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-   -   400 +.030 SBC estimated hp/tq. ( 01-04-2013 08:00 PM

400 +.030 SBC estimated hp/tq.
:welcome:...I have a 400 Chevy small block installed in the engine room of a 1948 Chrysler New has a TH350 with a stock converter behind it...I haven't run the engine yet because I still have to do a few things like install the Griffin aluminum radiator and the ignition wires...when I get it started the cam will have to be broken in question is much horsepower and ft./lb. of torque will this engine make?'s a rundown of what I have...the engine is a professionally remanufactured unit with a .030" overbore and stock type pistons...the camshaft I specified when talking to the rebuilder is a low-mid range stump puller torquer....the heads have stock 1.94" intakes and stock exhaust valves...all pushrods and rockers and lifters complete the package...the compression ratio is stock...I'm guessing 8.5:1....I'm using the ram's horn cast iron exhaust manifolds...the intake is an Edelbrock Performer, topped with an adapter and a Holley 500CFM two barrel carb on top...the ignition is a 1963 Chevy 283 points style unit...I have 2" diameter pipes from the ram's horns going into turbo mufflers and 2" what do you guys think ?...the Chrysler is a 4,000lb. car and it's a cool cruiser....any guess as to hp and torque numbers?

vinniekq2 01-04-2013 08:28 PM

maybe 260 hp and 340 torque.What were you expecting? 01-05-2013 12:03 PM


Originally Posted by vinniekq2 (Post 1630732)
maybe 260 hp and 340 torque.What were you expecting?

The HP sounds right on the money...I was hoping for around 400Ft/Lbs Torque give or take maybe 10Ft/Lbs or so. As long as it makes lots of grunt off idle to 4,000RPMS. Winding it up high is not in the cards. Thanks for your input.

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