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Generation III Internal Engine
T-rex (Little Bigger)

Generation III Internal Engine 1997-2006 LS1 | LS6

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T-rex (Little Bigger)

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Old

Jul 21, 2007 | 05:52 PM

#1

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T-rex (Little Bigger)

My cam is going in on monday. It is a T-rex, but the cam card shows that it is bigger than the advertised 242/248. It says it is a 243.2/249.7 @ .050. What kind of issues might I run into? The car is full bolt-on and a 2002. Thanks for the help in advance.

I know piston-valve clearance might be an issue. Not trying to sound completely ignorant.

Last edited by Agent LS1; Jul 21, 2007 at 06:04 PM.

Old

Jul 21, 2007 | 06:34 PM

#2

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None really most cams spec out a bit different then advertised.
Good idea to check P/V clearence either way.
Good luck and have fun with the new power.

Old

Jul 21, 2007 | 07:17 PM

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shouldn't be a problem my T-rex came out to be bigger as did anothers in town and hers even had more lift 243/249 .613/.619 109 but no problems

Old

Jul 21, 2007 | 07:35 PM

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Thanks for the info.

Old

Jul 21, 2007 | 08:01 PM

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Yeah I had Trex 243/250-614/622 109 Had no problem WITH STOCK HEADS.

Old

Jul 26, 2007 | 09:09 AM

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Its in and i ******* love it. It ended up making 415 rwhp and 389 rwtq SAE. That is on a mild tune. Might be putting a set of AFRs on soon

Old

Jul 26, 2007 | 09:58 AM

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Is that on a A4 or M6?

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Old

Jul 26, 2007 | 10:06 AM

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We are beginning to suspect our Cam Doctor needs a tune up....almost everything we doctor on it comes out on the high side.

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Old

Jul 26, 2007 | 10:09 AM

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From: Keller

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ya it is actually bigger, that is what mine said. ur ptv should be fine just line up them dots EXACT! i will show u a pic of mine.

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Jul 26, 2007 | 10:12 AM

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Old

Jul 28, 2007 | 09:06 AM

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Quote:

Originally Posted by carreras

Is that on a A4 or M6?

Its an M6 but its on a conservitive tune because this is still my daily driver.

Old

Jul 28, 2007 | 09:36 AM

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From: Justin, TX

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Quote:

Originally Posted by Reckless

We are beginning to suspect our Cam Doctor needs a tune up....almost everything we doctor on it comes out on the high side.

Todd, so you need to take the doctor to the doctor?

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