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Old 12-31-2006, 11:02 PM
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Chevy I-4 identification

does anyone know where i might be able to decode what Chevy I-4 engine is in a Hyster forklift ? i have scoured Google with no luck. the only numbers i have found on the block are "271 83 Hecho En Mexico." from that information, i gather the last 3 digits of the casting number are 271, its an 83 model year block, and its made in Mexico.

the carb that is on it is a Rochester Monojet that id like to rebuild. when i cross-reffed the numbers on the carb, 7044017, it comes back to a 250cid engine. i dont think this engine is *that* big.

the forklift is old, at least 20 yrs old. would i be in better shape if i popped the valve cover off and got the head casting number ?

TIA
Dale

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Old 12-31-2006, 11:32 PM
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Probably an industrial version of the old 153 cubic inch engine that was used in the early Chevy II models.

Bob
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Old 12-31-2006, 11:41 PM
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I think that Bob is correct. They were used by Mercruiser in boats also. The Mercruisers were 181 c.i.
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Old 01-01-2007, 12:27 AM
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Guys and Gals,

This engine was in mail vans, forklifts, boats, cars JUST EVERYTHING.
It has the nick name of the "Iron Horse".
The carb is the correct one. Get a kit and rebuild it.

HAPPY NEW YEAR!!
Scholman
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Old 01-01-2007, 12:43 AM
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The "Iron Duke", also used in the 3rd generation F body's for a year or two.
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Old 01-01-2007, 01:03 AM
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anyone have a pic of the "Iron Duke" ? im not entirely sold that it is an Iron Duke.
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Old 01-01-2007, 01:41 AM
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The Iron Duke is the Pontiac inline 4 cylinder with the zig-zag edged valve cover. This is a much later engine than the Chevy II 4banger used in Mercruiser applications as well.
The Chevy II engine has pretty much always been known as the Chevy II or Nova 4 banger or the Mercruiser 4banger.
The Iron Duke came later, was touted by oh so many automotive writers, no hotrodders gave a damn. Oh, there were cars built with the engine, and GM offered all kinds of hopup parts, but they ended up being Buick, Olds, Pontiac mid size front drive junk car engines in the real world, and a small footnote in the hotrod world.
And then there was the DOHC Quad Four....oooooooooooooooohhhhhhhh!!!
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Old 01-01-2007, 08:14 AM
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The ChevyII,Mercruiser 4cyl. Looks like a 194,230,250 6cyl. just two cylinders shorter. The intake and exhaust is on the same side of the head. It also has a sheetmetal side cover.
The later Iron Duke "2.5" has the intake and exhaust on different sides. I have casting number books at work so but,I'm not going in until Tuesday.
The little Chevy II 4 bangers were used in oval midget race cars and are real cool lookin' in early style hot rods.
Have fun,Smokey
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Old 01-01-2007, 06:57 PM
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Quote:
Originally Posted by yekoms
The ChevyII,Mercruiser 4cyl. Looks like a 194,230,250 6cyl. just two cylinders shorter. The intake and exhaust is on the same side of the head. It also has a sheetmetal side cover.
The later Iron Duke "2.5" has the intake and exhaust on different sides. I have casting number books at work so but,I'm not going in until Tuesday.
The little Chevy II 4 bangers were used in oval midget race cars and are real cool lookin' in early style hot rods.
Have fun,Smokey
id appreciate if you would look up casting numbers for me.

and Thanks to everyone who replied, youve convinced me that it is an Iron Duke.
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Old 01-01-2007, 08:36 PM
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Quote:
Originally Posted by pasadenahotrod
And then there was the DOHC Quad Four....oooooooooooooooohhhhhhhh!!!
the q4 is a pita to wrench on (well, plugs are easy to get at) but usually run forever with blah acceleration. My friend had a poor-rebuild job that was a chronic money pit.

The HO versions are screamers with the 5speed, but there weren't many built.

They also have a lot of potential when stuck pointed the right way in a light hotrod (add boost for more fun).

link http://www.kitcarmag.com/techarticle...mbining_parts/
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Old 01-01-2007, 09:47 PM
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DHMag,

I think there is a stamped number on the deck of the block that can be looked up. Casting numbers are usually back by the flywheel, either on top near the starter mounting bolt holes or at the very back of the engine.
I have tried the numbers you posted and I come up the same as you....nothing.

Scholman
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Old 01-01-2007, 09:55 PM
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Quote:
Originally Posted by scholman
DHMag,

I think there is a stamped number on the deck of the block that can be looked up. Casting numbers are usually back by the flywheel, either on top near the starter mounting bolt holes or at the very back of the engine.
I have tried the numbers you posted and I come up the same as you....nothing.

Scholman
i was all over that engine and that was all i found for casting information. its kind of difficult when its still in the forklift. when i get some time, ill look again.

Thanks though !
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