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440 hp estimate

Posted By: psycho_440

440 hp estimate - 02/08/09 04:48 PM

wanted some opinions about hp on my engine. it is a .030 over 440 je domed pistons, eagle h-beams, stock crank, 11.0-1 CR, following parts from hughes engines...stage 2 plus heads (2.19 intake w/extra intake porting), hughes 3237 hyd cam (.576 .587 dur @ .50.232 .237, 110 LSA) , 1.6 rockers, performer rpm intake w/hughes porting, 1 7/8 stahl headers and 850 bg gold claw. stage 1 engines from hughes make about 500-550 hp while the stage 2 seem to make 550-600. my motor seems to be a bit different kind of a stage 1 1/2. since the cam has to pull 15'' of vac. so what do ya guys think hp and torque range would be???
Posted By: gch

Re: 440 hp estimate - 02/08/09 04:55 PM

500hp
540tq
Posted By: BELVEDERE67

Re: 440 hp estimate - 02/08/09 05:02 PM

The limiting pieces of this plan are the heads and the smallish cam. I understand the need for 15" vac would be for power brakes etc. but it's difficult to go higher given those perameters
Posted By: psycho_440

Re: 440 hp estimate - 02/08/09 05:03 PM

that much of a drop form the smaller cam???
Posted By: psycho_440

Re: 440 hp estimate - 02/08/09 05:07 PM

well vac is is a rule regulation (15"@900 rpm) but i have seen stage 2 heads do 590 hp with just a little more cam, less rocker and small carb. i guess really it doesnt mater.. i'm happy with the way it runs and am pretty competetive. just wish i could poke it on the dyno.
Posted By: gch

Re: 440 hp estimate - 02/08/09 06:52 PM

I think the Hughes dyno is a little on the happy side.I am not knocking them but some of their numbers seem optimistic to me.
I have run their heads,cams,rockers,and port matched intakes and like them a lot.
I have one of their solid cams,1.6 rockers,and port matched intakes on my 496.
If it were not for the ported heads I would have bet lower numbers.Duration=hp if you can move the air.
Try and fine a chassis dyno to tune it on and some pretty close flywheel numbers can be pulled from that.
Posted By: 383man

Re: 440 hp estimate - 02/09/09 02:27 AM

I would guess about 525hp. My 440 is 10.0 comp with 906 heads I ported myself. I use the MP .557 solid cam and a Holley Street Dominator intake with an 850 DP. My 440 make's about 500 hp going by the car weight and mph. I would think yours will make more hp then mine even though my cam has more duration as you have more comp and most likely better heads then me. Sounds like a nice combo. Ron
Posted By: 70Cuda383

Re: 440 hp estimate - 02/09/09 05:37 AM

Quote:

The limiting pieces of this plan are the heads and the smallish cam. I understand the need for 15" vac would be for power brakes etc. but it's difficult to go higher given those perameters




wow, small cam?

576 .587 dur @ .50.232 .237, 110 LSA is bigger than my comp xe275hl which is something like 275 duration (230ish@.050) .525 lift, etc. and I thought it was a good sized cam!
Posted By: psycho_440

Re: 440 hp estimate - 02/09/09 05:22 PM

i would love to throw my mp .557 or .590 solid in but the guys in that class are spending 10-15k n motors. BTW i know most of you drag race asphalt. this engine in a 4x4 truck that races mud drags (sometimes mud pit). rules are a bit different.
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