GT-40P Heads

Haggis13 · September 29th, 2006, 03:12 PM

FFR - Factory Five Racing?

Always wanted to build me one of those if that's what it is. The guy up the street had a real doozy, but somehow lost it on the road and wrote the thing off. It was a beaut though and had something real nice under the hood.

Paulownian · September 29th, 2006, 03:14 PM

Yes, Factory Five Roadster is the one I am building. 2200 lbs at the MOST. So you see I don't need massive amounts of hp to make this thing go fast.

Haggis13 · September 29th, 2006, 03:15 PM

Here's a link with some wicked dyno numbers for 302's and 331's and 347's.

http://www.airflowresearch.com/ford_dyno.php

88BlueGT · September 29th, 2006, 03:15 PM

^^ Thats true...

I would still go with a 351W just because it seems that it should "belong" in there lol

Paulownian · September 29th, 2006, 03:28 PM

427 is the one that belongs in there!

91lxstang · September 29th, 2006, 04:02 PM

Originally Posted by 88BlueGT

^^ Exactally. People really think you need 400rwhp to run 11's. I have seen people run 12's with 230rwhp! Its all about the driver, how the suspension is setup and gears play a big role in it also.

remember quik?? he was runnin mid 12's with 225 rwhp and high 11's with a 75 shot!!!! and it was an aod car!

Paulownian · September 29th, 2006, 04:06 PM

My original plan was: 3link, 302, GT-40P Heads and intake. E cam, 9PSI boost. 325 rwhp and 350 rwtq. This is easy and cheap with what I have, already. Put this in a 2000 - 2200 lb car and watch your ass snap back in place at the end of the strip.

Paulownian · September 29th, 2006, 04:08 PM

Haggis13 - those dyno numbers are inspiring aren't they?

88BlueGT · September 29th, 2006, 04:09 PM

You would be pushing more than 325rwhp with 9psi with GT-40's.

91lxstang... yes I remember quik. What the hell happened to him anyway?

Haggis13 · September 30th, 2006, 12:58 PM

Those dyno numbers are awesome! I'm going to go with the AFR heads, and a GT40 intake out of an Explorer next summer.

Zak · October 14th, 2006, 09:17 AM

Just thought of posting some related articles:

Iron Head Horsepower

GT-40P for Performance or Pain in the Ass?

sn-95aac · October 14th, 2006, 02:30 PM

Originally Posted by Haggis13

I think I'd dump the money into a 351 crate motor, or a stroker, based off of a 351 block. The extra cubes would help with not yielding such an aggressively built motor with bad manners.

I AGREE! A NICE 392 CRATE!! OHH DAMM!!

September 29th, 2006, 03:12 PM	#21
Haggis13 Enthusiast 1993 Mustang GT Join Date: Sep 2006 Location: Ottawa, Ontario, Canada Posts: 593 iTrader: 0 reviews	FFR - Factory Five Racing? Always wanted to build me one of those if that's what it is. The guy up the street had a real doozy, but somehow lost it on the road and wrote the thing off. It was a beaut though and had something real nice under the hood. __________________ Bart 93 Black on Black GT Kenne Bell S/C GIVE 'ER!

September 29th, 2006, 03:15 PM	#23
Haggis13 Enthusiast 1993 Mustang GT Join Date: Sep 2006 Location: Ottawa, Ontario, Canada Posts: 593 iTrader: 0 reviews	Here's a link with some wicked dyno numbers for 302's and 331's and 347's. http://www.airflowresearch.com/ford_dyno.php __________________ Bart 93 Black on Black GT Kenne Bell S/C GIVE 'ER!

September 29th, 2006, 03:15 PM	#24
88BlueGT Regular Join Date: Sep 2006 Location: Hamilton, NJ Posts: 202 iTrader: 0 reviews	^^ Thats true... I would still go with a 351W just because it seems that it should "belong" in there lol __________________ 93 GT - Full Exhaust, 3.90's, Front Tubular Suspension, etc. 88 GT "Big Blue" - Body work & primer!

September 29th, 2006, 04:09 PM	#29
88BlueGT Regular Join Date: Sep 2006 Location: Hamilton, NJ Posts: 202 iTrader: 0 reviews	You would be pushing more than 325rwhp with 9psi with GT-40's. 91lxstang... yes I remember quik. What the hell happened to him anyway? __________________ 93 GT - Full Exhaust, 3.90's, Front Tubular Suspension, etc. 88 GT "Big Blue" - Body work & primer!

September 30th, 2006, 12:58 PM	#30
Haggis13 Enthusiast 1993 Mustang GT Join Date: Sep 2006 Location: Ottawa, Ontario, Canada Posts: 593 iTrader: 0 reviews	Those dyno numbers are awesome! I'm going to go with the AFR heads, and a GT40 intake out of an Explorer next summer. __________________ Bart 93 Black on Black GT Kenne Bell S/C GIVE 'ER!

September 29th, 2006, 03:14 PM	#22
Paulownian Newbie Join Date: Sep 2006 Posts: 39 iTrader: 0 reviews	Yes, Factory Five Roadster is the one I am building. 2200 lbs at the MOST. So you see I don't need massive amounts of hp to make this thing go fast.

September 29th, 2006, 03:28 PM	#25
Paulownian Newbie Join Date: Sep 2006 Posts: 39 iTrader: 0 reviews	427 is the one that belongs in there!

September 29th, 2006, 04:06 PM	#27
Paulownian Newbie Join Date: Sep 2006 Posts: 39 iTrader: 0 reviews	My original plan was: 3link, 302, GT-40P Heads and intake. E cam, 9PSI boost. 325 rwhp and 350 rwtq. This is easy and cheap with what I have, already. Put this in a 2000 - 2200 lb car and watch your ass snap back in place at the end of the strip.

September 29th, 2006, 04:08 PM	#28
Paulownian Newbie Join Date: Sep 2006 Posts: 39 iTrader: 0 reviews	Haggis13 - those dyno numbers are inspiring aren't they?

October 14th, 2006, 09:17 AM	#31
Zak Regular Join Date: May 2006 Posts: 254 iTrader: 0 reviews	Just thought of posting some related articles: Iron Head Horsepower GT-40P for Performance or Pain in the Ass?

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