threads pop up over the years about guys trying to swap in a Vette IRS rear but to my knowledge it has yet to be done successfully although I dont really browse the fabrication section anymore so perhaps theres fresher info. I think you can buy parts to mod the transaxle trans to make it into a regular t56 but your best to check with sixspeedsinc on that one. They may offer you a trade in core value for the vette towards an f body version.
#4
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Car: 1989 IROC-Z
Engine: 406
Transmission: 700R4
Axle/Gears: 9 bolt 2.77s
Re: C5 Ls1 swap started
I'll check into the trans issue. I'm gonna start pulling everything out this
weekend.
#5
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: C5 Ls1 swap started
There are several IRS swaps listed on TGO, but the C4, mid to late 80s is best IIRC, is better for the swap. Don't bother trying with the C5.
The first pic is a 3rd gen, 2nd pic a 4th gen, but mounting them in is essentially the same job.
The first pic is a 3rd gen, 2nd pic a 4th gen, but mounting them in is essentially the same job.
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: C5 Ls1 swap started
They are all custom installed. Ggeometry is essential.because the LCA mounts are cut off. Once you hit that point, there's no going back! Get it right....or ruin your car.
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Re: C5 Ls1 swap started
I need to redo the crossmember, as I don't like the exhaust routing under the framerails.
#9
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Car: 1989 IROC-Z
Engine: 406
Transmission: 700R4
Axle/Gears: 9 bolt 2.77s
Re: C5 Ls1 swap started
any ideas on what a complete irs setup from this C5 might be worth? I'd love to make a little $$ back on this car to offset some costs.
this website is badass. I've answered like 50 questions in 2 hrs reading up on everything.
cam--
do you got any pics of your car?
--Justin
this website is badass. I've answered like 50 questions in 2 hrs reading up on everything.
cam--
do you got any pics of your car?
--Justin
#11
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Car: 1989 IROC-Z
Engine: 406
Transmission: 700R4
Axle/Gears: 9 bolt 2.77s
Re: C5 Ls1 swap started
thats badass!! i had to read up on that 89. wicked.
#12
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Car: 1989 IROC-Z
Engine: 406
Transmission: 700R4
Axle/Gears: 9 bolt 2.77s
Re: C5 Ls1 swap started
anybody know if the c5 fuel tank will fit?
thanks !
thanks !
#14
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Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
Re: C5 Ls1 swap started
That's funny to see, everyone on the c4 vette site I go to is trying to do a solid rear swap and here are people are putting the irs in..
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Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
Re: C5 Ls1 swap started
Originally Posted by 383fbod
why go solid drag race?
street would be better IRC correct?
street would be better IRC correct?
#17
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Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
Re: C5 Ls1 swap started
wow old post, but yeah drag racing. Those little dana pieces blow up pretty good, the 44's arnt too bad though.. IIRC the 34 or 44 are both stronger than our factory 10 bolts..
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Car: 1986 Camaro Iroc Z28
Engine: 325ci. 6bolt skirted main
Transmission: Built stg2 700R4
Axle/Gears: 3.42 Posi disc rear
Re: C5 Ls1 swap started
I dont mean to hijack or anything, just a quick question. Are these your manifolds? I have a similar swap and my custom LT are leaky and damaged...thought about trying these out, if anyone knows wether or not they fit-let me know.
LS2 vette manifolds.
LS2 vette manifolds.
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Car: 1987 Pontiac Trans Am GTA
Engine: 5.7L TPI 350
Transmission: 700r4
Axle/Gears: 2:73
Re: C5 Ls1 swap started
How about 07 Cadillac STS IRS ebay link http://cgi.ebay.com/ebaymotors/ws/eB...link:middle:us Bolt in or what changes will be needed. My 87 GTA aussi 9 bolt is on it's way out, been wanting to do this for sometime, now I'm getting forced in. Thanks for any help you can provide.
#21
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: C5 Ls1 swap started
How about 07 Cadillac STS IRS ebay link http://cgi.ebay.com/ebaymotors/ws/eB...link:middle:us Bolt in or what changes will be needed. My 87 GTA aussi 9 bolt is on it's way out, been wanting to do this for sometime, now I'm getting forced in. Thanks for any help you can provide.
#22
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Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
Re: C5 Ls1 swap started
How about 07 Cadillac STS IRS ebay link http://cgi.ebay.com/ebaymotors/ws/eB...link:middle:us Bolt in or what changes will be needed. My 87 GTA aussi 9 bolt is on it's way out, been wanting to do this for sometime, now I'm getting forced in. Thanks for any help you can provide.
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