Quote:
Originally Posted by Decipher
From what I’m reading, the 460 is going to prove to be bulletproof as well. It’s just not as prolific being a newer motor with generally less overall stomping miles than the tried and true 2UZ. The transition to the timing chain, I think, is going to be a huge positive change that could put the 4.6 even above the 2UZ. Time will tell.
The largest drawback on both, and you touched on it, is the stupid and problematic emissions control system for startup. Bypassing that will alleviate what I believe is one of the weakest links to the design.
That and the dash doesn’t crack on the 460. [emoji849]
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Yea I wouldn't doubt it will be an engine to go 400k miles or more. The only thing about a chain is if it stretches over time, if the guides and tension parts hold up, and how involved the replacement might be.
The belt replacement has been documented a lot so it's a little more in reach of a skilled home mechanic, as opposed to a chain that a lot of people have never seen. But the frequency of replacement is the deal breaker for most folks.
I owned a late 90s exploder and it was actually a nice vehicle with the 4.0 V6, but I started to hear a rattle for a minute during the morning start up, did some research, and found out about the crappy parts that Ford put in to support the 4 timing chains that thing was famous for breaking, and giving it the name EXPLODER. SMDH I dumped it quickly not even owning it for 4 months.
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1988 DLX 22RE AUTO BLACK-
"Granny" - SOLD
2003 SR5 SPORT V8- Build-
"Pearl" You Tube
2UZ 120
2012 LIMITED V6 "LE Mae" 5TH GEN BUILD
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