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Block Swap Issues?

New User
Posts: 5
Joined: 04/13
Posted: 02/17/14 05:09 PM

Bought a 64 1/2 with a bad 66 / 289 block.  Will i be able to drop in a 72 / 302 block and just bolt everything back up or will i have to change / upgrade some parts?  This is all new to me.....thanks.  

Post Reply
Posts: 127
Joined: 10/13
Posted: 02/17/14 06:42 PM

are they both 6 bolt bell housing blocks???

then almost everything will bolt on..

some of the other forum members will fill you in on the small details i hope..  

Post Reply
Posts: 648
Joined: 07/06
Posted: 02/19/14 01:43 AM

Around 1969, Ford changed to a different clutch system for standard trans. Automatics were not effected. Also, early small blocks had 3 bolt mounting for crankshaft pulleys and dampener, while later ones had 4 bolts. They don't mix and match. Try to get all the accessories with the later engine.  

Post Reply
Posts: 343
Joined: 11/09
Posted: 02/19/14 08:35 AM

also check the later 302 blocks do not have a boss on the back of the block for the Z bar to mount, there is a kit to put that mount on the block though.  

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