What heads to use

dustang90 · 04-30-2003, 03:06 PM

Ok, are the Roush 200 or Roush 180 heads too big for this combo. I am using a stock 302, e-303 cam, Cobra upper and lower, 65mm TB, LT Header, off-road x-pipe, and 3:73 gears. Please tell me what you think. Those heads are really cheap compared to others and flow alot more, but do they flow too much and that would cause idle probs

MiracleMax · 05-04-2003, 09:33 PM

Well there is really no problem with a head flowing to much, but the real question is at what cost.

port volume is no real indicator of velocity.

Then again, you need to ask yourself how much HP your looking for?

After you arrive at this figure, purchase your cylinder heads with that in mind.

You want to go with the smallest port that flows the right amount of air for your application and in at the right lift points.

There are like a kajillion heads for the windsor engines out there, they are designed to operate in specific areas; street, street-strip, strip, ect. Then you've got power header apps along with n/a apps, ect.

04-30-2003, 03:06 PM	#1
dustang90 Registered Member Join Date: Feb 2003 Location: Blue Springs Mo Posts: 39	What heads to use Ok, are the Roush 200 or Roush 180 heads too big for this combo. I am using a stock 302, e-303 cam, Cobra upper and lower, 65mm TB, LT Header, off-road x-pipe, and 3:73 gears. Please tell me what you think. Those heads are really cheap compared to others and flow alot more, but do they flow too much and that would cause idle probs __________________ ~(Dustang90)~

05-04-2003, 09:33 PM	#2
MiracleMax Registered Member Join Date: Apr 1999 Location: Hayes, Va, USA Posts: 798	Well there is really no problem with a head flowing to much, but the real question is at what cost. port volume is no real indicator of velocity. Then again, you need to ask yourself how much HP your looking for? After you arrive at this figure, purchase your cylinder heads with that in mind. You want to go with the smallest port that flows the right amount of air for your application and in at the right lift points. There are like a kajillion heads for the windsor engines out there, they are designed to operate in specific areas; street, street-strip, strip, ect. Then you've got power header apps along with n/a apps, ect. __________________ 2002 5M GT (99% stock) 1991 5M LX (30% stock) patiently awaiting my satin silver 07 Mach 1, and don't forget the shaker

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