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84LX89GT · 10-03-2002, 11:52 PM

Alright i've got a question for everyone. It's likely i'm going to be buying a set of GT-40 heads off of a guy for an awesome price soon, and while i'm in the engine, i'm going to be gasket matching the heads to the intake and headers and replacing the lifters.
Just to give everyone an idea, i already have BBK fenderwell induction, 73mm MAF meter, 70mm Throttle body, trick flow street intake, 1.7 roller rockers, 1 5/8" headers w/2 1/2" exhaust. I think some GT-40 heads would match well with this combo in my opinion.

What i'm wondering is, how much hp i could get with the new heads if i put in a new camshaft at the same time. Also, what would you guys recommend, i may end up getting a custom grind but i can also have this cam place copy most grinds and give me an awesome price as well. What cams, if any would you recommend? Any ballpark HP increase numbers?

Your responses are always appreciated,
Thanks,
Rick

10-03-2002, 11:52 PM	#1
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	camshaft gains w/new stuff Alright i've got a question for everyone. It's likely i'm going to be buying a set of GT-40 heads off of a guy for an awesome price soon, and while i'm in the engine, i'm going to be gasket matching the heads to the intake and headers and replacing the lifters. Just to give everyone an idea, i already have BBK fenderwell induction, 73mm MAF meter, 70mm Throttle body, trick flow street intake, 1.7 roller rockers, 1 5/8" headers w/2 1/2" exhaust. I think some GT-40 heads would match well with this combo in my opinion. What i'm wondering is, how much hp i could get with the new heads if i put in a new camshaft at the same time. Also, what would you guys recommend, i may end up getting a custom grind but i can also have this cam place copy most grinds and give me an awesome price as well. What cams, if any would you recommend? Any ballpark HP increase numbers? Your responses are always appreciated, Thanks, 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)