NGK TR6 for 10.5:1+ compression?
05-26-2009, 11:20 PM
#5
I'd say diagnose your tune and you'll be able to solve your issue.
What exactly is the build of your motor? Incl sizes and specs.
05-26-2009, 11:34 PM
#6
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If you're having detonation I'd adjust your tune prior to resorting to plug swap. FYI, 10.5:1 generally isn't considered high compression really. I mean it's technically above norm but not to the point of worrying about heat range of plugs.
I'd say diagnose your tune and you'll be able to solve your issue.
What exactly is the build of your motor? Incl sizes and specs.
I'd say diagnose your tune and you'll be able to solve your issue.
What exactly is the build of your motor? Incl sizes and specs.
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05-27-2009, 12:00 AM
#8
alright thanks guys....Ive got a lot of problems...this is just a thought since I still have that 1 stocker in there....I think it's the original 2000 plug but im not sure. Anyways, I turned the MAF off a while ago (running SD) floored it and the truck bogged so bad @ 4000 rpms it's just stopped pulling....shitting all over itself, felt like a 4 banger. Plan is to change the intake manifold and TB gaskets, put new plugs in (ill go with tr55's again, but this is why i was asking, would it hurt to go with tr6's?)....then hopefully get this turd running right and then puts the new trans in.
Regarding the compression i asked a member on tech to calculate for me with his program (takes into account variables that you cant do on the general online calculators) and it came out to 10.63:1. But I also had a lot of carbon buildup on my pistons which I'm sure is raising it more and causing some hot spots on its own. Should have cleaned that off I suppose....
Regarding the compression i asked a member on tech to calculate for me with his program (takes into account variables that you cant do on the general online calculators) and it came out to 10.63:1. But I also had a lot of carbon buildup on my pistons which I'm sure is raising it more and causing some hot spots on its own. Should have cleaned that off I suppose....
05-27-2009, 07:54 AM
#9
I am 11.5:1 and run the TR-6 plugs. I started with the 55's however swapped out to the TR-6's in prep for spraying at a later date. In N/A form, I saw no difference in the amount of spark advance I could run, KR observed and overall running condition of the motor between the two heat ranges however this was during winter months...the heat of summer may change things.