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

This car is really pissing me off

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Old 04-23-2011, 11:24 PM
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Tune is a stock 6spd car tune. Should run fine with this small cam. Wires have been checked, double checked and checked again by 2 friends.
Old 04-23-2011, 11:24 PM
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is ur coil good ?
Old 04-23-2011, 11:25 PM
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Yep. Tested good and swapped a new one in. No change so swapped the one of my brothers car. No change as well.
Old 04-23-2011, 11:26 PM
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id get it tuned ! any codes being thrown
Old 04-23-2011, 11:27 PM
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Originally Posted by madmike9396
id get it tuned ! any codes being thrown
No codes being thrown. I need to get the car tuned but it should be running well enough to drive to the shop.
Old 04-23-2011, 11:35 PM
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not sure man good luck with it !

Let us know if u figure it out. Im sure someone else will chime in
Old 04-23-2011, 11:38 PM
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Have you tried to force it into open loop?
Old 04-23-2011, 11:44 PM
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Originally Posted by madmike9396
not sure man good luck with it !

Let us know if u figure it out. Im sure someone else will chime in
Yeah I hope I fiqure it out. Long story short I on the car before this.

-Blew head gaskets
-Changed head Gaskets...Bad head
-Bought Cam,Heads,Rockers
-Swapped in with new clutch.
-Got a rod know
-Rebuilt engine
-Had trouble getting car to run. Got it running good.
-New clutch slipped due to some oil on the disc
-Swapped clutch disc. Clutch would not release.
-New master/slave
-Turned out disc was bent from the factory.
-Swapped in a whole new clutch.
-Drove car 137 miles only to have the oil pump that I supplied for the rebuild fail out.....Dam Melling
-Bought this engine and swapped cam,heads,and all new gaskets.
-Got everything together and the transmission started making bad noises along with the brand new throw out bearing. Just had that rebuilt. New bearings and stage 2 rebuild.
-Now sitting here with the car still acting up. Tired of working on it and I am ready to sell it.

With the other cars I have bought to drive while this has been down I have $25k in 3 cars. One of those is sold. The stupid honda is on life 11 out of 10. Should have bought that GTO 3 years ago.
Old 04-23-2011, 11:45 PM
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Originally Posted by jaycenk
Have you tried to force it into open loop?
Yeah, No change. Runs a little better in open loop but not enough to drive it.
Old 04-23-2011, 11:56 PM
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Your story is starting to sound like mine lol. Our cars must be related. Have you tried a good ICM? What about the valve lash? Too much preload?
Old 04-24-2011, 12:02 AM
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Originally Posted by jaycenk
Your story is starting to sound like mine lol. Our cars must be related. Have you tried a good ICM? What about the valve lash? Too much preload?
ICM is good. Also used my brothers and its made zero change. Valve lash was checked and redone. May have someone come to do the valve lash. Or I may do it again tomorrow.
Old 04-24-2011, 12:13 AM
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You using roller rockers or the stamped?
Old 04-24-2011, 12:14 AM
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1.6 roller rockers that come with the lt4 hotcam kit
Old 04-24-2011, 12:20 AM
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How much pre load did you put on the polly's 1/4 1/2 3/4 1 turn?
Old 04-24-2011, 12:36 AM
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Originally Posted by jaycenk
How much pre load did you put on the polly's 1/4 1/2 3/4 1 turn?
1/2 turn. Did a 1/4 turn before but that was to loose. 3/4 turn is to much. Did a 2/3 and it was still to much. Now at 1/2.
Old 04-24-2011, 12:45 AM
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Sounds dead on I wouldn't think thats the problem then. Crossed up plug wires, burnt plug wires? lol I am running out of ammo.
Old 04-24-2011, 12:54 AM
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Originally Posted by jaycenk
Sounds dead on I wouldn't think thats the problem then. Crossed up plug wires, burnt plug wires? lol I am running out of ammo.
Yeah your telling me. I am going to redo the valve lash tomorrow and triple check the plug wires. The car idles to good for a crossed/burnt wire. Going to pull all the plugs and check/clean them. Also want to say I have checked the injectors and they are all working. If that does not work I'm done. My parents are probably going to help get it in a shop. I am still probably going to sell it afterwards.
Old 04-24-2011, 01:32 AM
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Dont rule the opti out. They can go out at any time.
Hows the MAF?
Old 04-24-2011, 09:54 AM
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Originally Posted by l 95 Trans Am l
Dont rule the opti out. They can go out at any time.
Hows the MAF?
Yeah, I really hope its not the opti. Maf is good as my brother used it on his car when his died out.
Old 04-24-2011, 10:34 AM
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Everyone is always blaming the opti right away... Sounds like a bad miss that culd be from multiple issues at the same time. The plugs and wires. Without the proper diag tools you will be Guessing and replaceing parts and wasting time. First thing is you either need to pull every wire and OHM them, Pull every plug and check them(sometimes they look good and are not) OR get a Kilovolt meter that checks wires and plugs and run the car at idle and see if everything checks out ok, then recheck while someone else brake loads the car at 2000rpm or so with emergency brake on as well and see if all checks out. If you ignition passes and you have not checked Fuel then thats where i would go to next. you keep focusing on rocker arms instead of the entire picture. sounds like you need some help from someone who knows what to do


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