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View Full Version : Piper 285 cam clearance



c5 swh
02-09-2009, 19:17
I know this as been asked a number of times but what should the cam clearance on a piper 285 be? I did mine in.20, ex.25.

It still sounds a little tappety so going to check them, after doing alot of searching on here ive read alot of members do them in.15, ex.20. Is this correct?

Whats peoples views?

bye_all_c_ya
02-09-2009, 20:10
just done mine

8 and 10 but the way ianmm told me to do the tappets and not how its writen in the hanes manual and its loads better ill try and find the paper out i wrote on or ask ian

spyder
03-09-2009, 10:35
New poster! (less than 10 posts)

according to the paperwork that comes with the cam is = inlet 0.25mm, outlet 0.30mm. Assuming you're using uprated springs!