View Full Version : 1.72 Roller Rockers ?
83GTMUSTANG
05-13-2005, 10:16 PM
How Much Lift And Duration Will I Get With 1.72 Roller Rockers And A E 303 Cam (.498 In. Of Lift An 220 Duration With 1.6 Rockers)..............thanks
89fast5oh
05-15-2005, 01:18 PM
You will get .535" of lift with 1.72 rocker arms. I'm not sure if it really changes the duration at all though, maybe a tiny bit.
83GTMUSTANG
05-15-2005, 01:35 PM
Thanks.......... WILL I HAVE ANY PISTON TO VALVE PROBLEMS WITH STOCK 91' PISTONS
89fast5oh
05-15-2005, 05:27 PM
I'm not sure, what kind of heads are you running? More than likely it might hit. The only way to be sure is to check for piston to valve clearence.
83GTMUSTANG
05-15-2005, 05:29 PM
Im Running Stock Ported Heads With Stock Valves.....