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Old 05-21-2008   #1
RUSSELL
 
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Join Date: May 2008
Location: Brownwood Texas
Posts: 119
Default 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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Old 05-21-2008   #2
-=Jeff=-
 
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,164
Default Re: spark plugs

AC Delco 41602 are what I just installed in mine
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Old 05-22-2008   #3
bradslt5
 
Join Date: Oct 2007
Location: lone pine and mammoth lakes ca.
Posts: 544
Default 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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Old 05-27-2008   #4
karterdon
 
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Join Date: Jan 2008
Location: Antioch, Illinois
Posts: 129
Default 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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