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Re: cam sprocket Posted by 900 Aero [Email] ![]() ![]() In Reply to: cam sprocket, John'96Aero, Sat, 1 May 2010 07:05:08 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The play is like you say "is on the sprocket side" however brand new ones have the same exact play! Unless I'm trying to split hairs while degreeing in cams I always hold the sprockets clockwise on the cams while tightening the bolts as that's the way they want to torque during operation. This play doesn't effect timing enough to worry about! As far a material removed from the head & block when we go to '94 up heads on earlier blocks the .037" thinner head retards the cams 9 1/2 degrees at the crankshaft so I use .004" per 1 degree of retard. We just regrind '94 up cams (and use early sprockets) when we do the late head on an early block upgrade which corrects the problem! I don't have any Trionic Saab's but I would guess that their ECU would correct for a too advanced cam situation if it caused detonation? Dave
posted by 63.194.9...
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