The 1947 - Present Chevrolet & GMC Truck Message Board Network - Big Block vs Small Block engine perches

- The 1973 - 1991 Blazers, Jimmys, and Suburbans Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=37)

- - Big Block vs Small Block engine perches (https://67-72chevytrucks.com/vboard/showthread.php?t=662138)

BigCarl

03-02-2015 07:27 PM

Big Block vs Small Block engine perches

Are they the same perch for all years 73-87 or are the Big Bloack and Small Block perches different?

blazer2007

03-03-2015 11:28 AM

Re: Big Block vs Small Block engine perches

mine are the same

BigCarl

03-03-2015 01:16 PM

Re: Big Block vs Small Block engine perches

Is there a difference in the way the block bolts to the clams?

blazer2007

03-04-2015 11:15 AM

Re: Big Block vs Small Block engine perches

No, I pretty sure it bolts right up.I don,t remember having any troubles.

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