Gt40 p head price

Thlad · July 3rd, 2009, 12:54 AM

I found some assembled new with a warranty for 600 including shipping. Is that a good price?

ReverendDexter · July 3rd, 2009, 01:09 AM

iron or aluminum?

Bullitt95 · July 3rd, 2009, 09:32 AM

He's talking about GT40P's so they're iron. Shipping alone can cost close to $100 so the price is not bad but you can find them cheaper in ebay. You might also consider that a pair of TriState Flotek 5.0X aluminium heads (GT40X clones) cost less than $800 but will give you better performance and a 40lb weight saving.

WildWill · July 3rd, 2009, 06:21 PM

That's not a bad price for brand new heads with a warranty. I've never heard of those heads that Bullitt just mentioned, but that sounds like a good option in your case, so I would look into those...

Bullitt95 · July 3rd, 2009, 08:35 PM

Originally Posted by WildWill

I've never heard of those heads that Bullitt just mentioned

You have now.

Tri-State Cylinder Head - Chevy, Ford, Small Block, Performance, Aluminum Cylinder Heads

I'm even tempted to get them myself. The only reason I'm hesitating is the $500 shipping cost to the UAE.

1slo5.0 · July 3rd, 2009, 08:52 PM

$600 for iron factory heads is not a good deal. Even with a warranty. You are still going to have to spend money on springs and labor to install them for valve springs that are appropriate for the camshaft you are using. I'd look for a set of used aftermarket heads. If you are stuck on GT40P heads, there is a guy on Ebay that sells remanufactured Ps for $350. The link has been posted on this site a few times.

As far as those junk knock off heads go, I would run an iron GT40 head before I'd run those. The Floo-tek junk, just like Pro Comp are chinese crap. The quality control in chinese foundries is not controlled at all. Machining quality is horrible. Anyone that has ever picked up a set of chinese heads, intake, etc knows of the lack of quality in these products. To each their own. If you want to save a buck and buy junk, so be it. I guess the question is, if you buy poor performing junk and save some money.....are you really saving money?

Thlad · July 6th, 2009, 02:33 PM

thanks for the input guys

Traidmarx · July 6th, 2009, 03:10 PM

Originally Posted by 1slo5.0

$600 for iron factory heads is not a good deal. Even with a warranty. You are still going to have to spend money on springs and labor to install them for valve springs that are appropriate for the camshaft you are using. I'd look for a set of used aftermarket heads. If you are stuck on GT40P heads, there is a guy on Ebay that sells remanufactured Ps for $350. The link has been posted on this site a few times.

As far as those junk knock off heads go, I would run an iron GT40 head before I'd run those. The Floo-tek junk, just like Pro Comp are chinese crap. The quality control in chinese foundries is not controlled at all. Machining quality is horrible. Anyone that has ever picked up a set of chinese heads, intake, etc knows of the lack of quality in these products. To each their own. If you want to save a buck and buy junk, so be it. I guess the question is, if you buy poor performing junk and save some money.....are you really saving money?

yea i couldn't see paying 600 for some P heads...new or not. You can find used sets cleaned up for 400 or so, I've got a buddy right now selling a set of ported and polished GT40's with 5 angle valve job, brand new springs that can handle up to a .550 lift cam. and brand new scorpion 1.6 RR's. He's asking 500 OBO

Bullitt95 · July 7th, 2009, 10:11 AM

Originally Posted by 1slo5.0

As far as those junk knock off heads go, I would run an iron GT40 head before I'd run those. The Floo-tek junk, just like Pro Comp are chinese crap.

I know of at least two guys who are running those heads and they're very happy with them. Apart from some minor casting flash, the feedback has been very favorable. One of those guys reported a 0.4sec and 4mph gain to the 1/4 mile after bolting on those heads so I'd say they're worth looking into further.

Bullitt95 · July 7th, 2009, 01:55 PM

If you're still in doubt, read this:

Fox Mustang Cylinder Heads - Budget 5.0 H/C/I Swap - 5.0 Mustang & Super Fords Magazine

1slo5.0 · July 8th, 2009, 12:34 AM

Originally Posted by Bullitt95

If you're still in doubt, read this:

Fox Mustang Cylinder Heads - Budget 5.0 H/C/I Swap - 5.0 Mustang & Super Fords Magazine

Anything in a magazine makes raises my doubt level. Magazines #1 priority is to advertise.

