Skip to main content ↑ ↓
Topic: cam difference (Read 668 times) previous topic - next topic

cam difference

Any difference is 86HO and 89HO cam?  Swapping into the SO engine.

My 89 cam has been setting at a angle in a box of parts for years and getting "maybe" beat up a little.  Any concern for bending or such?


My buddy will give me a 86 stang cam for free, which should I use?
Mike

cam difference

Reply #1 –
1986-early 1988 cams have 10* less advertised duration on the intake lobe and as such have a slightly more agressive grind.  The exhaust lobe is the same as the MAF cams(late '88-'95).  Power and torque should be marginally better with the early cam...so marginal that you won't notice it.

Good luck,
Don
Project 3G: Grandpa Grocery Getter-'85 Crown Vic LTD 2-door, 351W with heavily ported/polished GT40 heads, heavily ported/polished Typhoon Power Plus upper & lower intake, Comp Cams 265DEH retarded 1*, FAST EZ-EFI, HD T5, 8.8" 3.73 trac lock with extra clutches, 3G alt. swap, '99 CVPI front brakes, '09 CVPI rear disc brakes, '00 CVPI booster&m/c + wilwood adj prop valve.

Parted & Gone-'88 T-bird Sport, 351W swap, ported GT40 heads