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Old 11-19-2005, 13:34   #1 (permalink)
Randy Williams
 
Join Date: Nov 2005
Location: Port Huron, MI
Age: 29
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351w crankshaft hell

will a 69 windsor block except an 85 windsor crankshaft?

please help............any response will be greatly greatly appreciated
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Old 11-19-2005, 18:08   #2 (permalink)
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Exclamation Re: 351w crankshaft hell

Yes it will all 351W cranks are the same.

But be sure to use the 1969 rods and 1969 pistons because there is a difference in the deck hight between the 1969 blocks and post 1970 blocks.
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Old 11-20-2005, 14:07   #3 (permalink)
Randy Williams
 
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Re: 351w crankshaft hell

thanks man, i apreciate it alot. i figured there wouldn't be that big of a change in the cranks over the years. but people tell me 69's had oil slingers with 2 piece rear main seals. and 85's had no oil slingers with a 1 piece rear main seal. i just don't want the b to leak on me after getting it rebuilt, and have to take it all back apart. any info on the seals?
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Old 11-29-2005, 16:38   #4 (permalink)
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Re: 351w crankshaft hell

If it were me, I'd use an older model crank. Not sure about Fords quality control in some 70's and 80's smallblocks. I've seen some ugly later model smallblock cranks. Casting flaws on rod journals etc. Just fyi.

Properly balanced, I've personally seen a cast 1969 crank spin up to 8000rpm a few times in a Windsor motor I had. But ya need all the good stuff in the motor too. lol Sure I blew it up a year later, but that's not the point. :)
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Old 12-03-2005, 19:06   #5 (permalink)
Randy Williams
 
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Location: Port Huron, MI
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Re: 351w crankshaft hell

thanks for the input. this is my first motor build, so i just wanted to make sure I can use my crank. that wouldn't suprise me about the 69's holding up better. (as everyone says, they don't make things like they used to). anyways if anyone knows......

If i use my 69 block with an 85 crank, what rear seal do i use?

69=2 piece
85=1 piece

or veice versa. it would be awesome if they made an adapter seal, but i have never heard of one.

any info would be awesome.

thanks
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