LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

OKAY im starting to get pissed, wtf is going on with my car????

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Old 07-04-2004, 12:13 PM
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OKAY im starting to get pissed, wtf is going on with my car????

symptoms:
(sometimes)boggs down in lower rpm when i let off the clutch
gettin horrible gas mil......8/9 m.p.g.
cars performance and acceleration keeps changing good to bad\
car feels like it doesnt want to go all the way sometimes when i get up on it(sometimes)
car sounds like it aint getting fuel in lower rpm, again SOMETIMES

WHAT COULD IT BE.......i have changed all the ignition in my sig recently and have a new fuel filter on it.......does my car just need a dyno tune to make it run right or what??????


ohh also before when i got the car (about year ago) that thing was a monster, whenever i use to get up on it in 1st gear the car would just go crazy and trow me back, now i have done headers, y-pipe and all the ignition in my sig plus the clutch and flywheel and the car fells like it got a little slower??????????????????
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Old 07-04-2004, 12:23 PM
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Have you checked your fuel pressure lately ???

The fuel pump may be going bad...

Have you done a fuel filter ??
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Old 07-04-2004, 12:28 PM
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Yes i did do a fuel filter
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Old 07-04-2004, 12:37 PM
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-check fuel pressure

-look for fireworks that could be caused by your headers

do the systems only accure in open loop, when the engines hot??
when's the last time you changed your opti??
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Old 07-04-2004, 12:41 PM
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thats what i was thinking ...opti.....neverbeen changed.....how much is it for the delteq system...is it alot better
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Old 07-04-2004, 01:04 PM
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I don't have any idea, but I do know about the ltcc I just put one on my car!
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Old 07-04-2004, 01:10 PM
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how much was it, is it anygood, which is better
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Old 07-04-2004, 01:17 PM
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Yes tell us more about this delteq system...
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Old 07-05-2004, 02:11 AM
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anything anybody
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Old 07-05-2004, 02:25 AM
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I have a delteq. I cant tell you how much i love it. I got it for 595 from www.elitesparkplugs.com . The guys there are awesome. It didnt fix my problem (i had a broken valve spring), but i still love it. It is so simple, straight forward, and clean.

The instructions make it a breeze for install. It gives me peace of mind that i dont have to worry about my crappy ICM goin out because of the heat on the heads or the opti taking a crap on me because of water.

I highly recomend it and Pete (one of the designers) is an awesome guy as well.

-Stu
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Old 07-05-2004, 02:43 AM
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Chalk up another vote for the Opti.
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Old 07-05-2004, 04:59 AM
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Do you have a cat? If so, maybe it is starting to clog up on you. Just a guess.
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Old 07-05-2004, 02:22 PM
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i have no cats........what else can it be besides opti
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Old 07-05-2004, 03:24 PM
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-check fuel pressure
-Opti
-possible bad 02's
- you said u have no cat so that cant be clogged
those are my guesses

good luck man...i kno its frustrating
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