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Discussing GT40 Heads in the 5.0 Mustangs Forum. I was gonna start looking into new heads for my '89 GT and I started ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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March 10th, 2007, 12:24 PM
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#1 |
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Regular
1989 Mustang GT
14.70@99mph
Join Date: Feb 2007
Location: Belvidere/Champaign ,IL
Posts: 341
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GT40 Heads
I was gonna start looking into new heads for my '89 GT and I started looking into the gt40s. I noticed that there is a gt40X gt40Y and gt40P. I was wondering what the major difference in all of them is and which would be the best? Also, What could I get these heads off of? I heard they were on some explorers but I'm not sure what the different styles of heads were off of. Is it recomend to put a new cam if I replaced the heads? Which cam from ford racing would work the best with each head?
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March 10th, 2007, 12:38 PM
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#2 |
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MM Fanatic
1990 LX hatch
Join Date: Aug 2006
Location: Hobart Indiana
Posts: 3,101
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X and Ys are aluninum
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March 10th, 2007, 03:05 PM
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#3 |
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Hardcore Enthusiast
Join Date: Feb 2007
Location: New jersey
Posts: 1,559
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when you buy gt40crate engines from ford they come with either a b or an e cam . you would be better off with the e cam or you could get one from anderson ford motorsport which you are probably better off doing
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September 29th, 2008, 10:56 PM
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#4 |
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Regular
1989 Mustang GT
14.70@99mph
Join Date: Feb 2007
Location: Belvidere/Champaign ,IL
Posts: 341
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are the gt40x worth the extra money? does anyone have experience with them? any problems or things i should know about the x heads? is there problems with aluminum heads on an iron block?
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September 29th, 2008, 11:01 PM
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#5 | ||
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Enthusiast
1989 Mustang Gt
Run me and find out!!!
Join Date: Jun 2008
Location: Lake City, FL
Posts: 520
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I ad a set of the gt40x heads... they are a decent uprgrade from stock, but if you plan to make good NA numbers have them ported or just put that money into some TW heads.
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September 29th, 2008, 11:04 PM
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#6 |
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Banned
Join Date: Jun 2006
Location: Bowling Green, KY
Posts: 3,833
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if you are going to spend money on the aluminum gt40s, just save a little bit more and buy some trick flows or something similar...
The iron gt40 or gt40p heads are decent for a budget. |
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September 29th, 2008, 11:44 PM
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#7 |
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Regular
1990 Mustang GT
13.64 @ 101 MPH
Join Date: Jul 2008
Location: Memphis, TN
Posts: 324
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if you get em get some from the pull a part. if you get aluminums get some better heads
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