I'am trying to find out what are the correct casting numbers for all four calipers and what should the original finish be? Thanks Ron
72 LT1 brake calipers
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Re: 72 LT1 brake calipers
front outer----GM #5452273
front inner-----GM #5452270
rear outer------GM #5452284
rear inner------GM #5452281
Keep in mind, though, that these are CASTING numbers, and NOT caliper HALF PART NUMBERS. The caliper halves were machined differently for different positions. For example, the front outers are the same for both sides but the front inners, although both of the same casting number, are differently machined and have different finished part numbers. Finished part numbers appear nowhere on the caliper halves.In Appreciation of John Hinckley- Top
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Re: 72 LT1 brake calipers
Hi Joe,
When looking at your caliper half CASTING numbers a thought came to mind concerning the caliper half PART numbers.
Do the caliper half PART numbers in any way follow the usual GM right (even digit), left (odd digit), last digit part number scheme?
Regards,
Alan71 Coupe, 350/270, 4 speed
Mason Dixon Chapter
Chapter Top Flight October 2011- Top
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Re: 72 LT1 brake calipers
Hi Joe,
When looking at your caliper half CASTING numbers a thought came to mind concerning the caliper half PART numbers.
Do the caliper half PART numbers in any way follow the usual GM right (even digit), left (odd digit), last digit part number scheme?
Regards,
Alan
No, they do not.In Appreciation of John Hinckley- Top
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Re: 72 LT1 brake calipers
I believe Art Armstrong once taught us there was no overt attempt to differentiate RH vs. LH by odd/even numbering and that it was typically a 'coincidence' in how PN's were assigned to new drawings...- Top
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