360/390 identification
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Senior User
Joined: Oct 2003
Posts: 288
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From: Gig Harbor, WA
360/390 identification
How can you tell a 360 from a 390 without measuring the stroke? Is the flywheel end of the crank different? If you pull the pan how do you tell a 360 crank from a 390 crank? Someone told me the cranks are different where the flywheel/flexplate bolts on. Are there any good aftermarket headers you can use with an FE engine in a '76 F250 4 X 4 that will clear everything with no modification?
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
Seems like it would be easier to measure the stroke than to pull the pan unless the motor is locked. The flange is not a reliable indicator as they changed over the years. A later 390 crank will just have a 2UA or 3U marking like this
For headers, try http://www.fordpowertrain.com or http://www.stans-headers.com/
Barry
For headers, try http://www.fordpowertrain.com or http://www.stans-headers.com/
Barry
Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
I second the FPA headers..they are one of the best purchases I've made.
http://www.thedreyerfamily.com/69f25...FPAheaders.htm
As with anything, quality does not come cheap...these were about $650 with the ceramic coating.
http://www.thedreyerfamily.com/69f25...FPAheaders.htm
As with anything, quality does not come cheap...these were about $650 with the ceramic coating.
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