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Old 10-11-2002, 04:25 PM
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Post 396 buildup

Okay, boys how will this run? I'm building a 66 396 for my cousin's 69 Chevelle. I'm building the shortblock to stock 66 325 horse specs, with 10.25:1 compression. This engine has the closed chamber, oval port heads, and I am installing 2.190" inch intakes, and 1.88" exhaust valves. I am pocket porting the bowls, and portmatching the heads, as well as unshrouding the valves in the combustion chamber. I have a Lazer hydraulic cam 282 and 285 intake and exhaust respectively with 230 deg @.050, and 235 deg @.050 on intake and exhaust, it has 110 deg lobe sep angle and installs in 106 deg intake centerline with .550 intake lift and .540 exhaust. Topping it off is the portmatched factory cast iron high rise intake with a custom calibrated quadra-jet and a set of headers. This car has 3.55 gears and a four-speed.
So, tell me, how many ponies do you think it will produce? crystal ball dyno? anyone?

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Old 10-12-2002, 09:54 AM
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[ October 13, 2002: Message edited by: Quepas00 ]</p>
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Old 10-12-2002, 10:51 AM
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[ October 13, 2002: Message edited by: Quepas00 ]</p>
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Old 10-12-2002, 11:35 AM
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[ October 13, 2002: Message edited by: Quepas00 ]</p>
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Old 10-12-2002, 04:33 PM
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This is a 69 Chevelle, I'll assume it weighs around 3800 lbs, the carb cfm is 800 and the intake is a dual plane. I don't know the cam timing events, they didn't come with the cam, so I won't know until I degree it in.
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Old 10-12-2002, 07:13 PM
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[ October 13, 2002: Message edited by: Quepas00 ]</p>
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Old 10-13-2002, 10:22 AM
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just remember to install a cam that is grooved at the rear baring race, the early style block cannot use the later style (post 67) cam. you can under no circumstances use the cam as is without mashining a groove in the rear most baring surface.....

consult your cam supplier for the specs. (its in the comp cam catalouge..)

[ October 13, 2002: Message edited by: deuce_454 ]

[ October 13, 2002: Message edited by: deuce_454 ]</p>
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Old 10-13-2002, 01:32 PM
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I HAVE THE CAM CARD AND ITS ALREADY MACHINED FOR THE OIL GROOVE
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Old 10-13-2002, 06:54 PM
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Make sure that not only is the rear of cam is grooved the rear bearing also has to be grooved if you are repacing it. A machine shop replace mine with the wrong one. It took me a week to figure out why there was no oil to rockers. good luck. I just put one together
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Old 10-13-2002, 07:00 PM
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[ October 13, 2002: Message edited by: Quepas00 ]</p>
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