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Topic Review (Newest First)
04-22-2011 06:47 PM
Onefunponcho techinspector1 thats a great build

Pontiac like TQ numbers and with the low rpm powerband and stock converter.

Thanks for sharing
04-22-2011 06:02 PM
Ron Golden
Horsepower and torque

We're just about finished building a 350 SBC using the 170cc RHS cast iron head. The intake flows well after a little work (265cfm @ ).600") but the short turn on the exhaust had to be modified. If I remember the exhaust flowed about 210cfm after we worked on the short turn.

This engine will be a "mule" motor to go on the dyno for R&D purposes.

Are the HP & TQ figures from the engine described here?

04-21-2011 10:41 PM
techinspector1 I might be thinkin' 375-400 horsepower, 425+ lbs/ft of torque with 9.0:1 static compression ratio, stock converter, mild cam (204-212 intake duration @0.050", 110 LSA), RPM intake, 750 carb, 1 5/8" long-tube headers and 3.50 rear gear. Just a real nice cruiser. I really, really like these heads. They're inexpensive and they work. This is for one bare head....
Then buy one valve kit (fills 2 heads)...
One guide plate kit (fills 2 heads)...
And one rocker stud kit (fills 2 heads)....
Here's the cam...
or here...
And here are the roller lifters...
or here...
Use a Howards composite distributor gear (will outlast a bronze gear 3 to 1)...

2000 148 390
2500 188 395
3000 238 417
3500 292 439
4000 342 449
4500 379 442
5000 401 421
5500 400 382
6000 355 310
Cam installed retarded 2 degrees.
04-21-2011 09:02 PM
Ron Golden
350 Sbc

Take a look at the Chevy crate motors. Best bang for the buck. Several HP levels available.

04-21-2011 08:43 PM
horsepower and torque

I am restoring 1955 chevy, pulling out the original 265 and replacing it with a 350. I do not want to overkill on power but I do want something mild to medium.

recommendations on HP and torque

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