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Generation III Internal Engine 1997-2006 LS1 | LS6
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Old 07-13-2009, 02:29 PM
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have a 98 ta.

comp. cam 224 228 534 537 @112

410 gears

fast intake 92 and 94 mw tb

comp. roller rockers

3000 pink conv.

And the best time is 13.13 @105 with i 1.82 short time

why the low et numbers
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Old 07-13-2009, 02:58 PM
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tune? should be going faster than that?
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Old 07-13-2009, 03:09 PM
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Wow has it been tuned yet? According to the trap numbers it's making about stock hp. Something is definitely up here, take it to a dyno and have it tuned by a reputable tuner.
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Old 07-13-2009, 03:12 PM
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Too steep of gears, but it should still run faster than that.

Has the car been tuned?

Does it noticably run bad?
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Old 07-13-2009, 03:23 PM
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WOW very low MPH your trapping for a cammed car... must be the tune?
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Old 07-13-2009, 03:27 PM
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It has been tuned. It made only 315hp and 294 torque. It does run good, the power drops of fast at 6200 on the dyno. What would be some thangs to look at.

thank you all
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Old 07-13-2009, 04:03 PM
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Fuel filter, spark plugs, wires.

Thats almost STOCK RWHP...something is seriously wrong.

What valve springs are on it?
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Old 07-13-2009, 04:13 PM
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^^X2 i ade more HP stock! better get it checked out ASAP. maybe cam wasnt installed correctly(cam gear, crank gear not aligned)...
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Old 07-13-2009, 04:33 PM
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Holy crap that's very low.

How many miles are on the motor? You might need to get a compression check on the cylinders. Sounds like one could be dead.
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Old 07-13-2009, 04:36 PM
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springs are comp cam honeycomb
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Old 07-13-2009, 04:40 PM
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162,000 on the motor, I know, I know, thats alot, your all probably gonna say there ya go, huh
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Old 07-13-2009, 04:59 PM
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Nope, I wont say that. Have you done a compression check to see how bad it is at those miles? It may be time for a fresh hone and new rings and bearing and be done with it .

I'm thinking the cam is off a couple degrees maybe. Who tuned it?
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Old 07-13-2009, 08:08 PM
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no commprission test yet, i will no names on the tune. see if we can fix it, any help?
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Old 07-14-2009, 11:01 AM
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what should the compression be?
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Old 07-14-2009, 12:45 PM
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Your compression numbers should be 155-180psi. Your really looking for them all to be right around each other.
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Old 07-14-2009, 05:49 PM
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compression test all between 160 to 175
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Old 07-15-2009, 09:51 AM
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So you did a compression test? What were the numbers for each cylinder?
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