Popularity of GM LS crate engine vs Ford's - Ford Inside News Community
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post #1 of 13 (permalink) Old 11-29-2016, 01:33 AM Thread Starter
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Popularity of GM LS crate engine vs Ford's

AC's version of the Cobra roadster will get a GM V8. Sacrilege!!
Now I just read the replica/continuation Cord and upcoming DeLorean DMC-12 cars will also be powered by a GM crate V8 too.



Is GM's V8 crate engine just plain overrated or is it more reliable and easier to maintain/fix than Ford's crate engines?
Ford offers both DOHC Modular V8 and pushrod (302 block and 351 block) V8 crate engines.
Why are they being ignored?

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Last edited by AM222; 11-29-2016 at 01:42 AM.
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post #2 of 13 (permalink) Old 11-29-2016, 07:58 AM
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Re: Popularity of GM LS crate engine vs Ford's

The pushrod V8s from GM have been around for such a long time that parts for it are so easy to find that's why it's more popular. Ford moved to a DOHC configuration which is newer and doesn't have the same aftermarket.

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post #3 of 13 (permalink) Old 11-29-2016, 09:05 AM Thread Starter
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Re: Popularity of GM LS crate engine vs Ford's

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Originally Posted by Andrew L View Post
The pushrod V8s from GM have been around for such a long time that parts for it are so easy to find that's why it's more popular. Ford moved to a DOHC configuration which is newer and doesn't have the same aftermarket.
What about Ford's 302 & 351 block pushrod crate engines?
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post #4 of 13 (permalink) Old 11-29-2016, 02:10 PM
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Re: Popularity of GM LS crate engine vs Ford's

You could walk to any junk yard, find a LS piston laying on the ground, throw it in a fitting motor and it'll run. That's why. They're simple, brilliant, cheap, moddable, and make great power for cheap.

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post #5 of 13 (permalink) Old 11-30-2016, 04:35 PM
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Re: Popularity of GM LS crate engine vs Ford's

The Ford OHC V8s have pretty big space requirements, whereas the LS motors fit easily into more vehicles. I saw a Porsche 944S that had an LS swap, and it looked almost smaller than the 4-banger it replaced.

I'll never claim to be a fan of GM, but their various small-block V8s have been the standard for decades, even as the motors themselves evolve/change.

All that said, I'd be doing Coyote or Motorsport 351 swaps on anything I owned.
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post #6 of 13 (permalink) Old 11-30-2016, 04:46 PM Thread Starter
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Re: Popularity of GM LS crate engine vs Ford's

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Originally Posted by ZanatWork View Post
The Ford OHC V8s have pretty big space requirements, whereas the LS motors fit easily into more vehicles. I saw a Porsche 944S that had an LS swap, and it looked almost smaller than the 4-banger it replaced.
Isn't this where Ford's range of pushrod V8 crate engines come in?
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post #7 of 13 (permalink) Old 11-30-2016, 06:46 PM
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Re: Popularity of GM LS crate engine vs Ford's

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Originally Posted by Andrew L View Post
The pushrod V8s from GM have been around for such a long time that parts for it are so easy to find that's why it's more popular. Ford moved to a DOHC configuration which is newer and doesn't have the same aftermarket.
A comparison between the GM and Ford pushrod crate engines isn't even a fair fight. The GM "Small Block" has evolved massively in the past couple decades, so much so that the parts compatibility you mention no longer translates from generation to generation.

GM current pushrod crate engine >>>> Ford old pushrod crate engine.

I haven't checked the prices but I'd expect the cost of a Coyote is likely going to be greater than the cost of GM's pushrod engine. The cost to upgrade a DOHC engine is going to be higher than a pushrod engine.

The Cobra isn't a modern high tech vehicle so I can see the logic in using a more basic, yet powerful pushrod engine in that vehicle from the manufacturer's standpoint.
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post #8 of 13 (permalink) Old 11-30-2016, 07:14 PM Thread Starter
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Re: Popularity of GM LS crate engine vs Ford's

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The Cobra isn't a modern high tech vehicle so I can see the logic in using a more basic, yet powerful pushrod engine in that vehicle from the manufacturer's standpoint.
They could have put a Ford 427 crate engine just like the one in Classic Recreations' GT500CR.

Sounds like GM's pushrod crate engine is like the Corolla of pushed V8s. Half truth-half myth. Lol
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post #9 of 13 (permalink) Old 11-30-2016, 08:05 PM
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Re: Popularity of GM LS crate engine vs Ford's

If we are talking NA carbureted OHV crate engines, Ford and Chevrolet both offer many options ranging from simple swap and/ or street performance to all out competition across many displacements. Neither has a clear advantage over the other, not in size or power per displacement and even price is very close, although Mopar typically costs more. You can buy or build a 427ci Ford / Chevy engine and even a 426ci mopar stroker small block stroker engines (starting with 351 / 350 or 360ci small blocks respectively) that all make massive power, well North of 500hp and far more torque too and ALL of which package in an equal space of a small block OHV V8. More or less. Even Ford's Boss mod motor is quite the package offering North of 500hp.

If we are talking modern replacement V8 engines in the last decade or so that include fuel injection, etc…….then the discussion gets complicated, not unlike comparing production V8’s from all the above. But GM does have some advantages there, especially in scale…..they offer far more products that use a V8 than Ford does. Camaro, vette, CTS, G8, SS, truck, etc. But Ford is hardly a slouch, with their 5.2L and 5.0L that will soon be upgraded and more than capable of taking on anyone in a fight.
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post #10 of 13 (permalink) Old 11-30-2016, 10:09 PM
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Re: Popularity of GM LS crate engine vs Ford's

To my point about similarity,

Engine Masters Challenge (great series)

383 chevy vs 383 mopar



Another series with a 408 Ford and 408 mopar


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