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71 chevelle LS3 turbo build

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Old Mar 20, 2010 | 06:53 PM
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Default 71 chevelle LS3 turbo build
Heres a few pictures of my build. 1971 Chevelle, ls3, t56.

Motor

Brand new LS3 block
Wiesco boost pistons
Manley Rods
ls7 Cam
ARP head studs
241 heads ported by RPM
SS intake and exhaust oversize valves
60 lb injectors

Turbo Set up

Custom fabed front mount
PTGTS76mm
Tial 44
HKS bov
12-15 lbs of boost







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Old Mar 20, 2010 | 07:59 PM
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Nice engine! Why the 241 heads though? Are they better for boost with that setup?
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Old Mar 20, 2010 | 08:05 PM
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They are full cnc ported and had the part of the heads where the valves seat milled out for lower comp.
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Old Mar 20, 2010 | 08:25 PM
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sweet!!
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Old Mar 20, 2010 | 10:10 PM
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Originally Posted by 71chevellels1
They are full cnc ported and had the part of the heads where the valves seat milled out for lower comp.
I see. Nice build and good luck with it. It will be a nasty ride. A turbo spooling from an old school muscle car will definitely catch people off guard.
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Old Mar 25, 2010 | 11:15 PM
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Got the motor in!!!

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Old Mar 26, 2010 | 12:25 AM
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man thats nice looking set up brother!
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Old Apr 7, 2010 | 11:45 AM
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could u show some pic,s of the alt bracket..
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Old Apr 7, 2010 | 12:52 PM
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That's bad *** I haven't seen that intake b4 looks good
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Old Apr 7, 2010 | 01:25 PM
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any updates?
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Old Apr 19, 2010 | 06:58 PM
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Got most of my hotside done. Waiting my tubing for my wg and i still have to weld in my two 02 bungs. Its all 2.5 Stainless. Let me know what you guys think.







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Old Apr 19, 2010 | 07:08 PM
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looks good. only question i have is, why is the u bend off the drivers header so big? looks like you could take 6" out of it.
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Old Apr 19, 2010 | 08:33 PM
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Well i was trying to make the engine bay look a little less bare because im running no inners but it didint look as i hoped...but it makes everything look more even with the turbo on the opp. side.
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Old Apr 20, 2010 | 07:03 AM
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looks good
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Old Jul 1, 2010 | 04:23 PM
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Few new pics



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Old Jul 1, 2010 | 07:10 PM
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Nice build, May I ask what headers your using?
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Old Jul 7, 2010 | 06:23 PM
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headers are obx for a gm truck i just cut off the flanges and welded v bands. 300 dollar set of turbo manifolds!!!
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Old Jul 15, 2010 | 07:16 PM
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Old Jul 16, 2010 | 11:50 AM
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Looks nice man job well done, Post some pic,s of the dyno pull and all the info up on the pull. Would like to see the chart of the pulls. Again nice job...
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Old Jul 16, 2010 | 12:50 PM
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Anymore pics of the car itself?? I grew up in the passenger side of my dads 71 that he had built.
Loving the build man!

Love these cars!!!!
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