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

94 Lt1

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Old 08-21-2008, 01:13 PM
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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 08-21-2008, 01:17 PM
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exhaust leak?
Old 08-21-2008, 05:27 PM
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You crossed a plug wire somewhere. Double check them all.
Old 08-21-2008, 05:49 PM
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Originally Posted by BigZee71
You crossed a plug wire somewhere. Double check them all.
+1, car should not lope.
Old 08-21-2008, 07:21 PM
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Originally Posted by BigZee71
You crossed a plug wire somewhere. Double check them all.
x2...
Old 08-21-2008, 08:34 PM
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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 08-21-2008, 09:40 PM
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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
Old 08-22-2008, 01:11 AM
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Did you get it all figured out? Was it the valve lash?



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