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1985 370 Block any good?

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Old 07-31-2018, 10:38 AM
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Drac
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1985 370 Block any good?

I have a chance to own a 1985 F700 dump truck for free. The owners say it has a 460. But what I find is that truck came in gas with either a 370 or a 429. according to the VIN it should have a 370 in it. Now the odometer shows 227,000 miles so I guess its possible it has been changed at some point. it does look original and fairly in tact.

But my question is, if its a 370, is that a good block to build? I have been collecting parts for a few years now and the only stock parts I plan to use are the block and timing cover. The build is a Stroker Scat Cast steel crank with Scat H beam rods and Probe Forged Pistons, all of which I currently have. planning on Aluminum heads. hoping to be north of 800hp. to be used for sand drags.

But is this block worth having?
is there anything goofy with it like poor clearance in the bottom or some weird rear main seal set up?

Thanks for any insight

Shawn
 
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Old 07-31-2018, 03:55 PM
85e150six4mtod
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370 is not a good engine to "build on". You would be stuck with the small bore (4.05 + whatever it needs to go over), and as a result you might be limited on valve sizes. Your probe pistons are 429/460 pistons, right? Won't work. The front cover is a cast iron job for use as an engine mount and the crank diameter is larger than a car motor as well. There are 460s almost everywhere, so start with one of those.

As for the truck:

--check GVWR. If over 26000, do you have a CDL?
--check brakes, if hydraulic they are probably Lucas Girling. Do you have nearly unlimited funds to repair and maintain?
--check conversion. If a 460, was it done right and does the engine run right? Medium truck engines are sluggish pigs for a reason. High compression car engines don't live a happy life in a medium truck.
 
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