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How reliable is the Coyote V8?

CVN 80

Well-Known Member
Joined
Mar 8, 2024
Threads
2
Messages
68
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112
Location
Hampton Roads, Virginia
First Name
Chris
Vehicle(s)
2020 Mustang GT 6MT
I bought my '20 GT because my '16 Focus ST sprung a leak, overheated and started smoking. I mean like a Cheech & Chong movie; it was bad. The lack of coolant took out the head gasket, likely cracked the head and if I'm really lucky, warped the block deck. Yay, life. Of course, being a modern car, there's no economical way to REPAIR this powerplant, so I'll be putting an eBay longblock in it and selling it at some point. But it was an opportunity to trade up nonetheless, so I took it.

Modern engines are indestructible unless you overheat them, at which point they shatter like glass. The problem is twofold: One, that aluminum should NEVER be used in a structural application like an engine, especially when said engine has been designed with the bare minimum amount of metal in the block & head(s). Two, the engine (and indeed the whole car) is designed for quick, easy assembly in a factory - ONCE - not repair at a hundred thousand miles.

Between the aluminum construction and the extensive use of electronics which work flawlessly right up till the moment they don't work AT ALL, I don't trust modern cars. I think they're magnificent in terms of what they can do, but at what cost? I'll just have to be vigilant about watching the gauges.

I've spent a week fighting with that passenger window short-drop business, and am frankly appalled at the sheer number of things that might be the cause of this stupid, unnecessary problem. Can't get a definite answer anywhere. My '85 Firebird didn't have this problem, and when the windows and T-tops started leaking, I just replaced the gaskets. I didn't have to get out a laptop, buy a special connector cable, download the proper drivers & specialty software and interrogate one of the car's 47 separate computers about a DAMNED POWER WINDOW. This situation is practically a parody of auto repair.

Wait, what the hell was this thread about again?

Oh, right.

In spite of my rant, I love my car and will be keeping it. I know it's a bone-stock GT right now, just like ten million others, but it's MINE and I'm keeping it.

I've heard 200,000 miles is the life expectancy of the Gen III Coyote (Why did Ford name such a magnificent engine after the cockroach of predators?), if you don't try to turbo it into a four-figure dyno pull, so I'll just have to squirrel away a spare engine for it.
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