GT 40 X Heads. Need Help Deciding On These Heads, Or AFR`s

BillR1970 · September 27th, 2006, 09:41 PM

My short block is ready and i want to buy some really good performance heads for raceing 302, H roller cam B303, flat tops

I Havent decided on the heads. I would love peoples advice on cylynder heads. My one freind says GT40X, and the other one says AFR or Edelbrock. This motor will be put in my 67 Mustang coupe, C4 trans, 3000 Stall. I would love to get in the 11`s.

Thank you, Billy

Justincredible · September 28th, 2006, 01:06 AM

TFS Twisted Wedge...hands down the best sbf head in its class.

rem1284 · October 11th, 2006, 12:42 PM

are they worht the money??

Darrell · October 11th, 2006, 12:58 PM

Twisted wedge heads or CNC ported twisted wedge heads. Throw the B303 cam in the garbage and get yourself a Trick Flow 51402001

95opal · November 3rd, 2006, 04:54 PM

Whats the cars intended use street strip, track only, dd? Do you already have the cam? Compression your looking for? HP#s, rpm range ?These are all going to play a part in what heads and cam to run. Dont waste your money just bolting on parts research on a proven combo that meets your goals. Then put together a parts list. Remember just bolting a bunch of parts on doesnt mean youll make good hp, its a proper combination of parts that get you what you want. As for your original ? all the heads you mentioned will make good power w/ the right combination of supporting parts. I myself like the TFS and AFRs, Im in the prosses of putting my new short block together and decided to go AFR with the help of a custom cam from ED C. at FTI. Good luck on your decision

88mstang · November 13th, 2006, 01:50 PM

i liked the afr 185s on my 302[/b]

89lxfox50 · February 27th, 2008, 01:31 PM

Originally Posted by 88mstang

i liked the afr 185s on my 302[/b]

did u do anything to the pistons when puting them on???

cool89gt · October 17th, 2008, 11:53 PM

I'm no pro - I'm going through the same process as well. For Twisted Wedge, I understand that you don't really need to do anything...but with AFR's you do need to have the valve reliefs notched out a little. I guess it also depends on what you have for pistons.

September 27th, 2006, 09:41 PM	#1
BillR1970 Look Ma! My First Post! Join Date: Sep 2006 Posts: 1	GT 40 X Heads. Need Help Deciding On These Heads, Or AFR`s My short block is ready and i want to buy some really good performance heads for raceing 302, H roller cam B303, flat tops I Havent decided on the heads. I would love peoples advice on cylynder heads. My one freind says GT40X, and the other one says AFR or Edelbrock. This motor will be put in my 67 Mustang coupe, C4 trans, 3000 Stall. I would love to get in the 11`s. Thank you, Billy

September 28th, 2006, 01:06 AM	#2
Justincredible Enthusiast Join Date: Sep 2006 Location: Ky Posts: 517	TFS Twisted Wedge...hands down the best sbf head in its class. __________________ 9.91@ 134mph 1/4 - 6.17@ 109mph 1/8th - 1.33 60' - Stock ECU & Stock Suspension......and getting faster . BIVENS RACE CARS FTMFW!!!

October 11th, 2006, 12:58 PM	#4
Darrell Feb 08 ROTM 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: Fond du Lac, Wisconsin Posts: 7,318	Twisted wedge heads or CNC ported twisted wedge heads. Throw the B303 cam in the garbage and get yourself a Trick Flow 51402001 __________________ Racing in memory of Dave Bandt 11/19/69 - 3/23/08 "he's traded his wheels for wings" Professor of Natural Aspiration Thanks to: Artie at Trick Flow, Dave at Team Z Motorsports, Brian at Total Engine Airflow and Harold at Furo Racecraft

November 3rd, 2006, 04:54 PM	#5
95opal Hardcore Enthusiast 95 opalfrost gt Join Date: Nov 2006 Location: Connecticut Posts: 1,076	Whats the cars intended use street strip, track only, dd? Do you already have the cam? Compression your looking for? HP#s, rpm range ?These are all going to play a part in what heads and cam to run. Dont waste your money just bolting on parts research on a proven combo that meets your goals. Then put together a parts list. Remember just bolting a bunch of parts on doesnt mean youll make good hp, its a proper combination of parts that get you what you want. As for your original ? all the heads you mentioned will make good power w/ the right combination of supporting parts. I myself like the TFS and AFRs, Im in the prosses of putting my new short block together and decided to go AFR with the help of a custom cam from ED C. at FTI. Good luck on your decision __________________

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October 11th, 2006, 12:42 PM	#3
rem1284 Newbie Join Date: Oct 2006 Posts: 6	are they worht the money??

November 13th, 2006, 01:50 PM	#6
88mstang Regular Join Date: Nov 2006 Location: Stafford,VA Posts: 88	i liked the afr 185s on my 302[/b]

October 17th, 2008, 11:53 PM	#8
cool89gt Newbie Join Date: Jul 2008 Posts: 5	I'm no pro - I'm going through the same process as well. For Twisted Wedge, I understand that you don't really need to do anything...but with AFR's you do need to have the valve reliefs notched out a little. I guess it also depends on what you have for pistons.

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