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84LX89GT · 08-20-2002, 04:55 PM

If you mill your head be sure to get an adjustable cam gear. Milling the head for compression is a good idea but when it sits lower the tensioner takes up the slack caused by less distance and i believe it would cause the timing to become slightly retarded. If you do mill it make sure to talk to a company like racer walsh or esslinger engineering (or anyone who knows about OHC engines) to see what you'd do to correct cam timing.
Good luck,
Rick

08-20-2002, 04:55 PM	#2
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	If you mill your head be sure to get an adjustable cam gear. Milling the head for compression is a good idea but when it sits lower the tensioner takes up the slack caused by less distance and i believe it would cause the timing to become slightly retarded. If you do mill it make sure to talk to a company like racer walsh or esslinger engineering (or anyone who knows about OHC engines) to see what you'd do to correct cam timing. Good luck, Rick __________________ 2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)