LT1/LT4 Tech 1993-1997
View Poll Results: Which brand for spark plugs?
AC Delco
6
60.00%
NGK
3
30.00%
Other
1
10.00%
Voters: 10. You may not vote on this poll

Spark Plugs!

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  #11  
Old 02-20-2009, 10:59 PM
doww301's Avatar
In the Staging Lanes
Join Date: Mar 2008
Location: Weed, CA.
Posts: 77
Default Delco

They're good enough for GM, they last, they're not expensive to replace - What's not to like?
 
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  #12  
Old 02-21-2009, 03:35 PM
Join Date: Feb 2009
Location: san bernardino CA
Posts: 29
Default

1997 and earlier 5.7 LT1 requires AC type R43LTSK or equivlent. I have had a bad experiance with platnum plugs. i do not recomend any platnum generation plug
 
  #13  
Old 02-21-2009, 05:00 PM
z28pete's Avatar
Tech Droid
Join Date: Aug 2005
Location: North East PA
Posts: 9,215
Default

Make sure the plugs you get last a long time, as you don't really want to revisit this job. The original factory plugs in my car went over 100K and were still looking good when I fnally replaced them.
 
  #14  
Old 02-22-2009, 04:28 PM
greenarrow's Avatar
September 2009 ROTM
ROTM Winner's Club
Join Date: Dec 2008
Location: On your back and in da sun yo!
Posts: 3,115
Default

I've used the bosch +4's in my car for over 100,000+ miles with no problems.
 
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