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Old 01-19-2017, 11:16 AM   #12
MikeB
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Join Date: Jul 2000
Location: North Texas
Posts: 3,438
Re: SBC vs BBC motor mounts

I found this info at GMPartsWiki.com:

79 C10,20,30 BRACKET, ENGINE MT. (aka clamshells) for small block is P/N 334601. For a 454, the P/N is 334605.

Frame brackets appear to the same for small block and big block in C30 truck.

http://www.gmpartswiki.com/getpage?pageid=59067
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Mike
1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!

Last edited by MikeB; 01-19-2017 at 11:43 AM.
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