rebuilding a 390
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New User
Joined: Apr 2008
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From: kerrville tx
rebuilding a 390
im needing to rebuild my 390. im having a few problems finding aftermarket parts for it. i see parts for 351 428 and 460. im trying to find out if the block is shared with any other engine out there. i heard the old 360 had the same block but hard to find parts for it too.
Post Fiend
Joined: Mar 2004
Posts: 6,056
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From: Union, Washington
The 428 is the same block externally as the 390. They use the same cams and valve train pars. Stock 428 heads are the same as stock 390 heads. 428CJ heads will fit but have bigger valves and ports. The rods are the same, but cranks are different as are flywheels and dampers. Dist., water pumps, oil pumps, fuel pumps and starts all fit. Intakes fit but you have to pay attention to port sizes. Headers may or may not fit as to 390 GT and 428CJ heads having a staggered bolt pattern instead of vertical.
Logistics Pro
Joined: Oct 2005
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From: Mddl A MexCans
Totally off topic: I couldn't help but notice your location.. I've been wanting to research rural property in Kerville for the last several years. Any suggestions on a local source for listings ? could've PM'd ya but what the hell hehe
Logistics Pro
Joined: Oct 2005
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From: Mddl A MexCans
looking more along the lines of dear hunting/cabin property. Outskirts stuff, I drove through there alot to see the folks back in the early 90's damn nice countryside. Thanks for the link i'll have to browse it some
Elder User
Joined: Dec 2007
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From: fallbrook ca.
im needing to rebuild my 390. im having a few problems finding aftermarket parts for it. i see parts for 351 428 and 460. im trying to find out if the block is shared with any other engine out there. i heard the old 360 had the same block but hard to find parts for it too.
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