Where is nogood?
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Joined: Jan 2006
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RE: Where is nogood?
ORIGINAL: UltraScoot
can you tell me more about this flash? I get a little knock when rolling on the throtle at about 78mph (see my build below)
we are waiting on a Harley flash calibration to reduce base timing from 50 degrees, to 34 degrees.
nogood o~`o
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Joined: Aug 2005
Posts: 2,141
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From:
RE: Where is nogood?
ORIGINAL: wnogood
Someone previously mentioned that the 510 cams tend to produce alot of detonation ( spark knock ) when used at compression ratios higher than 10 to 1 or so. My builder confirmed that the rumor was in fact just that....fact.
nogood o~`o
Someone previously mentioned that the 510 cams tend to produce alot of detonation ( spark knock ) when used at compression ratios higher than 10 to 1 or so. My builder confirmed that the rumor was in fact just that....fact.
nogood o~`o
So are you saying your builder told you it was just a rumor?
That's what I was told to. After I broke in my engine I took it back to him and told him it was pinging like crazy, he said he couldn't here it when he rode it. I told him to go take it for a spin. He came back and said yeah, it is detinating pretty bad.
So he made a few adjustment to the ignition and the detination was gone. So I took it for a spin and it felt like a dog, I honestly think my RK felt slower then before any engine mods. Hell I think one of the new 96"ers would of even walked away from me.
So I ended up setting the igintion back and running at least 92 octain with some booster, that helped some but it still churps alot at lower RPM.
I've talked with several people that have went to the same builder that I did, and he is nolonger using 510's with high compression. [sm=confused06.gif] I wonder why ?
Good luck Bro.................
Seasoned HDF Member
Joined: Dec 2005
Posts: 5,464
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RE: Where is nogood?
04RoadKing - What thickness head gasket did you use in your build. If it was a thin one (like a .030) you can try going to a thicker gasket to get some compression out of the motor. It may not take much, you never know?
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