4 tenths and 4mph is not impressive for a set of heads. P heads will give you more than that.

Bullitt95 · July 8th, 2009, 02:37 PM

Originally Posted by 1slo5.0

4 tenths and 4mph is not impressive for a set of heads. P heads will give you more than that.

You need 12% more HP to gain 4mph so we're talking 30-35rwhp depending on the existing set-up. GT40P heads WILL give you ~35rwhp over stock E7's but I suspect the Flootek 5.0X's will do even better than that. Their flow numbers are slightly higher than the GT40X's and they also have 58cc chambers which will raise the CR for even more power.

1slo5.0 · July 8th, 2009, 03:14 PM

Originally Posted by Bullitt95

You need 12% more HP to gain 4mph so we're talking 30-35rwhp depending on the existing set-up. GT40P heads WILL give you ~35rwhp over stock E7's but I suspect the Flootek 5.0X's will do even better than that. Their flow numbers are slightly higher than the GT40X's and they also have 58cc chambers which will raise the CR for even more power.

We don't race flow benches. The point I was making was your friends have gained 4 tenths and 4mph with the Flootek heads which is not very impressive. If that is all they gained, P heads are a better head by far.

Here is a video of a busted ass 88 LX 5 liter 5 speed car. The only modifications are P heads, Explorer intake, Flowmaster cat back and 3.55 gears. 13.9 with stock engine, 12.8s after the P heads and Explorer intake. Over a full second with a head and intake swap. Not bad for $500.

Winter beater Mustang LX Video by O'Darrell Rules! - MySpace Video

1slo5.0 · July 8th, 2009, 03:17 PM

Click the link the link for the video to work....

Bullitt95 · July 9th, 2009, 04:43 AM

Originally Posted by 1slo5.0

Here is a video of a busted ass 88 LX 5 liter 5 speed car. The only modifications are P heads, Explorer intake, Flowmaster cat back and 3.55 gears. 13.9 with stock engine, 12.8s after the P heads and Explorer intake. Over a full second with a head and intake swap. Not bad for $500.

That seems almost too good to be true. I'd believe it if it was a 1/2sec or slightly better but no way 1.1sec. You'd need 28% more power to drop the ET by that much and you won't get that from a head/intake swap. Were both runs done on the same track by the same driver? Maybe track prep was different, or different weather conditions. What about the trap speeds?

1slo5.0 · July 9th, 2009, 09:22 AM

Originally Posted by Bullitt95

That seems almost too good to be true. I'd believe it if it was a 1/2sec or slightly better but no way 1.1sec. You'd need 28% more power to drop the ET by that much and you won't get that from a head/intake swap. Were both runs done on the same track by the same driver? Maybe track prep was different, or different weather conditions. What about the trap speeds?

Yep, same track and same driver. Believe it. 26x10 slick. There are many on the Corral running faster with the same combination. Weather conditions will not make that big of a difference. Either way, it was consistently running 13.9 before the swap and consistently running 12.8 after the swap.

Bullitt95 · July 9th, 2009, 04:14 PM

Fair enough, I'll take your word for it.

WildWill · July 10th, 2009, 06:32 PM

That is seriously impressive. That says a lot for P heads. That makes me happier

sickfox · July 11th, 2009, 12:35 PM

i think im gonna go all gt40 cause its affordable for me and this is just a street hatch, im looking for a notch to build up in time.

