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Tokyo Torquer · 01-04-2010, 11:18 PM

Haven't been on this board for a while.. a bit late, but will offer advice anyway You will not be able to make 500-550 hp on a streetable pump gas engine so easy with just a 360ci NA gen I SBC, and that power level would really require a bit of money unless you add some boost. It would be a lot easier with a 400+ci SBC (for 500hp) or 454+ci BBC (for 550hp). 450-480hp is a more reasonable target for 360ci, and even then it would be a fairly healthy street/ pump gas motor.

I dont know your budget, but assuming a tight budget, I would go for a 3.75" stroke Scat crank and make it a 388, 10:1 static compression, Dart 200 or TFS 195 or new big port Vortec heads from GM Performance, about a 238/244@.050 FT solid cam, 1.75" headers, Edlebrock victor Jr. intake and a 750cfm Holley. That may get you close to 500hp.

Think 1.2 to 1.3 hp per cubic inch for a healthy NA motor on pump gas.

mike

01-04-2010, 11:18 PM	#16
Tokyo Torquer Join Date: Apr 2007 Posts: 12 iTrader: (0)	Haven't been on this board for a while.. a bit late, but will offer advice anyway You will not be able to make 500-550 hp on a streetable pump gas engine so easy with just a 360ci NA gen I SBC, and that power level would really require a bit of money unless you add some boost. It would be a lot easier with a 400+ci SBC (for 500hp) or 454+ci BBC (for 550hp). 450-480hp is a more reasonable target for 360ci, and even then it would be a fairly healthy street/ pump gas motor. I dont know your budget, but assuming a tight budget, I would go for a 3.75" stroke Scat crank and make it a 388, 10:1 static compression, Dart 200 or TFS 195 or new big port Vortec heads from GM Performance, about a 238/244@.050 FT solid cam, 1.75" headers, Edlebrock victor Jr. intake and a 750cfm Holley. That may get you close to 500hp. Think 1.2 to 1.3 hp per cubic inch for a healthy NA motor on pump gas. mike __________________ 1973 RS Z28: 401ci Dart Little M, Littlefield 8-71 supercharger @14lbs boost, Callies Magnum crankshaft, Lunati Pro-Mod rods, JE pistons, 7.8:1 compression, AFR 227 Comp heads, T&D 1.6 shaft rockers. Reed solid FT cam (240/250@.050, .523/.542 lift, 112 LSA), QFT 750 carbs, Lemons headers, Mezier mechanical water pump, Tremec TKO-500 5-speed, Moser 12 bolt, 33 spline axles & 3.42 gears. Last edited by Tokyo Torquer; 01-05-2010 at 05:35 AM.