LT1-LT4 Modifications 1993-97 Gen II Small Block V8

94 Lt1

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Old

Aug 21, 2008 | 01:13 PM

#1

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From: Oak Brook, Il

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94 Lt1

ok, so i just got my 94 Z28 back together

i ported the heads SLIGHTLY

and it has pacesetter LT's and an ORY for an exhaust right now(no catback)

and i started it, and it sounded like maybe it was chopping a little?

the tone was steady, but there was a little rasp that sounded slightly cammed

it still has the stock cam, so could this just be the exhaust?

Old

Aug 21, 2008 | 01:17 PM

#2

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exhaust leak?

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Aug 21, 2008 | 05:27 PM

#3

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You crossed a plug wire somewhere. Double check them all.

Old

Aug 21, 2008 | 05:49 PM

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From: Melrose, MA

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Quote:

Originally Posted by BigZee71

You crossed a plug wire somewhere. Double check them all.

+1, car should not lope.

Old

Aug 21, 2008 | 07:21 PM

#5

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From: Oregon Grown

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Quote:

Originally Posted by BigZee71

You crossed a plug wire somewhere. Double check them all.

x2...

Old

Aug 21, 2008 | 08:34 PM

#6

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From: Mundelein,Illinois

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Quote:

Originally Posted by Andys94Z

ok, so i just got my 94 Z28 back together

i ported the heads SLIGHTLY

and it has pacesetter LT's and an ORY for an exhaust right now(no catback)

and i started it, and it sounded like maybe it was chopping a little?

the tone was steady, but there was a little rasp that sounded slightly cammed

it still has the stock cam, so could this just be the exhaust?

Yes, since you're only running the ypipe, the exhaust pulse will be more pronounced. Hey, aslong as it sounds good. Congrats on your new mods.

Old

Aug 21, 2008 | 09:40 PM

#7

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From: Oak Brook, Il

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i'm pretty sure i figured it out

i dont think i adjusted my valve lash correctly, as the car runs slightly rough

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Old

Aug 22, 2008 | 01:11 AM

#8

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Did you get it all figured out? Was it the valve lash?

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