Thread: 55.2-59 59 GMC 270-336 swap.
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Old 11-14-2021, 03:31 PM   #4
daveshilling
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Re: 59 GMC 270-336 swap.

Quote:
Originally Posted by mr48chev View Post
why would you waste time and money sticking an old Pontiac engine in the truck?
Coming from a guy who chopped his truck, which adds only time and money and zero functional benefit whatsoever, I'd think you would wholeheartedly support going the extra mile to do something you think is cool!

To throw my 2c in, the Pontiac 336 is the same exterior size as a Pontiac 389 or a Pontiac 400. Only an eagle-eyed observer will know the difference, they otherwise look identical.

If you're going to keep it Poncho, which is COOL, then I vote you skip the 336 and find a 389 or 400 to build there instead. More torque, and more likely you'll find one in good shape as the 336 is a rare engine.

If you go chevy instead, maybe carburete an LS? They are durable engines, and carburetion lets you skip the PCM, the high pressure fuel line, etc.
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