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Old 09-14-2009, 02:23 PM   #1
Jason 98 TA

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LS3 Engine Dyno LSA Comparison Data Inside!!

As most of you know we're working hard to develop the new line of TSP LS3 based camshafts. In our testing we've compiled tons of data to help create camshafts that make across the board power to help move our 4,000# cars. Anyone can build a peak only camshaft that's a dog to drive. The engine dyno is helping us to closely analyze small changes in camshafts & how we can better create more avereage power across the entire rpm range!

I thought it might be a good idea to go ahead & post just a little bit of the data we've compiled from testing camshafts in our LS3 engine dyno mule. For this test we ran our 229/236 LS3 camshaft with TSP intake lobe & XFI exhaust lobe using different amounts of advance & two different lobe seperations. These tests were done same day back to back of each other in hopes of shining some light on what LSA & ICL does on a LS3 based engine. We have data from other size camshafts doing the same basic changes, but this test was just completed last week so I thought I'd go ahead & post this up.

These two camshafts were identical other than LSA & the cams ICL was verified for every test. This is probably the best side by side comparison to date that allows guys to see up close exactly what the different LSA's & ICL's do to the power curve on a LS3 engine.

This is the kind of data that we're working hard to put together for our customers. Anyone who doesn't like the results please don't shoot the messenger, all I did was install the cam & hold the throttle down!

Differences Graph Based on RPM

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Old 09-14-2009, 07:34 PM   #2

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Great info, keep it coming guys!!!
2010 SS L99, 536rwhp 10.843@126.72. Whipple Supercharger stock pulley, ARH 1 7/8 longtubes w/ catted xpipe, magnaflow 3" mufflers, ADM Race CAI, 3:70 gears, lightweight wheels and nitto drag radials. Stock internal L99, stock converter.

Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s!

Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..
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Old 09-14-2009, 08:01 PM   #3

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I love technical data.
SPi Performance Stage 3 package Comp Cam
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Old 09-14-2009, 08:26 PM   #4
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Jason, when you ship that ls3 to me, looks like maybe that green cam is the one to have?? hard to tell by the graphs, but looks best all around???
2010 IOM RS/SS TVS2300, cam, stall, headers
2002 Z28 427
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1968 383 Camaro
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1967 RS 327
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