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Re: 300hp magnum crate 360 convert to 380hp?
[Re: BigDawg72]
#653952
03/30/10 08:59 AM
03/30/10 08:59 AM
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Joined: Mar 2003
Posts: 571
Beaverton, OR, USA
Alikazam
super gas
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super gas
Joined: Mar 2003
Posts: 571
Beaverton, OR, USA
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Quote:
Zippy... Thanks for a very informative post!
To the OP, I am using the Professional Products Airgap RPM knockoff in my build and was told by someone knowledgeable on the magnum engines that it should produce more HP than the Mopar M1 single plane intake. They stated that the M1 wasn't a great intake. 
If my Flamethrower distributor would hurry up and get here I would fire mine up and have some real feedback on the combo. It does make me feel confident that my 400-425 HP goal is attainable since the same cam was/is used on the 380, 390, and 435 horse crate engines. I know it's all in the heads, but I hope to see the high side of 400 with my slightly cleaned up plain magnums. Maybe I' m too optimistic...
My 360 is putting down 340 whp on a dynojet chassis dyno, so with 20% drive train loss comes right at 425 hp (727 transmission, ford 9" rearend). I run Edelbrock heads (not ported, out of the box), RPM Air-Gap, 10.2:1 compression ratio, holley 750 VS carb, headers and dual 2.5" exhaust, and a crane retro-fit roller cam (112 lsa, 107 installed, 230/238 @ .050, .528/.538 lift). If your combo is close to this you should be able to see similar numbers I'd think 
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