Ignition not powerful enough?
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From: Monticello, Kentucky
Ignition not powerful enough? No one ever seems to have an answer to my questions. Nobody in the exernal engine had anything to say so I moved this one back here. I just wanted some opinions. Plugs 1-4 are white so it looks like they are burning well. Plugs 5-8 are black and smell like fuel. This problem wasn't apparent with optispark setup with MSD box. I've been through three different brands of plugs so it's not a fluke. It would appear it's my Delteq coil system, like maybe it's not strong enough to do a complete burn (although I thought the coils would have more spark). Obviously a forward fed intake is gonna run richer in the back by nature but do I have another option besides adding an MSD DIS-4? Plugs are gapped at .030". Problem is apparent with stock heat range and one colder.
Thread Starter
TECH Veteran
iTrader: (53)
Joined: Feb 2004
Posts: 4,433
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From: Monticello, Kentucky
I have not checked the fuel injectors; however, I figured the chances of half the injectors being bad and me putting them all four in the back or me only hanging half of them open was nill. I already got a decent deal on an MSD DIS-4 so if that doesn't improve the condition, I will swap the injectors to the front and try it out.
