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View Full Version : What sparkplug and gap to use?


speedfreek
02-21-2009, 11:21 AM
I am working on my friends shee and he is running the NGK B7ES. The head has been shaved and it has around 140psi. I told him to run the B8's. What gap are yall running or recommend?
02-22-2009, 05:14 PM
He should be running B8ES or BR8ES, nothing else.
speedfreek
02-24-2009, 06:49 AM
What gap do yall run?
TitanMotorworks
02-25-2009, 07:23 AM
with some motor work I would run 9's. So BR9ES. 32-36 thousands
99banshee
02-26-2009, 09:22 AM
I have a milled head on mine and i have always run the BR8ES!!! And honestly all i do is take them out the pack and put them in and i have never had any problems.