shee4speed Posted April 19, 2009 Report Posted April 19, 2009 How often are guys rebuilding there topends? I have 2 dune seaons and my compression dropped a little.I assume its all good and normal. Quote
brian Posted April 19, 2009 Report Posted April 19, 2009 How often you rebuild is up to you ! I usually change the setup before I really need to rebuild :shrug: so I have no real info on how long it will last. I can tell you that I ran three seasons on my first setup and It could have gone longer if I didn't want to build bigger LOL ! Quote
Titan up Posted April 22, 2009 Report Posted April 22, 2009 I went from about 165 to about 150psi on mine after 2 seasons. It still screams up top, but won't launch in 2nd or pull 6th on the flats. It's getting freshened up over the summer. Quote
shee4speed Posted April 22, 2009 Author Report Posted April 22, 2009 I went from about 165 to about 150psi on mine after 2 seasons. It still screams up top, but won't launch in 2nd or pull 6th on the flats. It's getting freshened up over the summer. thanks man,I have mine torn open right now.Lost 15 psi in each. Quote
zach45 Posted April 22, 2009 Report Posted April 22, 2009 got 3 hard years on mine still over 150psi 20cc domes Quote
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