Old Mar 15, 2007 | 02:18 PM
  #16 (permalink)  
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Swampgoat
11s na, spray for fun
 
Joined: May 2006
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Great races again with Bob and The Orange. Enjoyed it.
Except it truly was a kill...

Add to my list of mods a broken cylinder #3. As soon as I lifted on the second run I got a tremendous exhaust backfire, enough to make Adam the cam man about shit! I knew she was hurt as soon as i rolled back onto the throttle after she coasted down and I was getting evil exhaust backfires whenever I gave her gas.
Parked nearby and a bunch of folks helped me try to figure out what was up, including CBRTRX doing a Predator check...all okay.
I went back today with tools and pulled the plugs and compression tested her. #3 plug electrode bent into the center of plug and little gouges like it got hit 1400 times by something before whatever it was went out the pipes. No sign of detonation, melting and all the other jugs, even 7&8 were fine.
Pulling the heads this weekend to get a looksee, but I expect some piston and head/valve damage.
Most of the valve is still there, as she is making 115psi and no rattling or smoke last night, so whatever it was, it was small enough to escape the engine, thank god. Once I ascertained that she would not be fired up again until fixed I didn't even bother to look to see if a spring popped and had her towed.
AAAPlus FTMFW

I did locate a forged engine (bigger too )with low miles which has been pushing an Fbod in the tens.....I sure hope I don't have to scrape up the cash right now for that upgrade.
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Last edited by Swampgoat; Mar 18, 2007 at 01:10 PM.
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