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engine wont fit?

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Old Dec 6, 2008 | 12:49 PM
  #1  
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engine wont fit?

i blew a 4.6l in a 98 f150, 4x4 auto transmission, tried to replace it with a 97 f150, which came with a manual transmission, and the mechanic said the new motor will not fit due to the crank, and the flywheel, is this possible, or can they not be retrofitted? they are both windsor motors, i thought any ford motor can replace a ford motor
 
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Old Dec 6, 2008 | 03:38 PM
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the engine should be able to fit. that should just be as easy as dropping it in and swapping out the transmissions and any additional hardware that may be required.
 
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Old Dec 6, 2008 | 04:58 PM
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Also, the 4.6L is not a Windsor motor. A '97 F-150 should have the same engine options as your '98. This is not true of '96 however.
 
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Old Dec 6, 2008 | 07:48 PM
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Soon after I got my '98 F150 4X4 automatic w/4.6 L, the experts schooled me on how to tell if the motor is a Windsor or a Romeo. Apparently chains like AutoZone are cued to ask for VIN to resolve this Q, even to replace the serpentine belt!

Originally Posted by Bear River
Also, the 4.6L is not a Windsor motor.
Since h20fella posted "blew a 4.6l in a 98 f150, 4x4 auto transmission" I'd presume he has the same odds of having either Windsor or Romeo. However all the 4.6L '97 & '98 motors should physically "fit". If "they are both windsor motors" I'd expect most of the connectors to also "fit".
 
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Old Dec 6, 2008 | 09:54 PM
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The Romeo engine had a 6 bolt flywheel and the Windsor had 8 bolts.
 
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Old Dec 6, 2008 | 10:37 PM
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Counting flywheel bolts can be kind of a hard way to make the distinction between Romeo & Windsor. Many can tell instantly just by looking at the cam covers, which have different bolt patterns. For my work they also had different harmonic balancers.

Originally Posted by LxMan1
The Romeo engine had a 6 bolt flywheel and the Windsor had 8 bolts.
Looking at VIN numbers can be much easier. If there's a W at a certain position in the VIN it means a Romeo motor oddly enough. Sorry I forget which position & have 2 W's in my VIN.
 
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Old Dec 6, 2008 | 11:27 PM
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The 8th digit of the vin is the engine code on domestic vehicles.
 
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Old Dec 9, 2008 | 04:58 AM
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thanks for all the replies, much appreciated
 
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