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Thread: LS1/T56 swap into 73 Corvette
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08-04-2010 #1
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LS1/T56 swap into 73 Corvette
So I bought this Vette in January with a 350 and a th400. It was fun for a couple months but quickly got tired of the lack of performance and unreliability. I got a chance to purchase a LS1/T56 for a good price and hopped on it. This is what it looked like the day I brought it home.
Pulled the old motor. 
The LS1/T56 
In with the new. 
The exhaust I plan to use. 
The Ls1 Running.With open headers and VATS bypass. 
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08-05-2010 #2
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nice project!!!
Kevin S. (overseas in Germany)
1963 Chevrolet Impala 2d ht Coupe
www.CruznArt.com
CRUZN - Automotive Artworks
08-12-2010 #3
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just an update of the exhaust...need a little more adjustments.
08-30-2010 #4
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The walk around
My favorite!
08-31-2010 #5
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Thanks for sharing!
How would you compare running it with the SBC vs the LS and did you also do some suspension/brake upgrades?
08-31-2010 #6
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Sweet, the shifter hit the console for you...cool deal!
1970 RS/SS350 139K on the clock:
89 TPI motor w/ 1pc rear seal coupled to a Viper T56 via Mcleod's modular bellhousing w/ hydraulic T/O bearing from the Viper, 12 bolt rear w/ 3.73 gearing, SC&C upper control arms, factory lowers with Delalums, C5 brakes at all four corners, Front Wheels 17x8's with Sumi 255/40/17 and Rear Wheels 17x9's with Sumi 275/40/17.
Brief description of the work done so far can be found here: http://www.nastyz28.com/forum/showthread.php?t=112454
08-31-2010 #7
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looking good!
Kevin S. (overseas in Germany)
1963 Chevrolet Impala 2d ht Coupe
www.CruznArt.com
CRUZN - Automotive Artworks
08-31-2010 #8
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Well my old 350 was stock so its was weak. Comparing a built sbc or stock to ls1 ? There is a lot of variables. But with the ls1 your not just getting power your getting relaibilty and mpgs. But when my temp gauge comes in ill let you know how it feelss when I let it loose
Originally Posted by neki67
09-02-2010 #9
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was that sbc really purple or was that just the photo?
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Scott
09-02-2010 #10
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no.. it really was purple.. haha... The previous owner thought it would be cool? I would have gone green and called it the Hulk Originally Posted by Ishmael
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