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  #46 (permalink)  
Old 06-27-2010, 09:25 PM
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dead thread have the dyno sheet on that beast ? 667hp is churning out some serious HP for a 327 !

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Old 06-28-2010, 09:25 AM
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Originally Posted by BigDawgsEatFirst
Good Rod to stroke Ratio
plus a 307 Chevy bore it to .060 and it is 327
I had a 307 that would run circles around
the 305 I had in another car
Just for info purposes!
Put the 307 crank in a 350 block now you have a large journal 327. GM made these in a limited run just before they switched from 327 to 350 in late 1968/very early 1969 (discounting the 67 Camaro 350). They make a good street engine but the 307 crank is a cast crank not like the forged small journal 327 crank. Of course you have to re-balance for the heavier pistons.

A good 327 should pull 7500-8000 with a good roller cam and some nice heads.
Use to wrench a 71 Vega panel van (old Sears Panel Truck) 327 Tunnel dual 660's that ran low 10's in the 70's.
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Old 06-28-2010, 12:06 PM
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In 1968, I set a AHRA F1-E/HR national record with my '56 Chevy with a 301 (302) engine and "462" FI heads and 4.56 rear cogs. The 301 ciengine was balanced and assembled by Wayne Calvert in Denton, Texas. In 1964, the engine started life out of the crate as a 327, 250 HP engine (short block.) I installed a 1962-65 409 Chevrolet oil pump.

In 1966, after racing the '56 Chevy with the 327 engine at several AHRA sanctioned dragstrips in Texas, I finally broke the cast iron 327 crank at the rear main journal...street racing. I salvaged the empty 327 block and the "462" FI heads for my next engine. I purchased and installed a GM 283 "236" forged crank and GM (TRW) 11:1 283 fuel injection 0.125" O.S. forged pistons. I also used the legendary 1965 365 HP 30-30 FI camshaft, with GM edge oriface solid lifters. I retained my "double-hump" FI heads with 2.02/1.60 valves that were ported, flow tested and assembled by "California" Joe Mondello.

1956 Chevrolet Del Ray 2-door sedan. Bright yellow "Resto-Mod"
301 CI (formerly a 327 GM crate engine)
4.56 GM rear gears
8.00 X 14 M&H Cheater slicks
Headman headers with dumps.
462 "double hump" FI heads, 2.02/1.600 valves, Crane Cams springs.
11:1 FI Corvette 283 pistons, 4.00" bore (0.125" O.S.)
10.5" Zoom clutch
Schieffer 14 lb. aluminum flywheel with bronze heat shield. .
1960 B-W T10, 2.54 low 4-speed, slick-shifted, (use of clutch not required).
2-4 barrel Carter WCFB carburators
Chevrolet (GM) 2-4 barrel intake manifold.


You can see by the sucessful use of a relatively weak 1960 B-W 4-speed transmission that the engine did not put out a lot of torque.

Last edited by MouseFink; 06-28-2010 at 12:17 PM. Reason: spelling
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