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| high rpm bog/flatspot? https://slantsix.org/forum/viewtopic.php?t=36866 |
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| Author: | darrt wells [ Wed Aug 26, 2009 4:07 pm ] |
| Post subject: | high rpm bog/flatspot? |
Ive noticed that when driving my dart, that above or around 4500 RPM I get this flat spot or bog. If i hit the bog, drop 250 or so RPM and then punch it again, it will climb up to 5000rpm no problems. Im thinking it could possibly be an ignition problem (missfire?). I dont belive it is detonation by the sound b/c it is more of a flat missfire type sound then a sharp detonation sound? Any help would be greatly appreciated! 
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| Author: | Matt Cramer [ Wed Aug 26, 2009 4:25 pm ] |
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What sort of ignition is it running, and what kind of carb? |
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| Author: | emsvitil [ Wed Aug 26, 2009 4:35 pm ] |
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You could be emptying the float bowl... When you drop back, it gets a chance to refill |
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| Author: | darrt wells [ Wed Aug 26, 2009 4:41 pm ] |
| Post subject: | |
Quote: What sort of ignition is it running, and what kind of carb?
Im running a brand new GM hei module from a 350/350 crate engine with a Chrysler stocker-type coil ( the coil is one of my first ideas for possible cause). The carburator is a holley 600dp with a holley blue pump set at 5.5psi. Offenhauser intake. K1/Wiseco 10.5:1 engine.
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