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hp with gt40 heads

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Old 10-06-2007, 07:17 PM
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ant0045
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Default hp with gt40 heads
i just finished collecting all my parts for the motor build. fully built bottom end with 9:1 comp, ported and polished gt40 heads, and a crane cam with 288/294 with .544/.559 http://store.summitracing.com/partde...p;autoview=sku. what kind of hp/tq do you all think i will put down with this setup. also what intake mani dose everyone suggest.
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Old 10-06-2007, 07:22 PM
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mattdel
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Default RE: hp with gt40 heads
WHY are you using such a HUGE cam?

that car is gonna run like ***
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Old 10-06-2007, 07:25 PM
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ant0045
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Default RE: hp with gt40 heads
got the heads and cam as a deal paid 650 for the heads and cam and heads are built for the cam. heads were fresh from the the macine shop. cam is brandnew too. why is it gunna run like ***? as long as she pulls hard it can idel like sh*t, doesnt matter to me. plus future plans for nitrous or boost
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Old 10-06-2007, 07:27 PM
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mattdel
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Default RE: hp with gt40 heads
gt40 heads are not going to flow sufficiently to sustain a .544 lift with a 289 duration.
plain and simple. you got lied to.
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Old 10-06-2007, 07:58 PM
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ant0045
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Default RE: hp with gt40 heads
the heads are at the shop now getting a port and 3angle valve job
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Old 10-06-2007, 07:58 PM
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Default RE: hp with gt40 heads
still not gunna flow good enough?
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Old 10-06-2007, 09:41 PM
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AdderMk2
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Default RE: hp with gt40 heads
you MIGHT break 250rwhp
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Old 10-06-2007, 10:13 PM
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OnyxCobra
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Default RE: hp with gt40 heads
ORIGINAL: AdderMk2

you MIGHT break 250rwhp
didnt you push 270whp with the stock cam?
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Old 10-06-2007, 10:31 PM
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AdderMk2
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Default RE: hp with gt40 heads
ORIGINAL: OnyxCobra

ORIGINAL: AdderMk2

you MIGHT break 250rwhp
didnt you push 270whp with the stock cam?
yes.. but I also tuned it myself
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Old 10-06-2007, 10:36 PM
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OnyxCobra
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Default RE: hp with gt40 heads
well the engine is going to need tuning to run optimal.
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