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What engine do I have????

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Old May 13, 2010 | 10:11 PM
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What engine do I have????

The new to me 74 F250 highboy I just aquired has a 4 barrel intake with a reducer to a 2 BBL Autolite carb. As far as I know this is a 360 engine. Thats what the P.O says. First, How can I tell exactley what engine I have? The block has #352 stamped in the upper left side and if someone changed intake manifolds, would it be better just to run a 4bbl carb and eleviate all the BS adaptors this guy put on it. It looks like Larry the Cable Guy was under the hood As far as I know these trucks didn't come with a 4bbl carb and running one on a 2v engine is not a good idea. Is there any way to find out what I'm dealing with here?
 
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Old May 13, 2010 | 10:16 PM
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Welcome to FTE, Do you have Pics? Use photobuck or a site like that to post them in your threads.
 
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Old May 13, 2010 | 11:36 PM
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You'll need to measure the stroke through the spark plug hole using a wooden dowel, drill bit, etc.

3.50"=360
3.78"=390
 
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Old May 14, 2010 | 08:15 AM
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i agree...post pictures. someone may have swapped engines, so you really can't tell without pictures.
 
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Old May 18, 2010 | 05:11 PM
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Originally Posted by montana_highboy
You'll need to measure the stroke through the spark plug hole using a wooden dowel, drill bit, etc.

3.50"=360
3.78"=390
Where do I mark the dowel? At the spark plug hole or the bottom of the valve cover?
 
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Old May 18, 2010 | 06:43 PM
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Measuring @ the valve cover lip I get 3.78" on the inside of the marker line and 4" on the outside. I'm guessing its a 390. Probabley out of a car due to the 4bbl intake
 
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