O'reillys vs Advanced Auto Parts Ford 390

Engine, ignition, fuel, cooling, exhaust

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Jzbochat
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O'reillys vs Advanced Auto Parts Ford 390

Postby Jzbochat » Sun Dec 03, 2017 10:55 pm

I was looking to find a rebuild 390 to put in my truck because my current one is getting tired. The 390 is becoming harder to find, but I found that O'reillys sells a 390 long block and so Does Advanced. My question is, which is better? I head that O'reilly's 390 is a bone stock rebuild, whereas Advanced is said to use some performance parts in their rebuilds. Anyone have any experience with one of these motors?

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Manny
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Re: O'reillys vs Advanced Auto Parts Ford 390

Postby Manny » Sun Dec 03, 2017 11:04 pm

There probably will be little difference from the two engines. Both from a volume re builder such as precision, jasper, etc etc. If they have a warranty and a decent price they will fair you well. However you could also buy a core and rebuild your own engine with a better quality product you can be proud of. Whats the pricing of the motors and are you opposed to building your own? My :2cents:
Dapper Dan

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woods wrote: The rust holes in my truck were a factory install (very rare).

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Ranchero50
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Re: O'reillys vs Advanced Auto Parts Ford 390

Postby Ranchero50 » Mon Dec 04, 2017 4:45 am

Volume rebuilders will also do the bare amount of work to bring a block up to spec and do extra work to repair a damaged block. I've seen sleeves and other stuff in basic 302's in the past. Oddball quality and deburring and my Autozone sourced 5.0 crank was bent when I pulled it out of the box.
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Jzbochat
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Re: O'reillys vs Advanced Auto Parts Ford 390

Postby Jzbochat » Wed Dec 06, 2017 8:41 pm

I would love to rebuild the engine from the block up, but due to a lack of time, I am forced to drop a long block in the old one's place.

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Manny
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Re: O'reillys vs Advanced Auto Parts Ford 390

Postby Manny » Thu Dec 07, 2017 9:48 pm

Jzbochat wrote:I would love to rebuild the engine from the block up, but due to a lack of time, I am forced to drop a long block in the old one's place.


If you can save your core and its a good one try to. Remember that the long block your buying will be built by a company where speed and low cost is key. I had a friend run a 390 long block in his 69' forever. Just remember they are not terrible but not a "High Quality Engine" Just a good engine. :2cents: Whichever engine you wind up with break in your cam right use good high zinc oil and i hope it fairs your great!! :thup:
Dapper Dan

67' F-250 CS high boy
360 4 bbl
4 speed
d44-d60 4.10 gears

woods wrote: The rust holes in my truck were a factory install (very rare).


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