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08-05-2013, 11:19 AM
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CC Member
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Join Date: Sep 2012
Location: Portland,
Ny
Cobra Make, Engine: Factory 5, 390FE
Posts: 11
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Not Ranked
390 to 460
Does anyone now if I will have much trouble changing from a 390 FE to a 460? Also is there any suggestions? Thanks
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08-05-2013, 11:36 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,533
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Not Ranked
Do you mean switching to a 385 series 460 motor, or trying to take a 390 FE out to 460 CI?
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08-05-2013, 01:27 PM
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CC Member
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Join Date: Sep 2012
Location: Portland,
Ny
Cobra Make, Engine: Factory 5, 390FE
Posts: 11
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Not Ranked
I will be switching to the 385 series from the FE 390
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08-05-2013, 01:27 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
in a FFR? the 460 will weigh more......
__________________
Fred B
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08-05-2013, 01:32 PM
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CC Member
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Join Date: Dec 2004
Location: Yorba Linda,
CA
Cobra Make, Engine: FFR, V8, Manual Trans, Htr, Wipers, Radio Delete
Posts: 327
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Not Ranked
FF roadsters were designed to accommodate either. As long as you don't run out of ambition or money you should be fine. You have to be careful of the manifold height on a 460 or any taller block Ford for that matter. An Edelbrock Torker II is the tallest intake that will fit under the hood.
__________________
FFR - V8, Manual Trans, PS, Inop Wipers, No Radio, Gas Mileage so-so
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08-05-2013, 02:49 PM
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CC Member
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Join Date: Feb 2012
Location: Harrison,
TN
Cobra Make, Engine: Scratch-built 427 MR
Posts: 58
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Not Ranked
Of course you know that you will need bell housing, flywheel, etc?
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08-05-2013, 02:55 PM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,391
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Not Ranked
Just curious but why would you want to?
Larry
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Alba gu brąth
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08-05-2013, 07:38 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
Quote:
Originally Posted by Herman1
Does anyone now if I will have much trouble changing from a 390 FE to a 460? Also is there any suggestions? Thanks
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You may need heavier springs, Mounts, Flywheel & bell housing, and headers just to start the list. There are a few out there with the 385 series engines. They look like it takes a special shoe horn to squeeze them in, but they fit.
It's a great, inexpensive engine, but it's very big.
I would think that if you added up all the cost to covert the 390 to a 460, for the same money you could stroke the 390 out to about 440 (you can bore it a bit bigger). Pop a good set of heads on it, and you should be quite happy. That's assuming no one gave you the 460 for free. |
08-06-2013, 12:36 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
i agree with olddog.....and to boot it seems you have a C-6 behind the 390..
so a new trans will be needed too....sounds like stroking the 390 would be a better buy
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Fred B
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08-06-2013, 01:01 PM
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Senior CC Premier Member
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Join Date: Nov 2004
Location: SoCal,
CA
Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader
Posts: 3,574
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Not Ranked
Quote:
Originally Posted by LMH
Just curious but why would you want to?
Larry
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My question as well. Why? By the time you are done, you will have probably spent more time and money than rebuilding / stroking the 390 or going with another FE. Sell the 385 on Ebay and stick with another FE.
My 2c.
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All that's stopping you now Son, is blind-raging fear.......
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08-06-2013, 03:25 PM
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CC Member
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Join Date: Feb 2013
Location: Belleville,
MI
Cobra Make, Engine: Factory Five
Posts: 45
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Not Ranked
Quote:
Originally Posted by Herman1
Does anyone now if I will have much trouble changing from a 390 FE to a 460? Also is there any suggestions? Thanks
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Here is a pic of mine:
I'm about four months into my build. I switched to the Torker II intake(as previously stated) and had to change the oil pan too. Other than that, steady as she goes.
Good luck, let me know if you need anything. |
08-06-2013, 08:37 PM
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CC Member
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Join Date: Sep 2006
Location: No city...only 118 residents in Manter,
KS
Cobra Make, Engine: Cobra Auto Works body, Ron Godell Racecars chassis, 1989 Mustang GT 5.0 HO (converted to carb), W/C T-5, 3.73's in a Ford 9" Traction-Loc.
Posts: 812
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Not Ranked
You know, guys, originality aside, there are a few of us who really appreciate the characteristics of a canted valve engine....the 385 series Ford engines build great power without spending all that $$ for the FE....although with the cost of a new transmission it might be a wash.
For my tastes, the 385 engine is smoother at lower RPMs, less "fussy" about build technique (especially with regard to the valvetrain), and makes great torque (not that the FE's don't, of course) in a range that is more usable on the street.
If one MUST have a period correct engine, there is really only one option....and it's NOT one of the 385 series engines.
Cheers!
Dugly 
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YD,E./PNB
No names were changed to protect the innocent! 
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08-07-2013, 05:01 AM
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CC Member
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Join Date: Dec 2011
Location: York Co. Maine USA,
ME
Cobra Make, Engine: ERA 427 S/C W/Holmon Moody Original Nascar build #508 Iron Block/heads (C5AE-H) Bal/Blu 427 Sideoiler; 780 Holley Dbl. Pump; 4 Speed Top Loader; AP Racing Bks; IRS; 15" Trigo pins
Posts: 391
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Not Ranked
For all out power; for the fewest dollars, you can't go wrong with a 385 series engine. It's fairly easy go get 700+hp & TQ. for $12K or there abouts with the 385. That is one wild ride in a FFR, but the other mods required will cost you a bit also. It all depend on what you want really? Good luck M8  |
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