whats wrong in this cylinder? spark plug pic
04-24-2005, 02:33 PM
#2
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Location: Stroudsburg, PA, 18360
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hard to tell from the pic. get a clearer shot of the ceramic. Dont worry about the threads we dont need to see them. From here it looks to be a little dark ( too rich or too cold a plug) is it wet?
04-24-2005, 02:39 PM
#6
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Mine have done that from detonation and preignition, although the preignition also shattered the ceramic insulator, while the detonation left it intact. How's your compression and leakdown?
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04-24-2005, 02:47 PM
#8
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using 1 step colder plugs running 17 degrees at 11.5 psi a/f around 12.0
this is only hapenning in one cylinder
lost about 10 psi compression in it
have cp pistons eagle rods and fully built head
this is only hapenning in one cylinder
lost about 10 psi compression in it
have cp pistons eagle rods and fully built head
04-24-2005, 03:06 PM
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Re: (alexsracing)
your getting detonation...how much timing does that motor run stock? do they like more or less than a, lets say gsr? cause im into dohc's and thats alot of timing
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