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Author
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Topic: Which heads are better
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Billy Bob
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Member # 9412
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posted
 
 
Some people are telling me to go with GT40 heads and others are saying aluminum. I have a typhoon intake with 75mm throttle body. Going to get an E or F cam. So was wondering what will go best?
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JACK SWAG
Posts: 293 | From: Your chicks house | Registered: Aug 2009
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Saleen 00-768
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Member # 9379
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posted
trickflow 170 or afr 165. both are far better than gt40 heads. both are also smog legal. also benefit from removing weight off the front of the car.
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'00 Saleen SC #768
'90 GT
'90 California Edition (sold)
'87 Saleen #264 (sold)
Posts: 1664 | From: NOR✯CAL | Registered: Aug 2009
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Billy Bob
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Member # 9412
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posted
quote:
Originally posted by Saleen 00-0768:
trickflow 170 or afr 165. both are far better than gt40 heads. both are also smog legal. also benefit from removing weight off the front of the car.
Are they just better because of it being lighter or performance wise?
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JACK SWAG
Posts: 293 | From: Your chicks house | Registered: Aug 2009
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Saleen 00-768
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Member # 9379
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posted
quote:
Originally posted by Billy Bob:
quote:
Originally posted by Saleen 00-0768:
trickflow 170 or afr 165. both are far better than gt40 heads. both are also smog legal. also benefit from removing weight off the front of the car.
Are they just better because of it being lighter or performance wise?
they flow much better than gt40 heads, even if you had the gt40s ported.
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'00 Saleen SC #768
'90 GT
'90 California Edition (sold)
'87 Saleen #264 (sold)
Posts: 1664 | From: NOR✯CAL | Registered: Aug 2009
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NEIGHT
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Member # 8741
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posted
If you're going alphabet cams I personally prefer B cam, the E cam has low vacuum and I never seen a car with a F cam so I don't know how good those are. And I also like AFR over trickflow but they're both good set of heads, the amount of money it'll take to make the GT40's flow as good as untouched aluminum heads you'd be able to pay for the aluminum heads.
[ 2014-02-21, 01:46 PM: Message edited by: NEIGHT ]
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18532 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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5.0 LsX
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Member # 10017
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posted
aluminum head hands down, not even a comparison to gt40's. ive always like trickflow myself, but cant go wrong with afr, probably wont notice a diff. ive run the f cam and had great results, but it seems people like the trickflow stage 1, if not custom grind cam
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91' Notch
Posts: 1260 | Registered: May 2010
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Billy Bob
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Member # 9412
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posted
quote:
Originally posted by NEIGHT:
If you're going alphabet cams I personally prefer B cam, the E cam has low vacuum and I never seen a car with a F cam so I don't know how good those are. And I also like AFR over trickflow but they're both good set of heads, the amount of money it'll take to make the GT40's flow as good as untouched aluminum heads you'd be able to pay for the aluminum heads.
What do I do to prevent over heating. So the heads don't mess up that was the only thing I was worried about with aluminum heads
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JACK SWAG
Posts: 293 | From: Your chicks house | Registered: Aug 2009
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5.0 LsX
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Member # 10017
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posted
quote:
Originally posted by Billy Bob:
quote:
Originally posted by NEIGHT:
If you're going alphabet cams I personally prefer B cam, the E cam has low vacuum and I never seen a car with a F cam so I don't know how good those are. And I also like AFR over trickflow but they're both good set of heads, the amount of money it'll take to make the GT40's flow as good as untouched aluminum heads you'd be able to pay for the aluminum heads.
What do I do to prevent over heating. So the heads don't mess up that was the only thing I was worried about with aluminum heads
nothing special, cooling system and fan just have to be working properly
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91' Notch
Posts: 1260 | Registered: May 2010
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SIC9250
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Member # 8216
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posted
Who says a gt40 head is better than an aluminum head ![[Confused]](confused.gif) ![[BS flag]](graemlins/bs_flag.gif)
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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REDLIGHTING
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Member # 11296
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posted
I had TFS aluminum twisted wedge, e303 cobra intake
gears ect. Street radials and went 12.67 cconsistent.
Also daily driver and passed smog every two years at test only center. FYI
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1992 coupe YSI, DART,
225 TFS HIGH PORTS
04 mystichrome convertible
2006 GMC sierra slt crew
Posts: 441 | From: sac | Registered: Sep 2011
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redvenom
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Member # 12651
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posted
Don't forget the 1.6 rockers or 1.7
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1990 Gt
Some what stock
1993 GT vert-(stolen)
Posts: 623 | From: cali | Registered: Dec 2012
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Billy Bob
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Member # 9412
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posted
Ok thanks I apperitcate it
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JACK SWAG
Posts: 293 | From: Your chicks house | Registered: Aug 2009
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JZTRK
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Member # 7641
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posted
afr 165 on a 302 also look at othe cams dont limit your self to an alphabet cam thay are old technology
here is my build that has no problem passing test only smog
http://www.youtube.com/watch?v=wAcrAfQHwug
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ANY THING PAST FIRST AND IM BREAKING THE LAW !!!
