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what is the PCM Ford 351 engine based on |
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javagif 
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Joined: February-01-2005 Location: Germany Status: Offline Points: 8 |
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 Topic: what is the PCM Ford 351 engine based onPosted: February-13-2005 at 11:25am |
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What is the exact type of the PCM 351 Ford V8 engine.
Is it a 351M, 351C, 351W ? ..and in what car was it basically installed? |
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jameski
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Joined: May-18-2004 Location: United States Status: Offline Points: 368 |
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Posted: February-13-2005 at 12:03pm |
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It's the 351W, but most of them (except for recent years) are reverse rotation from a car, and they have many significant differences.
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David F
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Joined: June-11-2004 Location: United States Status: Offline Points: 1770 |
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Posted: February-13-2005 at 12:44pm |
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I think the the 351W was mostly used in Ford trucks. I cannot remember if mine had 2 or 4 bolts mains. But, if like Chevy's, a trunk engine would use the 4 bolt main whereas a car would probably use the 2 bolt main. Ford may not do this so...
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GottaSki
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Posted: February-13-2005 at 2:51pm |
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hmmm...No cars... yes its called the Truck/Marine shortblock. Ford doesn't do the 4 bolt main thing on the windsors, thats a chevy thing.
The truck/marine shortblock has different rods and rod bolts, that permits more material to be left where it most necks down.. The rod bolt heads are round instead of the auto rod bolts, that are like a 'T' or some call them 'oval'. The Marine heads are not machined for the thermacter air pump outlets in the exhaust port, but I think they have the material still there, in the way. |
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captan1
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Joined: June-02-2004 Location: United States Status: Offline Points: 180 |
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Posted: February-13-2005 at 3:14pm |
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I've also heard the crank is turned in the opposite direction from a car or truck, has to do with the microscopic burs left after polishing facing the right direction for reverse rotation, And don't forget about the outrageously priced crank seals with opposite oil return ridges on them, and of course the distributor drive gear on the cam is bass ackwards to drive the distributor the normal direction in the reveres rotation scenario. Makes swapping in a create engine a drag.
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Bradley950
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Joined: February-07-2005 Location: United States Status: Offline Points: 168 |
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Posted: March-09-2005 at 1:09am |
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Would this mean the engine water pump is also reverse rotation?
Brad |
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Brad Miller
bradley950@yahoo.com |
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jameski
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Joined: May-18-2004 Location: United States Status: Offline Points: 368 |
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Posted: March-09-2005 at 10:14am |
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Most of the circ. pumps have non-directional impellers - but if you replace yours you should double-check.
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woodyelc
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Posted: March-12-2005 at 11:37pm |
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FYI in the mid 80's ford went to a one piece rear main seal and at time started using the same crank for there left and right motors. the seal made the differance.
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