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Old 08-23-2003, 05:43   #1 (permalink)
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gt40 heads manifold

ok i know i can buy the gt40 heads for 1100-1200 buks ive read heaps of posts and seen a few quoting gt40 manifolds are these any good and what are the worth and also how do the gt40 gear compare in performance and dollars to other aftermarket gear like trickflow or others
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Old 08-24-2003, 04:37   #2 (permalink)
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Re: gt40 heads manifold

in mine 93 Cobra svo conversion 160 rwkw... TFS stuff 180 rwkw on different dyno though...Same cam & throttle body on both.. May have got more with different cam [more lift] and bigger throttle body with latter....If not going forced induction or stroker 58cc chambers helps heaps esp off cam....
TFS[or any good aftermarket heads] work well if stroking or turbo ..forced induction...
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Old 08-24-2003, 04:40   #3 (permalink)
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well dollars pending i wanna go 347 stroker heads and intake whatever works best vs price and the a 200hp nos kit
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Old 08-24-2003, 04:47   #4 (permalink)
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Re: gt40 heads manifold

"Torque" to your engine builder about compression with a stroker generally compression is lower with these heads as they'r made to fit 351's as well..There are different size combustion chambers too..
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Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
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Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..
R.I.P Possum...
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Old 08-24-2003, 04:49   #5 (permalink)
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Re: gt40 heads manifold

well honestly i know sh** about motors in tech terms and i dont know any builders i was gunna go to a local performance shop but i heard there average so i wanna find a decent one sumwhere in syd
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Old 08-24-2003, 05:03   #6 (permalink)
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Re: gt40 heads manifold

Are the Jones boys still in operation???
The guys from Parramatta. They build
motors for speedway boys..Well used too...

Cruse down to Eastern Creek on wednesday night, there are some
quick cars there. Ask around....
__________________
Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
.
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..
R.I.P Possum...

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Old 08-24-2003, 05:06   #7 (permalink)
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Re: gt40 heads manifold

yea well i wanna find someone caz i need more power badly but i want it done prop so i can thrash it a bit, so wat else would i need if i bought a vpw stroker kit and block Ford 347, 396 or 408W, Short Block Kit 347 Stroker, Steel Crank, H-Beam Rods, 10.1-1 and what kit should i use looking at running nos and making decent power hopeing 250rwkw
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Old 08-24-2003, 05:08   #8 (permalink)
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Re: gt40 heads manifold

kool ill try and get there are you goin ebxr8
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Old 08-24-2003, 05:13   #9 (permalink)
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Re: gt40 heads manifold

imo don't get too carried away with strong/ heavier crank as the weak part of a 302 is the block,get good pistons and rods though. Ever heard of a 302 breaking it's crank? No !!
www.wheelspin.net/images/block.jpg
an old but a goody!!
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Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
.
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..
R.I.P Possum...
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Old 08-24-2003, 05:29   #10 (permalink)
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Re: gt40 heads manifold

but goin 347 stroker and a little 200hp shot of nos running off the comp shouldnt break the block should it, i dont want it completely of its nut
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