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GMC 6x6 270 Army Truck


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  #1  
Old 01-10-2019, 02:42:50 PM
TomBall TomBall is offline
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Default GMC 6x6 270 Army Truck

I am working on a GMC 6x6 Army truck from the 40's. It has converted to a 270 GMC engine that has a bad exhaust manifold. Is there anywhere to buy an exhaust manifold or good used complete set up? I don't think there is much interchange with the smaller engine manifolds.
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Old 01-10-2019, 09:05:36 PM
d huling d huling is offline
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Default Re: Gmc 270

Tom i sent you apm
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Old 01-18-2019, 06:48:05 AM
TomBall TomBall is offline
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Default Re: GMC 6x6 270 Army Truck

Does anyone know if there is a way to determine if my 270 has an H head without pulling it off? They have bigger ports.
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Old 01-18-2019, 09:20:35 PM
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Tom Marshall Jr. Tom Marshall Jr. is offline
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Default Re: GMC 6x6 270 Army Truck

You would really have liked a Wayne 12 port head , log manifold with 3 carbs , headers . That and Hudson Hornet twin h power , flathead fords and chrysler spitfire s ruled the dirt tracks in the 60's . Tom
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Old 01-19-2019, 09:08:58 AM
dependable dependable is offline
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Default Re: GMC 6x6 270 Army Truck

Try posting on Steel Soldiers, military vehicle forum. Most likely you will get a good answer, especially if you include some pics of truck and engine.
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Old 01-22-2019, 09:50:23 AM
TomBall TomBall is offline
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Default Re: GMC 6x6 270 Army Truck

Thanks for the advice. I'm going to pull the manifold and measure the ports when it warms up a little.
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