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

Sluggish problem

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Old 10-18-2007, 09:48 PM
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Default Sluggish problem

i just changed my spark plug wires with msd 8.5 sc, changed the plugs with NGK TR55's, and changed to an MSD blaster coil but now the car seems sluggish. Im 85% sure the wires are right and tight on the plugs but im gonna go over it again tomorrow. Is there anything else that could cause this? I made a topic on what to gap the plugs at and they responded with .45 and .55 so i just went with .50 could that be the problem as well? The car starts up and and seems to idle fine. Thanks
Old 10-18-2007, 09:51 PM
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Could be a MAF. IDK what the gap is supposed to be.
Old 10-18-2007, 10:18 PM
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i cant see the MAF going out since it was running fine before the install. But i dont know
Old 10-19-2007, 02:00 AM
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anyone else have any solutions they can give me?
Old 10-19-2007, 02:07 AM
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for some reason i wanna say most people gap the ngk at .35
Old 10-19-2007, 02:15 PM
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ok went over everything again and i must have had a wire crossed cause it seem to run better but now i have a really rich smell like raw fuel while im driving. Now my question is does the plugs, wires, and coil all have to like break and get situated? Im probably going to go back to the stock coil and see what that does.
Old 10-19-2007, 02:23 PM
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I gap mine at .55 here
Old 10-19-2007, 09:50 PM
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any other ideas on whats going on with the rich smell?
Old 10-20-2007, 03:47 PM
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Well went through it gain today and problem found and fixed. I guess when i was moving things around to get to the plugs the fuel lines got around the emission valve thing on top of the manifolds and melted right through the line. So thats were i got the gas smell from, car runs great now. Thanks for all the help.
Old 10-20-2007, 03:50 PM
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hehe. see, **** doesnt break for no reason. you have to backtrack and see what you moved. ive done stupid **** like b4. I was putting my friends intake elbow back on and i forgot a vaccum line, thing wouldnt idle for ****. haha
Old 10-20-2007, 10:50 PM
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,55 first time had problems took back out and gap'd at .45 crisper throttle response and i think that that blaster coil is a waste of money even tho the stock one cost as much as the blaster lol



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