70 grabber
Well-known member
What parts will interchange between a 200 and a 250? I am looking for info like pistons, rods ,crankshaft, bearings, rings. Thanks in advance for everyones help 
200/250 parts interchange ?
- Thread starter 70 grabber
- Start date
The cylinder head.
Different rods, same bore but different pin height on the pistons due to the 250 having almost 1" longer stroke and having a 2" taller deck height on the block. Different timing chain due to cam sitting farther from crankshaft.
Stuff like the cylinder head and camshaft (not timing chain or gears) will interchange and valvetrain parts. Not much else
Different rods, same bore but different pin height on the pistons due to the 250 having almost 1" longer stroke and having a 2" taller deck height on the block. Different timing chain due to cam sitting farther from crankshaft.
Stuff like the cylinder head and camshaft (not timing chain or gears) will interchange and valvetrain parts. Not much else
sp_alloy_head
Well-known member
I believe the pistons have the same compression height also, so those are interchangeable.
early ford fan
Well-known member
even the oil pan is different
70 grabber
Well-known member
Thats not good 4 me! so anyone near miami have a motor 4 sale?
200 and 250 share pistons, head, ignition system, valvetrain, and camshaft.
Differences: Oil pump, timing gear/chain, starter, water pump, crankshaft, rods, oilpan, header fitment (though cast manifold is the same), accessory brackets, bellhousings.
So there is maybe 40% interchangeability. Bearings should be the same, but you would buy new ones anyhow.
Differences: Oil pump, timing gear/chain, starter, water pump, crankshaft, rods, oilpan, header fitment (though cast manifold is the same), accessory brackets, bellhousings.
So there is maybe 40% interchangeability. Bearings should be the same, but you would buy new ones anyhow.
70 grabber
Well-known member
well had to change over to a V8 everyone didnt want to but a family member happened to have a 302 and an fmx tranny.My rods were knocking and rings went bad i was driving to va to get the motor and the torque converter poped. anyway will have parts listed in 4 sale section if anyone is looking for anything.Yes have performance parts that are good.Thanks everyone for all the help. Hated to go to V8 but my baby is running again and that deffinatly comes first as its a daily driver.
early ford fan
Well-known member
nothing wrong with a 302...
70 grabber
Well-known member
lol no there isnt! This was my first time dealing with the six and I really liked the thought of it is all.
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