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03-09-2005, 08:54 PM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
390 and 360 rods
What is the lenght of a 360 rod? My book list a 360 and 390 rods as the same, 6.488". If the 360 has a 3.5" stroke and the 390 has a 3.78" stroke, are the piston different or the rods or both?
Thanks Dwight
__________________
''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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03-10-2005, 04:03 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,391
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Not Ranked
I think there was a "short" rod for FE's....and a "long rod." Either way, there wasn't much difference at all.
There may be a different rod between the 360 and the 390, but my guess is that the piston compression heights are different.
I can tell you for sure when I get home this evening....I have some good FE reference books.
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www.lykinsmotorsports.com
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03-10-2005, 04:22 AM
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CC Member
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Join Date: Jan 2004
Location: Leicester,
UK
Cobra Make, Engine: Metaline 1969 Ford 390 bored to 402ci
Posts: 89
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Not Ranked
In all the info I've seen on FEs, the rods are the same but the pistons are different.
IE 406 and 428 rods are the same length even though the 428 has a longer stroke (Both have same bore). I guess putting 428 pistons in a 406 makes a 428 (along with changing crank  )
Scat cranks may use different size rods though.
Paul |
03-10-2005, 05:31 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,391
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Not Ranked
There are different rod sizes.....I remember it being such a small difference that it was actually funny....but I can't remember the exact measurement.....Right off the top of my head, it seemed like they were .030" - .060"difference.....Not much.
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www.lykinsmotorsports.com
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03-10-2005, 06:20 AM
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CC Member
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Join Date: Jan 2004
Location: Leicester,
UK
Cobra Make, Engine: Metaline 1969 Ford 390 bored to 402ci
Posts: 89
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Not Ranked
Your probably right, I must admit, I was mainly compairing 390, 406, 410, 427,428 rods when I was looking.
I'll look in my reference book tonight to see what it says.
(Although I guess that may be wrong )
Paul |
03-10-2005, 01:28 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,391
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Not Ranked
Hey guys...just for future reference, my FE books say the 332 and 352 had 6.540" rods.....rest had 6.488".
__________________
www.lykinsmotorsports.com
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03-11-2005, 02:11 AM
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CC Member
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Join Date: Jan 2004
Location: Leicester,
UK
Cobra Make, Engine: Metaline 1969 Ford 390 bored to 402ci
Posts: 89
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Not Ranked
Yep, thats what I've got in mine too.
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03-13-2005, 03:11 PM
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CC Member
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Join Date: Dec 2003
Location: Atlanta,
GA
Cobra Make, Engine: I Wish, Just an old truck with an FE
Posts: 70
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Not Ranked
360's do not have the same rods as 390's.
360's have skinny rods.
I sure wouldn't trust one with much horsepower.
I'd show you but I tossed mine. |
03-13-2005, 03:50 PM
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CC Member
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Join Date: Feb 2004
Cobra Make, Engine: shellvalley 428 ford
Posts: 395
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Not Ranked
HI ALL, SINCE WE ARE ON YHE SUBJECT OF FE'S . HAS ANYONE USED A SCAT STROKER KIT IN A 390? IF SO, HOW LONG AND ANY DO'S AND DONT'S. ALL INPUT GREATLY APPRECIATED.
BYRON W.
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03-13-2005, 07:01 PM
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CC Member
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Join Date: Oct 2004
Cobra Make, Engine:
Posts: 18
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Not Ranked
hey Byron,
I'm going to install one next week. It'll take a couple of weeks, but I'll keep you updated if you want?
Have a good one.
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03-13-2005, 07:29 PM
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CC Member
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Join Date: Feb 2004
Cobra Make, Engine: shellvalley 428 ford
Posts: 395
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Not Ranked
HI WTENUKL,
ABSOLUTLEY KEEP ME UPDATED. THANKS A BUNCH.
GOOD LUCK.
BYRON
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