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07-08-2002, 12:15 AM
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#1 |
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Shortbox wanna-be.
Join Date: Mar 2002
Location: Fort St.John, British Columbia, Canada
Posts: 773
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Factory cylinder bore specs for a 402?
Can anyone give me the exact cylinder inside diameter for a 402BB? Also what is the min/max piston to wall clearance?
Thanks! Reid
__________________
1970 Chevy C20 Custom Camper 402BB Turbo 400 trans. (Slowly becoming a '70 shortbox 1/2 ton) '71 Camaro SS 402/T400 resto '97 Z28 (11.41@127MPH) 
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07-08-2002, 12:29 AM
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#2 |
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Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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Whatever the bore of a 396 is plus .030 inches.
__________________
'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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07-08-2002, 12:34 AM
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#3 |
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Shortbox wanna-be.
Join Date: Mar 2002
Location: Fort St.John, British Columbia, Canada
Posts: 773
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OK, I found the cylinder diameter. Its 4.125"
Now I just need the min/max clearance for piston to wall. thanks!
__________________
1970 Chevy C20 Custom Camper 402BB Turbo 400 trans. (Slowly becoming a '70 shortbox 1/2 ton) '71 Camaro SS 402/T400 resto '97 Z28 (11.41@127MPH)
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