Wrong Spark plugs????
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Joined: Mar 2001
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From: Barrigada, Guam
Wrong Spark plugs????
I recently installed AC Delco Rapid Fire Spark Plugs on my 92 Camaro. The spark plugs were factory gapped at 045. Ever since I replaced the spark plugs, the car runs sluggish. Should I advance the timing since the gap is alot wider, or should I replace the plugs or regap them.
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Joined: Jul 1999
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From: Key West, Florida!
Car: 89RSconvtZZ4TPI
Engine: ZZ4TPI
Transmission: 700R4 TRIPP TRANNY
Do you still have the tune-up sticker on the hood? If I remember factory calls for .035 or .037 so .045 is a little wide, especially if your ignition system is getting weak. I'd go with straight AC Delco's gapped at factory specs. I have an MSD 6AL and am running my AC Delco's at .050.
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Rob P
89RSconvtZZ4TPI
Edelbrock Hi-Flow Intake
SLP Dual Cold Air Intake
1 5/8" Headers
Semi-Siamesed Runners
MSD6AL/AdjFPR/IROC frnt@rear swaybar/wonderbar/steeringbox/alum drvshaft/ Alston SFC/3:23posi disc rear/MAC LCA/H.Adams Panhard Rod/KYB struts/ shocks/
92Z28convt5spd
71Impala convt 402BB
BETTER DRIVING THRU SUPERIOR HORSEPOWER!
------------------
Rob P
89RSconvtZZ4TPI
Edelbrock Hi-Flow Intake
SLP Dual Cold Air Intake
1 5/8" Headers
Semi-Siamesed Runners
MSD6AL/AdjFPR/IROC frnt@rear swaybar/wonderbar/steeringbox/alum drvshaft/ Alston SFC/3:23posi disc rear/MAC LCA/H.Adams Panhard Rod/KYB struts/ shocks/
92Z28convt5spd
71Impala convt 402BB
BETTER DRIVING THRU SUPERIOR HORSEPOWER!
Supreme Member
Joined: Jul 1999
Posts: 1,218
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From: Orlando,Fl, USA
After all the plugs I have tried, U-Groove, Split Fire, platiunum, Rapid Fire I am back and staying with STOCK Plugs.. My ignition is built up now witha MSD Coil, Crane 8.5MM Fire Wires, and an Accel ignition box and it runs it's best... Index the plugs if you want more out of them.
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