360 crankshaft?
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Freshman User
Joined: Mar 2004
Posts: 29
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360 crankshaft?
May be a dumb question but at the risk of sounding dumb here goes.Can you
use a 360 crank and 390 pistons and rods when doing a rebuild?I guess what I am asking is what is the difference between a 360 and a 390 crank?
Thanks for the help.
use a 360 crank and 390 pistons and rods when doing a rebuild?I guess what I am asking is what is the difference between a 360 and a 390 crank?
Thanks for the help.
Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
No, you can't. The 360 already has low compression. Put 390 rods and pistons in it and you are at about 7:1 or less with a whole lotta quench area. It wouldn't run very well.
390 pistons and rods are shorter than the 360.
390 pistons and rods are shorter than the 360.
Elder User
Joined: Feb 2004
Posts: 940
Likes: 0
From: burlington, iowa
if your going thru the trouble to change out everything else why not change the crank?, check your local machine shop, i got a 390 crank for 40 bucks because someone never came back for it. the shop owner was glad to sell it to me for what he had in it.
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