Ford motorsport x 303 heads

jam77 · October 2nd, 2007, 06:20 PM

are these heads any good ? Just asking because i might be able to buy them off a guy for a really good price. Should i bother?

jam77 · October 2nd, 2007, 07:12 PM

anyone?

coreyflipp · October 2nd, 2007, 07:29 PM

They're not bad heads. They breath better than stock and are alot lighter. But buying new is not really worth it because they're not much cheaper than trickflow or afr which breath way better. Depending on the price though i might recommend them.

Speedstang302 · October 2nd, 2007, 08:32 PM

yeah what price..cuz if its around $1000...just buy trick flow twisted wedge 2.02 heads...flow better and are like $300 more..and are new..

nolife · October 2nd, 2007, 08:53 PM

I have them. Not the best in the world but I am making decent power with them. Not worth it to me to swap them out with something else yet. As others have stated, depends on the price.

Ford rates their crate engine at 340 HP flywheel which is basically a production 5.0l with X303 heads, an E cam, and a GT40 intake.

Speedstang302 · October 2nd, 2007, 09:04 PM

also with roller rockers, and a bunch of other little stuff..

Tony_90fox · October 2nd, 2007, 09:17 PM

not a bad head, but if you have the extra couple hundred, then just get some twisted wedges.

jam77 · October 2nd, 2007, 09:27 PM

for around 500.00 - 600.00 worth it ?

coreyflipp · October 2nd, 2007, 09:30 PM

If they're in good shape I'd say go for it.

Tony_90fox · October 2nd, 2007, 09:46 PM

Originally Posted by jam77

for around 500.00 - 600.00 worth it ?

that is the price EACH!

Iownastang · October 2nd, 2007, 09:55 PM

thats what hes getting a set for

Tony_90fox · October 2nd, 2007, 10:02 PM

oh sorry, didnt read the first post...not a bad price...the lowest you will probably ever find on a set of used Trickflows is 800-900...In my opinion, go for it!

superman5.0 · October 2nd, 2007, 11:08 PM

nope get cast iron RHS. other then there aluminum they are the best head going. and there only aobut 600 each i beleive.

Casper98GT · October 3rd, 2007, 08:36 AM

http://www.fordracingparts.com/parts...tKeyField=2601

I have these heads as well, with 1.7's. Bought them used with not many miles on them.

I havent put them on...should i sell and buy different ? I also have a Vortech V2-SQ with 8rib system. Will they work well with the s/c. Or should i just let them go and get something else.

nolife · October 3rd, 2007, 09:53 AM

I run those heads with 10# boost. Again, not the best head but they will work. I am not looking for a full drag car or the lowest ET possible out of my car (I still have cats,air pump, EGR, working A/C etc) and I rev limit at 6K so I can not comment on the performance above that other then it is still pulling hard when I hit the rev limiter.
I have other things I want to do with the car before I think about better heads but it is on my list.

October 2nd, 2007, 06:20 PM	#1
jam77 Enthusiast 1987 Mustang GT Join Date: Apr 2007 Location: IL Posts: 685	Ford motorsport x 303 heads are these heads any good ? Just asking because i might be able to buy them off a guy for a really good price. Should i bother? __________________ 87 GT, typhoon upper and lower,70mm tb, 90mm maf, bbk shorties, bbk x-pipe, flowmaster cat back, 3:73 gear, pro 5.0 shifter, novi blower,afm power pipe, load IO, Trick Flow heads, Anderson B-31 cam, Anderson PMS, 42 lb injectors, t-rex fuel pump.

October 2nd, 2007, 07:12 PM	#2
jam77 Enthusiast 1987 Mustang GT Join Date: Apr 2007 Location: IL Posts: 685	Ford motorsport x 303 heads anyone? __________________ 87 GT, typhoon upper and lower,70mm tb, 90mm maf, bbk shorties, bbk x-pipe, flowmaster cat back, 3:73 gear, pro 5.0 shifter, novi blower,afm power pipe, load IO, Trick Flow heads, Anderson B-31 cam, Anderson PMS, 42 lb injectors, t-rex fuel pump.

