Building a 340 6 pack Barracuda, cam help?

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woody30

woody30
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I have a 69 340, bored 30 over, 10-1 pistons, 6 pack set up, stock steel crank turned .010 on rods and mains with stock x heads. Need to figure what cam to put in with this set up. I plan on running 1 5/8 headers and 2 1/2 or 3" exhaust, it's a 4 speed set up with an 8 3/4 posi rear. Has 3:23's now but I bought a set of 4:10's for it. Tire size is up in the air. Wanted to put 275-60 15's on it but don't know if I have the room in the wheel well for them. Otherwise 245-60-15's. This car has to put my son's 80 Z28 Camaro in its mirror if you get what I mean. He's run in the low 13's without hooking up well so far. 106.7 mph on the top end. It this possible with what I have??
 
The cam issue aside I would not go over 2.5" exhaust with that motor :)
 
I differ on the cam. All those cams above have chebbie specific lobes. If you get something with Mopar specific lobes it will make more power. Comp makes some, but they are more expensive, of course.
 
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