View Single Post
Old 03-16-2019, 11:38 PM   #39
SavageC20
Registered User
 
SavageC20's Avatar
 
Join Date: Sep 2018
Location: California
Posts: 151
Re: How hot do Big Blocks normally run?

Quote:
Originally Posted by Steeveedee View Post
My transmission cross member is mounted in the set of holes forward of where yours is, looks like about an inch. Not having had this apart, since it was rebuilt decades ago, are the left and right frame perches different? Maybe the rebuilders got them switched? I just don't know. But this is looking like the last piece of the puzzle. I can see that there is a lot of spline that could be taken up. One inch might be enough to get the fan where it belongs. I've verified that it is a big block fan shroud.

I do not know if the frame perches are side specific, but I do know that my 72' frame perches are a different design than your 70' frame perches. That could be the reason why yours is set up a bit differently than mine. When you say that there is a lot of spline that can be taken up are you referring to the splines on the output shaft of the transmission?

Here are the pics of the different motor mounts/perches, first pic is what I believe you have and second pic is mine.
Attached Images
  

Last edited by SavageC20; 03-16-2019 at 11:50 PM.
SavageC20 is offline   Reply With Quote