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04-30-2008, 08:13 AM   #4 (permalink)
Beoweolf
 
Join Date: Jun 2002
Posts: 3,754
Re: How to date a late 80s 5.0 HO motor?

Quote:
Originally Posted by PaceFever79 View Post
Are there casting numbers (or other clues) for dating a late 80s 5.0 HO long block without surgery? For some reason the harmonic balancer is dated E4xxx (84) but it has a Roller cam firing order and I was told the motor is late 80s. I'm trying to finger out if it has forged pistons (88-89)
Hate to always be the one that brings this up...but, with any car - especially Mustangs, after the first year or so on the road, there will almost always be some modifications. We are 20 years into the cycle for the early 4-eye Mustangs, I seriously doubt if there are any "stock" foxbody Mustangs left.

Add in the fact that you can mix 'n match most 302 blocks, heads, intakes - means you need to know your stuff when its time to go "yarding".
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