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Programmer
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856 Posts
Discussion Starter · #1 ·
On my brand new 351w engine (only around 9.5:1 ocmpression) when I shut it off, it usually diesells. How can I stop this? its really embarassing. I am running 92octane... The cam is a 230/240duration if that matters, with 58cc afr 185cc heads

Chris
 

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Programmer
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856 Posts
Discussion Starter · #2 ·
One more thing, I tried downing the timing a few degress, and then when I give it a bit of gas, it backfires through the carb, so I can't retard it anymore. I think it needs to be advanced maybe?
 

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Programmer
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856 Posts
Discussion Starter · #5 ·
I figured it out. It was the carb, i've never owned one of those holley 4bbl double pumpers with 4 idle screws. they were all off. way off. The thing runs like a raped ape now, i've never burned out in 2nd gear. Wow that was great...

Chris
 
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