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Old Jan 8, 2010 | 01:17 PM
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Z28ricer
Doesnt see what you did
 
Joined: Sep 2007
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1. Yes
2. Possibly, it really varies
3. Same as any other LTx, LSx swap
4. No
5. K member yes, mounts no
6. Possibly on the block side with adapter brackets you'll have to search for them I'll bet they are available
7. Its going to come down to the placement of your mounts, I believe if you get a true viper upgraded trans the output spline count is different so you'll at least need the transmission yoke change.
8. No
9. The wiring for the T56 is part of the engine harness. You have the reverse light switch in there as well as the vss, cags, and reverse lockout that are wired to the pcm.
10. Probably


Originally Posted by Stealth Mode
Okay, '94 Caprice, Ex cop car. Still has original LT1 and auto. Looking into swapping in a LS/6speed.

Forgive me if I jump all over the page

1. LS6 heads and intake will bolt right up to a LS1 shortblock?
2. Will it be cheaper and more effective to just drop a 5.3 or 6.0 in it?
3. Has anyone reading this, done this swap or knows of someone who done it before?
4. If the LS1 gets dropped into it, will I have clearence issues with the power booster or master cylinder?
5. Can I use the stock K-member and LT1 motor mounts?
6. Can I use the stock Trans Am/Camaro LS motor mounts?
7. When using the T56 viper spec transmission, will I have to have a driveshaft made? Planned on replacing it with a Aluminum one and would like to kill 2 birds with one stone.
8. Can I use the F-Body trans cross member for the manuel?
9. Does the trans itself have a wiring setup I will have to run while putting in the engine/dash harness?
10. Last but not least, If all goes well and it comes threw, on the 150 shot will it put this car at 500RWHP?


A cam would probably be a lot better choice instead of the LS6 heads if you have to go for one or the other. Use the LS6 manifold, sell the heads for an aftermarket cam.


The main plan of the car is a clean undercover cruiser. Still has spotlight, strobes, and push bar.

I have heard from diff ppl that the LS1 short block mounted with LS6 H/C/I combo will top 410hp. Only mod other than headers and a cai will be a 150 shot of the giggle gas and gears.


Thanks in advance for the help!
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