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So what will I gain

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bbf-falcon
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Post  frank13 November 1st 2010, 9:08 pm

Ok so my current build is as follows:

466 with PI heads with larger valves
stealth intake
10.5:1 compression
hydro flat cam 600 lift


So i am thinking of changing to a scj or tfs or edel head.....I almost have all the cash for new heads....but what i want to know is what kinds of power gains will i see with each of those heads...is it worth it if dont change cams to a roller cam...or a solid flat cam....is it worth dropping 2k for this increase...I want a nice bang for the buck......is it worth changing intakes to a victor or stealth domi specific intake..(i have a domi sitting in the garage ready to bolt onto the steatlh 4150 intake with an adapter plate...

sorry for the rambling questions, but i dont wanna drop 2 to 2500 bucks on a small improvement ....

car is a strip/limited street time 2002 mustang gutted stock suspension drag radial car .....oh i wanna do a bolt on deal, no machine work type deal, heads will be out of the box with no port work right now
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Post  richter69 November 1st 2010, 9:13 pm

The head deal is an investment................you might shout at the Coug, he has a set of Charlie Evans ported TFS streets and a matched victor intake I think...............as far as improvemnet its hard to say.....it wont slow down thats for sure and will give you room to grow....plus lose 80#s.
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Post  bbf-falcon November 1st 2010, 10:45 pm

IMO.the Roller will be a big improvement. I will NEVER build a engine over 600hp again w/anything but a roller setup. But thats just me,everyone might not feel that way.

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Post  frank13 November 1st 2010, 10:50 pm

so what do think is the best bang for buck....cam or heads???

i dont wanna just throw money at it. i want to make a nice informed purchase...I have a realistic budget to improve the motor of about 2k
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Post  bbf-falcon November 1st 2010, 11:56 pm

frank13 wrote:so what do think is the best bang for buck....cam or heads???

i dont wanna just throw money at it. i want to make a nice informed purchase...I have a realistic budget to improve the motor of about 2k
My pick would be cam if your PI heads are up to snuff.

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Post  frank13 November 2nd 2010, 5:02 pm

i guess i could do a solid roller cam and lifters and a set of procomp heads?????
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Post  dfree383 November 2nd 2010, 5:05 pm

Do the heads, It will give you more bang for the $$$ than a roller cam, Ford Racing SCJs are pretty cheap right now.

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Post  rmcomprandy November 2nd 2010, 10:27 pm

Your heads to FRPP Super Cobra Jet heads with back-cut intake valves and the correct intake notches in YOUR pistons is probably about 70 horsepower with NO other changes; (well, the additional cost of pushrods too, because they are a different length).

Only you can decide if it would be worth it or not...!

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Post  frank13 November 2nd 2010, 11:19 pm

rmcomprandy wrote:Your heads to FRPP Super Cobra Jet heads with back-cut intake valves and the correct intake notches in YOUR pistons is probably about 70 horsepower with NO other changes; (well, the additional cost of pushrods too, because they are a different length).

Only you can decide if it would be worth it or not...!

So i notice on the scj's that they are 72cc combustion chambers.....they pi heads i have are 88....and I have about 10.5 to 1 compression, the scj will give me 12.17 ish compression....will that be ok with pump gas?? Are teh scj's the best way to go? or can i get a thicker gasket (using .042 now) to drive it down a little
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Post  res0rli9 November 3rd 2010, 12:09 am

You can get up to .120 gasket's from Lem. Smile

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Post  The Pope November 3rd 2010, 7:52 am

res0rli9 wrote:You can get up to .120 gasket's from Lem. Smile

But that will kill your quench area which will in turn cause problems with pump gas.
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Post  rmcomprandy November 3rd 2010, 10:29 am

frank13 wrote:
rmcomprandy wrote:Your heads to FRPP Super Cobra Jet heads with back-cut intake valves and the correct intake notches in YOUR pistons is probably about 70 horsepower with NO other changes; (well, the additional cost of pushrods too, because they are a different length).

Only you can decide if it would be worth it or not...!

So i notice on the scj's that they are 72cc combustion chambers.....they pi heads i have are 88....and I have about 10.5 to 1 compression, the scj will give me 12.17 ish compression....will that be ok with pump gas?? Are teh scj's the best way to go? or can i get a thicker gasket (using .042 now) to drive it down a little

Your question never said ANYTHING about a requirement to use "pump swill" as you claimed it to be a "mostly STRIP" car..
In that case you have ONLY the Edelbrock 95cc combustion chamber heads to fit your needs.

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Post  dfree383 November 3rd 2010, 10:49 am

or Blue Thunder has a big chamber head.

IMO if it primarily a strip car.... Get the compression up and let it eat race gas.
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