I need a spark plug Recomendation
06-20-2006, 12:14 PM
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I need a spark plug Recomendation I am having heads and cam installed soon. And I was wondering which spark plugs should I use with 10.9 to 1 compression? Any brand recomendations or part numbers?
Last edited by Cgillies86; 06-20-2006 at 12:43 PM.
06-20-2006, 12:33 PM
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Originally Posted by DYING BREED
NGK TR 6 are awesome plugs for the ls1....you can run the tr 55's if you plan on spraying
TR55 for N/a Use the TR6 for spray..
06-20-2006, 01:20 PM
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Originally Posted by Mssingkid
Wrong...
TR55 for N/a Use the TR6 for spray..
TR55 for N/a Use the TR6 for spray..
Dont EVER spray on TR55's, ever!!! Spray on TR6's. The TR6 is good for your higher compression too. 
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06-21-2006, 09:35 AM
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Originally Posted by MIKE_84
Ac delco plugs have lost alot of there quality. I would stick with NGK Tr55's if your not spraying.
06-22-2006, 10:16 PM
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Well AC plugs are built overseas now for one, and just from what i've seen at work (napa), alot of people are not happy with them anymore. Most of the mechanics who buy from us stay away from them now because of alot of bring backs for a bad plug.
07-01-2006, 06:50 AM
#13
When my work did warranty for Workhorse, the old "p" GM chassis for motorhomes and busses, we saw a lot of bad plugs. Those chassis use denso plugs on the 8100 motor and it seemed like every5th or 6th warranty issue we had was fixed by a new set of plugs.