1990 lx Hatch (sold) 2014 GT Track Pack (sold) 2016 GT350 (sold)
1 of 16 2019 kona blue GT350R
Posts: 771 | From: My 44 Magnum says HI | Registered: May 2007
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Billy Bob
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Member # 9412
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posted
quote:
Originally posted by JZTRK:
afr 165 on a 302 also look at othe cams dont limit your self to an alphabet cam thay are old technology
here is my build that has no problem passing test only smog
http://www.youtube.com/watch?v=wAcrAfQHwug
That's nice
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JACK SWAG
Posts: 293 | From: Your chicks house | Registered: Aug 2009
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50Reasons
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Member # 6452
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posted
And why are you going 75 mm tb? I see this a lot on people's cars on motors that are mild hci set ups, when there are no need for this big of a tb . So You have no need for this big of a tb,this could slow you down unless your slapping a power added .fyi gt40 heAds suck IMHO don't believe the street swanger hype who think these heads are worth your time and money, just pony up and buy some real heads.. PS cast iron heads can be good to like roush 200 or Windsor heads but stay away from garbage gt40 heads even ported ones
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50Reasons Car Club President
Daniel/50Reasons
http://youtu.be/n_UkDg_F4MQ
https://youtu.be/066xRvxKy-g
Posts: 9483 | From: Sacramento Ca | Registered: Jan 2006
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Billy Bob
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Member # 9412
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posted
quote:
Originally posted by 50Reasons:
And why are you going 75 mm tb? I see this a lot on people's cars on motors that are mild hci set ups, when there are no need for this big of a tb . So You have no need for this big of a tb,this could slow you down unless your slapping a power added .fyi gt40 heAds suck IMHO don't believe the street swanger hype who think these heads are worth your time and money, just pony up and buy some real heads.. PS cast iron heads can be good to like roush 200 or Windsor heads but stay away from garbage gt40 heads even ported ones
I got the 75mm in a package deal so that's why I'm using that
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JACK SWAG
Posts: 293 | From: Your chicks house | Registered: Aug 2009
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Camara90
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Member # 134
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posted
You will be fine with a 75mm. This is not a carb setup and to big will not be an issue. 75mm is just shy of 3 inches, most cold air setups are 3 or bigger. Try to get a Mass air that will not bottle neck down your cold air as well.
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92GT,stock short block,9:1 TFS 170's,perf rpm,custom cam,1 5/8 shorties,C4 trans.
std. 356hp, 350tq
11.85@111.9mph on motor.
Posts: 2351 | From: 707 | Registered: Jan 2001
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Billy Bob
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Member # 9412
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posted
quote:
Originally posted by Camara90:
You will be fine with a 75mm. This is not a carb setup and to big will not be an issue. 75mm is just shy of 3 inches, most cold air setups are 3 or bigger. Try to get a Mass air that will not bottle neck down your cold air as well.
What do u mean by bottle neck down my cold air?
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JACK SWAG
Posts: 293 | From: Your chicks house | Registered: Aug 2009
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50Reasons
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Member # 6452
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posted
quote:
Originally posted by Billy Bob:
quote:
Originally posted by Camara90:
You will be fine with a 75mm. This is not a carb setup and to big will not be an issue. 75mm is just shy of 3 inches, most cold air setups are 3 or bigger. Try to get a Mass air that will not bottle neck down your cold air as well.
What do u mean by bottle neck down my cold air?
Meaning better have bigger then 75 mm maf
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50Reasons Car Club President
Daniel/50Reasons
http://youtu.be/n_UkDg_F4MQ
https://youtu.be/066xRvxKy-g
Posts: 9483 | From: Sacramento Ca | Registered: Jan 2006
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NEIGHT
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Member # 8741
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posted
quote:
Originally posted by Billy Bob:
quote:
Originally posted by Camara90:
You will be fine with a 75mm. This is not a carb setup and to big will not be an issue. 75mm is just shy of 3 inches, most cold air setups are 3 or bigger. Try to get a Mass air that will not bottle neck down your cold air as well.
What do u mean by bottle neck down my cold air?
Picture the top part of a 2 liter soda how it goes from being big to the small cap, that's his reference, nothing special. ![[patriot]](graemlins/patriot.gif)
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18532 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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