View Full Version : PIPER 285 adjustment
pascal-GT
09-02-2010, 12:10
I will assemble a piper285 camshaft on my engine, which be the best adjustment?
pipercam council an adjustment of 112°? is this the best?
I go up with: T28 turbo,EFI,RV9.1,full exhaust 2.5" and 4/1 exhaust manifold......
thank you advances for your councils;)
http://www.rtoc.org/boards/showthread.php?t=4744
Have a look through here, hope this helps :)
if its a full t28 then i'd be inclined to retard the cam slightly, to bring the torque peak on later. maybe go for 110deg.
Andrew Cooke
09-02-2010, 13:08
if it a newer piper 'ultimate' 285 it will be ground at 110deg - just to add more confusion :laugh:
pascal-GT
09-02-2010, 19:44
thank you for your assistance;)
I will make my adjustment has 110°.
for those which already used this model of aac, which are your opinion? HP? max rpm?
pascal-GT
07-01-2012, 13:07
I to ask the new one on the users of the piper 285,I to be currently have 110°
I to want to modify the adjustment have 114°, you what to say?
Is it timed up correctly in the first place, or has the cam just been fitted 'as is' & you're assuming it's timed @ 110° ?
pascal-GT
08-01-2012, 15:15
I board adjusted like that:
http://img214.imageshack.us/img214/823/img4686g.jpg (http://imageshack.us/photo/my-images/214/img4686g.jpg/)
http://img406.imageshack.us/img406/1940/img4684d.jpg (http://imageshack.us/photo/my-images/406/img4684d.jpg/)
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