Help

worlz08 · February 6th, 2008, 09:03 PM

can anyone tell me what i need to do to run this set up??? stock gt40p heads' corba intake' F303 cam thinking bout 70mm tb. will this set up be any good and i also have sealed power hypereutectic pistons no AC OR SOMG pump any one know how much HP this set up will make.

terribleonexx88 · February 6th, 2008, 09:11 PM

what is your question

worlz08 · February 6th, 2008, 09:12 PM

will the f303 cam work with that set up gt40p heads?

notchabovechevy · February 6th, 2008, 09:14 PM

not really sure what you want to know first but 300 to 325 at best

notchabovechevy · February 6th, 2008, 09:16 PM

f cam has .512 in lift and it will work with those heads and should clear stock or aftermarket pistons with no problem

worlz08 · February 6th, 2008, 09:18 PM

and do i need to change the valve springs?? or add roller rockers? sorry im new to this..lol

worlz08 · February 6th, 2008, 09:23 PM

also what headers can i use with the gt40p's ??? someone told me they are hard to find some that fit.

notchabovechevy · February 6th, 2008, 09:27 PM

most long tube headers will work fine and buy a cam kit to include lifters and valve springs matched to that cam

worlz08 · February 6th, 2008, 09:29 PM

Thanks for the help

notchabovechevy · February 6th, 2008, 09:31 PM

StangPro.com - Ford's GT-40P Cylinder Head
this is info on the gt-40 p's it should help and........ no problem

dark87stang · February 18th, 2011, 08:50 PM

I really need help i have a 302 explorer engine with da gt40p heads i want to know can i put a f303 cam in that engine and wht springs and rockers do i must have to do that!! thanx

Black89gt · February 18th, 2011, 09:18 PM

W/ the gt40p heads just use stock springs & rockers unless you plan on hittin it w/ a SC or juice... & they sell headers for foxbodys that are just for the gt40 & gt40p heads

ryanw · February 18th, 2011, 09:25 PM

always use new springs with a cam swap. Springs should be match to the cam. If you going to use a cobra intake you should port it to match the 70mm Tb you want to use. Cobras only have 65mm opening. Porting it is not hard it just takes a few dollars and a few hours. You should try and stay away from all the ford motor sports 303 cams. that topic has beed discussed over and over over and over over and over over and over over and over again. Bad choice in cam, pic another one

69fastback · February 18th, 2011, 09:33 PM

How about buying a good cam, instead of a paperweight?

February 6th, 2008, 09:03 PM	#1
worlz08 Regular 1988 gt 5.0 1988gt 5.0 gt40p heads,cobra intake, f303 cam Join Date: Feb 2008 Location: ohio Posts: 97 iTrader: 0 reviews	Help can anyone tell me what i need to do to run this set up??? stock gt40p heads' corba intake' F303 cam thinking bout 70mm tb. will this set up be any good and i also have sealed power hypereutectic pistons no AC OR SOMG pump any one know how much HP this set up will make.

February 6th, 2008, 09:11 PM	#2
terribleonexx88 Enthusiast Join Date: Oct 2006 Location: new england Posts: 822 iTrader: 0 reviews	what is your question __________________ 85 svo. work in progress

February 18th, 2011, 08:50 PM	#11
dark87stang Newbie 1987,mustang gt Join Date: Jul 2010 Location: mcallen t.x. Posts: 3 iTrader: 0 reviews	help I really need help i have a 302 explorer engine with da gt40p heads i want to know can i put a f303 cam in that engine and wht springs and rockers do i must have to do that!! thanx

February 18th, 2011, 09:25 PM	#13
ryanw I Post Entirely Way Too Much 1991 Ford Mustang GT Join Date: May 2007 Location: San Diego, California Posts: 6,063 iTrader: 0 reviews	always use new springs with a cam swap. Springs should be match to the cam. If you going to use a cobra intake you should port it to match the 70mm Tb you want to use. Cobras only have 65mm opening. Porting it is not hard it just takes a few dollars and a few hours. You should try and stay away from all the ford motor sports 303 cams. that topic has beed discussed over and over over and over over and over over and over over and over again. Bad choice in cam, pic another one __________________ DART 331ci stroker, AFR 185 heads, Trick Flow R intake, Accufab 70mm tb, 75mm pro m Maf, 30lb injectors, jba headers, 2 1/2" x pipe flowmaster super 10 mufflers, 255 fuel pump, 3:27 gears

February 18th, 2011, 09:33 PM	#14
69fastback Premium Member 1969 Mustang Mach 1 6.824@101.61 Join Date: Aug 2006 Location: Oklahoma jackass, get to driving Posts: 5,565 iTrader: 0 reviews	How about buying a good cam, instead of a paperweight? __________________ ./___ _ ____ ___ \. ( ]]] _ _ O _ _ [[[ ) \_ o _ _____ _ o _/ \|___\| ......... \|___\| http://www.youtube.com/watch?v=HyYU3...e_gdata_player

February 6th, 2008, 09:12 PM	#3
worlz08 Regular 1988 gt 5.0 1988gt 5.0 gt40p heads,cobra intake, f303 cam Join Date: Feb 2008 Location: ohio Posts: 97 iTrader: 0 reviews	will the f303 cam work with that set up gt40p heads?

February 6th, 2008, 09:14 PM	#4
notchabovechevy Regular Join Date: Nov 2007 Location: South Carolina Posts: 417 iTrader: 0 reviews	not really sure what you want to know first but 300 to 325 at best

February 6th, 2008, 09:16 PM	#5
notchabovechevy Regular Join Date: Nov 2007 Location: South Carolina Posts: 417 iTrader: 0 reviews	f cam has .512 in lift and it will work with those heads and should clear stock or aftermarket pistons with no problem

February 6th, 2008, 09:18 PM	#6
worlz08 Regular 1988 gt 5.0 1988gt 5.0 gt40p heads,cobra intake, f303 cam Join Date: Feb 2008 Location: ohio Posts: 97 iTrader: 0 reviews	and do i need to change the valve springs?? or add roller rockers? sorry im new to this..lol

February 6th, 2008, 09:23 PM	#7
worlz08 Regular 1988 gt 5.0 1988gt 5.0 gt40p heads,cobra intake, f303 cam Join Date: Feb 2008 Location: ohio Posts: 97 iTrader: 0 reviews	also what headers can i use with the gt40p's ??? someone told me they are hard to find some that fit.

February 6th, 2008, 09:27 PM	#8
notchabovechevy Regular Join Date: Nov 2007 Location: South Carolina Posts: 417 iTrader: 0 reviews	most long tube headers will work fine and buy a cam kit to include lifters and valve springs matched to that cam

February 6th, 2008, 09:29 PM	#9
worlz08 Regular 1988 gt 5.0 1988gt 5.0 gt40p heads,cobra intake, f303 cam Join Date: Feb 2008 Location: ohio Posts: 97 iTrader: 0 reviews	Thanks for the help

February 6th, 2008, 09:31 PM	#10
notchabovechevy Regular Join Date: Nov 2007 Location: South Carolina Posts: 417 iTrader: 0 reviews	StangPro.com - Ford's GT-40P Cylinder Head this is info on the gt-40 p's it should help and........ no problem

February 18th, 2011, 09:18 PM	#12
Black89gt Newbie 1989 Mustang GT Join Date: Feb 2011 Location: Caledonia Mississippi Posts: 12 iTrader: 0 reviews	W/ the gt40p heads just use stock springs & rockers unless you plan on hittin it w/ a SC or juice... & they sell headers for foxbodys that are just for the gt40 & gt40p heads

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