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Old 05-30-2016, 08:53 AM   #13
Chipper Chapman
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Join Date: Jan 2004
Location: Belmont N.S. Canada
Posts: 473
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Default Re: 350/255HP Help please

-Block is not poured,
-.005" piston to wall as per CP
-Plateau Honed with torque plate, cannot remember exact grit but we spoke to total seal and did what they said
-Bearing clearances .0025 rods, .0037 mains
-Broke in and dynoed with amsoil break in 30 weight
-now running amsoil dominator 5w20
-M55A pump with stock spring,
-Champ CP40 pan

Cam specs
Bullet CHS 307/315-06H duration @.050 262/270
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Chris Chapman
1969 Chevelle
NHRA F-G/SA 1090
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