if you use the 70 cc heads and you can install the cam strait up vs 4 degrees advanced at the dot-to-dot install location that moves the close point to 55 degrees ABDC vs 51 in the calcs, or even retard it 4 degrees that moves it to 59 ABDC
( for each 4 degrees you retard the cam timing index ,in relation to crank rotation, the whole power curve will move about 200 rpm higher)
http://garage.grumpysperformance.co...ectly-and-get-it-to-last-cam-install-info.90/
http://garage.grumpysperformance.com/index.php?threads/checking-piston-to-valve-clearances.399/
http://garage.grumpysperformance.co...ng-cam-and-shifting-the-lca.10553/#post-44949
http://garage.grumpysperformance.com/index.php?threads/cam-degreeing.9010/#post-32126
http://garage.grumpysperformance.com/index.php?threads/how-to-pick-timing-gear-set.4548/#post-12699
( for each 4 degrees you retard the cam timing index ,in relation to crank rotation, the whole power curve will move about 200 rpm higher)
http://garage.grumpysperformance.co...ectly-and-get-it-to-last-cam-install-info.90/
http://garage.grumpysperformance.com/index.php?threads/checking-piston-to-valve-clearances.399/
http://garage.grumpysperformance.co...ng-cam-and-shifting-the-lca.10553/#post-44949
http://garage.grumpysperformance.com/index.php?threads/cam-degreeing.9010/#post-32126
http://garage.grumpysperformance.com/index.php?threads/how-to-pick-timing-gear-set.4548/#post-12699
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