July 3rd, 2009, 01:09 AM	#2
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,233 iTrader: 0 reviews	iron or aluminum? __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\ Buy my Bronco, special deal for MM folks

July 3rd, 2009, 09:32 AM	#3
Bullitt95 Hardcore Enthusiast 1995 Mustang GT auto 13.36 @ 105.0 Join Date: Apr 2007 Location: Al Ain, UAE Posts: 1,387 iTrader: 0 reviews	He's talking about GT40P's so they're iron. Shipping alone can cost close to $100 so the price is not bad but you can find them cheaper in ebay. You might also consider that a pair of TriState Flotek 5.0X aluminium heads (GT40X clones) cost less than $800 but will give you better performance and a 40lb weight saving. __________________ 244whp/284wtq Mod list in My Garage

July 3rd, 2009, 06:21 PM	#4
WildWill Hardcore Enthusiast 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 1,112 iTrader: 0 reviews	That's not a bad price for brand new heads with a warranty. I've never heard of those heads that Bullitt just mentioned, but that sounds like a good option in your case, so I would look into those... __________________ GT40p heads, 1.7 crane RR's, GT40 u/l, MAC LTs, MAC o/r h-pipe, Flowmaster 40s, 65mm t/b, '03 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM c/c plates, Eibach Sportlines, B&M shifter, 255lph f/p, RAM p/g clutch, Fidanza alum fly, rebuilt t-5

July 3rd, 2009, 08:52 PM	#6
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	$600 for iron factory heads is not a good deal. Even with a warranty. You are still going to have to spend money on springs and labor to install them for valve springs that are appropriate for the camshaft you are using. I'd look for a set of used aftermarket heads. If you are stuck on GT40P heads, there is a guy on Ebay that sells remanufactured Ps for $350. The link has been posted on this site a few times. As far as those junk knock off heads go, I would run an iron GT40 head before I'd run those. The Floo-tek junk, just like Pro Comp are chinese crap. The quality control in chinese foundries is not controlled at all. Machining quality is horrible. Anyone that has ever picked up a set of chinese heads, intake, etc knows of the lack of quality in these products. To each their own. If you want to save a buck and buy junk, so be it. I guess the question is, if you buy poor performing junk and save some money.....are you really saving money? __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

July 6th, 2009, 02:33 PM	#7
Thlad Regular 1995 Mustang GT Join Date: Mar 2008 Location: Kansas Posts: 100 iTrader: 0 reviews	thanks for the input guys __________________ BBK fender well cai, Mach 1 Rims, Accel ignition system, Steeda triax short throw, Venom 400 performance module, gt40 intake, 24lb injectors, 76mm mas

July 3rd, 2009, 12:54 AM	#1
Thlad Regular 1995 Mustang GT Join Date: Mar 2008 Location: Kansas Posts: 100 iTrader: 0 reviews	Gt40 p head price I found some assembled new with a warranty for 600 including shipping. Is that a good price? __________________ BBK fender well cai, Mach 1 Rims, Accel ignition system, Steeda triax short throw, Venom 400 performance module, gt40 intake, 24lb injectors, 76mm mas

July 7th, 2009, 01:55 PM	#10
Bullitt95 Hardcore Enthusiast 1995 Mustang GT auto 13.36 @ 105.0 Join Date: Apr 2007 Location: Al Ain, UAE Posts: 1,387 iTrader: 0 reviews	If you're still in doubt, read this: Fox Mustang Cylinder Heads - Budget 5.0 H/C/I Swap - 5.0 Mustang & Super Fords Magazine

July 8th, 2009, 03:17 PM	#14
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Click the link the link for the video to work.... __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

July 9th, 2009, 04:14 PM	#17
Bullitt95 Hardcore Enthusiast 1995 Mustang GT auto 13.36 @ 105.0 Join Date: Apr 2007 Location: Al Ain, UAE Posts: 1,387 iTrader: 0 reviews	Fair enough, I'll take your word for it.

July 10th, 2009, 06:32 PM	#18
WildWill Hardcore Enthusiast 1995 Mustang GT Join Date: Oct 2007 Location: Solomons, MD Posts: 1,112 iTrader: 0 reviews	That is seriously impressive. That says a lot for P heads. That makes me happier __________________ GT40p heads, 1.7 crane RR's, GT40 u/l, MAC LTs, MAC o/r h-pipe, Flowmaster 40s, 65mm t/b, '03 Cobra Bilstein Struts, Tokico Bullitt Shocks, MM c/c plates, Eibach Sportlines, B&M shifter, 255lph f/p, RAM p/g clutch, Fidanza alum fly, rebuilt t-5

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