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05-21-2008
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#1 |
 
Join Date: May 2008
Location: Brownwood Texas
Posts: 119
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spark plugs
got a hesitation problem at 1500 rpm or so going to change plug
what are a good replacement for factory ones ant info or advice. |
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05-21-2008
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#2 |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,158
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Re: spark plugs
AC Delco 41602 are what I just installed in mine
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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05-21-2008
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#3 |
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Join Date: Oct 2007
Location: lone pine and mammoth lakes ca.
Posts: 544
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Re: spark plugs
I USE THE DENSO IRRIDIUMS NOT SURE OF THE NUMBER . THE IRRIDIUMS SEEM TO BURN BETTER TO ME
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05-27-2008
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#4 |
 
Join Date: Jan 2008
Location: Antioch, Illinois
Posts: 129
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Re: spark plugs
In my 91 - I used the NKG Iridium - Part Number - BKR5EIX use the GM Factory gap = .035" Not necessary to go larger. Also don't forget to use a little anti-sieze on the threads before you install them.
Don Yoakem 91-#267 Dark Red Met. |
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Linear Mode
