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Automotive Forums > Chevrolet > Blazer > Performance - v6 vortec heads
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Performance Discuss Engine, Suspension, Drivetrain, and all other performance modifications here.

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Old 06-23-2007, 10:49 PM   #1
smokejaguar
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v6 vortec heads
Got a 96 4.3 vortec auto 2wd reg cab, and want to know about the heads and cam. What size are the intake and exhuast valves, combustion chamber size, compression, cam lift and duration. thanks
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Old 08-16-2007, 09:40 AM   #2
Chris Stewart
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Re: v6 vortec heads
hp cu.in. comp./ fueling/ rocker/lifter comb.vol.

170 262 9.2 / PFI / 1.50 /Hyd.Roller 62.0 cc

170 262 .025 deck, Flat w/n pistons, 1.940/1.500 I/E valves, .400/.393 lift

You might call Comp Cams for duration numbers
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Old 08-16-2007, 03:42 PM   #3
smokejaguar
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Re: v6 vortec heads
thanks, thats great info.
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