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Chevrolet - 350CI NASCAR BUSH SERIES BARE BLOCKS | |
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WEB SITE NAVIGATION | |
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GM & SC HOLLEY AFR |
EDELBROCK FLUIDAMPR R&M |
SCAT MSD |
DEMON WORLD |
HUGHES TREMEC |
RICHMOND PROFORM |
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350 NASCAR BUSH SERIES BARE BLOCK DESCRIPTIONS | |
| 350 NASCAR Bush Series “2.30” Crank Diameter | |
| P/N 12480045 | |
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These 350 “CNC” blocks are designed for NSACAR series racing. Main bearing torque specifications for all Bow Tie blocks are
65 lbs. inner bolts, 60 lbs. outer bolts and 40 lbs. on 3/8” front bolts with light oil. They are light weight with the following specifications: |
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CNC machined 2.30” crankshaft diameter 9.025” deck height Bulk heads machined at 5 degrees Special steel main caps 6AN water drain 45° - 10 AN fitting front oil feed 4 center valley drains drilled & taped |
Steam holes between cyl .0750” from deck 4.115” bore diameter 58mm roller cam bearings .875 lifter bore diameter AN o-ring plug replacement pipe plugs 1/2” NPS water hole each side of block 45° - 10 AN fitting valley scavenge No oil filler boss |
| 350 NASCAR Bush Series “2.64” Crank Diameter | |
| P/N 12480046 | |
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These 350 “CNC” blocks are designed for NSACAR series racing. Main bearing torque specifications for all Bow Tie blocks are
65 lbs. inner bolts, 60 lbs. outer bolts and 40 lbs. on 3/8” front bolts with light oil. They are light weight with the following specifications: |
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CNC machined 2.64” crankshaft diameter 9.025” deck height Bulk heads machined at 5 degrees Special steel main caps 6AN water drain 45° - 10 AN fitting front oil feed 4 center valley drains drilled & taped |
Steam holes between cyl .0750” from deck 4.115” bore diameter 2.28” camshaft diameter .875 lifter bore diameter AN o-ring plug replacement pipe plugs 1/2” NPS water hole each side of block 45° - 10 AN fitting valley scavenge No oil filler boss |
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