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72 longhorn BB · 12-07-2005, 01:50 PM

About BB casting numbers:

1.) where are they

2.) how do you read them to tell if the block is numbers matching to the VIN of the truck it is in?

Thanks

12-07-2005, 01:50 PM	#1
72 longhorn BB Registered User Join Date: Jan 2000 Location: Michigan Posts: 312	BB casting number - where are they?? About BB casting numbers: 1.) where are they 2.) how do you read them to tell if the block is numbers matching to the VIN of the truck it is in? Thanks __________________ Chuck 1972 C-20 Longhorn 402 BB .030" over (409?), curved HEI, RV cam, quadrajet, dual 3" exhaust, TH 400 ported w/shift kit 1999 K1500 Suburban (old style) 5.7L Vortec 4L60E "No matter where you go, ........ there you are" Last edited by 72 longhorn BB; 12-07-2005 at 01:50 PM.