October 2nd, 2007, 07:29 PM	#3
coreyflipp Regular 1990 Mustang gt Join Date: Jul 2007 Location: college station, texas Posts: 70	They're not bad heads. They breath better than stock and are alot lighter. But buying new is not really worth it because they're not much cheaper than trickflow or afr which breath way better. Depending on the price though i might recommend them. __________________ 1990 gt 5-speed

October 2nd, 2007, 08:32 PM	#4
Speedstang302 MM Fanatic 1989 Mustang LX 5.0 12.86@ 111mph Join Date: Apr 2007 Location: Massachusetss Posts: 4,533	yeah what price..cuz if its around $1000...just buy trick flow twisted wedge 2.02 heads...flow better and are like $300 more..and are new.. __________________ 1989 Mustang LX 5.0 Stock w/ F303 cam and 1.6 Roller Rockers BBK Shortys, BBK o/r H, Flowmaster Super 44s "The LS1 was subject to a paternity test!!! The results are back....03 cobra you are the Father!!!!"

October 2nd, 2007, 08:53 PM	#5
nolife Hardcore Enthusiast Join Date: Dec 2006 Posts: 1,028	I have them. Not the best in the world but I am making decent power with them. Not worth it to me to swap them out with something else yet. As others have stated, depends on the price. Ford rates their crate engine at 340 HP flywheel which is basically a production 5.0l with X303 heads, an E cam, and a GT40 intake. __________________ 1991 GT - Original owner, all stock 1988 GT - The project car

October 2nd, 2007, 09:04 PM	#6
Speedstang302 MM Fanatic 1989 Mustang LX 5.0 12.86@ 111mph Join Date: Apr 2007 Location: Massachusetss Posts: 4,533	also with roller rockers, and a bunch of other little stuff.. __________________ 1989 Mustang LX 5.0 Stock w/ F303 cam and 1.6 Roller Rockers BBK Shortys, BBK o/r H, Flowmaster Super 44s "The LS1 was subject to a paternity test!!! The results are back....03 cobra you are the Father!!!!"

October 2nd, 2007, 09:17 PM	#7
Tony_90fox MM Fanatic Join Date: Jun 2006 Location: Bowling Green, KY Posts: 3,445	not a bad head, but if you have the extra couple hundred, then just get some twisted wedges. __________________ Suck on it Trebek. Suck it long, suck it hard.

October 2nd, 2007, 09:27 PM	#8
jam77 Enthusiast 1987 Mustang GT Join Date: Apr 2007 Location: IL Posts: 685	Ford motorsport x 303 heads for around 500.00 - 600.00 worth it ? __________________ 87 GT, typhoon upper and lower,70mm tb, 90mm maf, bbk shorties, bbk x-pipe, flowmaster cat back, 3:73 gear, pro 5.0 shifter, novi blower,afm power pipe, load IO, Trick Flow heads, Anderson B-31 cam, Anderson PMS, 42 lb injectors, t-rex fuel pump.

October 2nd, 2007, 09:30 PM	#9
coreyflipp Regular 1990 Mustang gt Join Date: Jul 2007 Location: college station, texas Posts: 70	If they're in good shape I'd say go for it. __________________ 1990 gt 5-speed

October 2nd, 2007, 10:02 PM	#12
Tony_90fox MM Fanatic Join Date: Jun 2006 Location: Bowling Green, KY Posts: 3,445	oh sorry, didnt read the first post...not a bad price...the lowest you will probably ever find on a set of used Trickflows is 800-900...In my opinion, go for it! __________________ Suck on it Trebek. Suck it long, suck it hard.

October 2nd, 2007, 11:08 PM	#13
superman5.0 Enthusiast 93 GT Hatch 12.68@112.57 Join Date: Jun 2007 Location: Brandon, FL Posts: 536	nope get cast iron RHS. other then there aluminum they are the best head going. and there only aobut 600 each i beleive. __________________ http://www.geocities.com/vz_one/superman5.jpg

October 3rd, 2007, 09:53 AM	#15
nolife Hardcore Enthusiast Join Date: Dec 2006 Posts: 1,028	I run those heads with 10# boost. Again, not the best head but they will work. I am not looking for a full drag car or the lowest ET possible out of my car (I still have cats,air pump, EGR, working A/C etc) and I rev limit at 6K so I can not comment on the performance above that other then it is still pulling hard when I hit the rev limiter. I have other things I want to do with the car before I think about better heads but it is on my list. __________________ 1991 GT - Original owner, all stock 1988 GT - The project car

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Ford motorsport x 303 heads