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

I need a little help.

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Old 05-26-2010, 08:34 PM
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your fuel pressure shouldnt be 43 at idle unless the vac line is off the reg. and i seriously doubt you "jumped time".fella's correct me if im wrong but... this would be catastrofic if it had it had actualy happened....wouldnt the damn gear/chain break 1st???
Old 05-27-2010, 10:13 AM
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I think the chain had stretched. dont get me wrong but i believe its all original with 230000 miles on the car.
Old 05-27-2010, 10:19 AM
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Originally Posted by defaultexistence
your fuel pressure shouldnt be 43 at idle unless the vac line is off the reg. and i seriously doubt you "jumped time".fella's correct me if im wrong but... this would be catastrofic if it had it had actualy happened....wouldnt the damn gear/chain break 1st???
i do have some bad rotted vacuum hoses on my evap that im replacing.
Old 05-27-2010, 03:49 PM
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oh the bent hose that i circled its discontinued where can i find one. i have the l shaped one on the way.
Old 05-27-2010, 03:55 PM
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I just repalced that one with some regular rubber hose when mine was corroded a long time ago. I have since deleted all the evap crap.
Old 05-27-2010, 03:58 PM
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i wish i could delete the evap,egr,and smog pump.
Old 05-28-2010, 11:59 PM
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bump for more suggestions
Old 05-29-2010, 12:07 AM
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if you got fuel and spark, its obviously something mechanical... That being said sounds like its time for a rebuild considering the mileage.jmo...
Old 05-29-2010, 05:43 AM
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I would double check the wires that go into the top of the coil. I had a problem like this once myself. Also i do doubt that your engine jumped timing, i have a 1994 x sheriff's caprice with just over 289,000 on the ticker and those are some hard miles.
Old 05-29-2010, 04:40 PM
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after i replaced the opti and it didnt crank i was a little clueless. i had ordered the s bent hose for my evap system, cause it was rotted to hell. i put that hose on it and it fired right up.and i can tell theres other vacuum leaks. alse it used to be hard to crank. now it busts off as soon as i hit the key.
Old 05-29-2010, 07:37 PM
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i just want to thank everyone for their input.
Old 06-02-2010, 11:10 AM
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well now the car doesnt bust off at the touch of a key. it just turns over and over and finally starts. anyone ever had that issue.
Old 06-02-2010, 01:16 PM
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Now that does sound like a bad coil or ICM, make sure they are hooked up properly
Old 06-02-2010, 03:09 PM
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will do when i get home.
Old 06-09-2010, 09:53 PM
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Just a guess here, but what about the crank position sensor?
Old 06-10-2010, 10:59 AM
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Originally Posted by afterburner82
Just a guess here, but what about the crank position sensor?
CPS sensor has no affect on performace/starting whatsoever.



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