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  #1  
Old 05-10-2008, 10:28 PM
SwitchBlade327 SwitchBlade327 is offline
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Default Engine swap? 390? Any "easy" swaps?

Alright, I've got bigger issues with my car than I first thought. They're not "fatal" but can't be dealt with without tearing the engine completely down.
Since my bird is my daily, I can't very well do that. So I'm gonna keep driving it as is and start building something else to drop in it.
My first thought was a 390 since it seems like it'd be the easiest swap and they're fairly easy to find. Am I right in that assumption?
In a nutshell I'm just looking for any info I can get my hands on about engine swaps for these cars and I figured this would be the best place to ask!
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Old 05-10-2008, 10:44 PM
El Guapo El Guapo is offline
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I have a 390 w 352 heads and c-6 combo in my 59.It originally had a 430 MEL so the mount are a little different and so are the tranny mounts.
I didn't swap it but it's a pretty simple conversion.
Stay away from the gt or cobra heads their a 16 bolt config.and you exhaust wont fit.You'll have to get custom exhaust to clear the steering box.
I've been contiplating a 428 CJ for Chiquita .
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Old 05-11-2008, 01:56 AM
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I have a 390 with 352 heads as well ( ī64 ). That engine came from a pickup....( Ranchero perhaps? )I understand all FE engines will fit quite easy, as it should be pretty much the same on the outside. The original 352 ( ī58 ) was changed due to a big crack in the block.
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Last edited by Anders : 05-11-2008 at 02:02 AM.
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Old 05-11-2008, 02:10 AM
El Guapo El Guapo is offline
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2 great books you might want to look into are:
High Performance Ford Engine Parts Interchange 221-CID to 460-CID...by George Reid
How to Rebuild Your Big-Block Ford
by Steve Christ
Great info and nice to have on hand...You can Google 'em.
The 352 heads I have are pretty rare(EDC)..They are machined combustion chambers which got to costly for Ford and were abandoned for "as cast" chambers.They make little difference in performance.

hey switchblade,another thing you might consider is stroking a 390 to a 410 is fairly easy by installing a 428 crank.
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Last edited by El Guapo : 05-11-2008 at 02:37 AM.
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Old 05-11-2008, 08:30 PM
SwitchBlade327 SwitchBlade327 is offline
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So the 390 Is basically a bolt in it sounds like. Why use the 352 heads though?
Do you know what it took to get the c6 in there? I'm mainly wondering about the linkage with the original shifter. If I have to go ahead with all this I'm totally gonna look into a transmission upgrade as well....
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Old 05-11-2008, 08:47 PM
El Guapo El Guapo is offline
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the EDC heads have a slightly smaller chamber size creating a higher compression ratio.Not that big of a deal the car came that way.
The 390 and 352 are so similar that I'm having difficulty identifying the motor in my other bird.The #'s on the block and heads (according to the books) tell me they are a 352/390.
c-6 should be a direct bolt in again mine came with it in so I wasnt involved with the transplant.But mine being a J code car had some obstacles I can tell.
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Old 05-12-2008, 12:37 AM
El Guapo El Guapo is offline
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This is a post I found posted by 6TBIRD about C-6 linkage.

The linkage fits right into the selector on the tranny. and then just adjust it at the shift lever on the column at the steering box. and all that is, is to disconnect the linkage put the shift selector in D2 shift the tranny into 2nd gear by pushing down on the rod then turn the end connector until it slips freely on tho the shift lever reinstall the cotter pin and then run the selector the the gears. and your done.
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  #8  
Old 05-12-2008, 08:57 AM
ncbird ncbird is offline
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Default c6

I dont think the c6 is a drop in for a 352 bird. I looked at it briefly and as I remember the transmission mount has to be moved backwards and a new mount fabricated. Not a huge mod but not a drop in. If time is of the essence like it being a driver and your COM is ok I would stick with just engine change. As EG said any of the FE engines will bolt in. Cheap upgrade as EG said is to build a 410 which you can use a 360 block (very plentiful) as well as the 390 block with a 428 crank and rods. I just bought a running 390 and C6 from Youngs auto wrecking and I think I have $750 in it. For what ever reason I wasnt able to find a lot of 390's around here. Grant
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Old 05-12-2008, 11:16 AM
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390 will drop right in. Mine still has the cruise-O. When it takes a dump, I'll throw a C6 at it.

Originally, my dad had a Hi Perf (68 Mustang - by appl) 390 with (surfaced) 352 heads. Comp ratio was up there. Had a Holley 780 (good for those days - junk now) That motor was run one way for 30 + years . . . With the hammer down. She'd scream. Ya had to run addative in the later years or she'd ping. Whats in there now runs good too . . .heh heh. Lwr compr though.
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Old 05-12-2008, 02:23 PM
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Regarding 352 heads in a 390, well, the truth is that I donīt know why that works .......
But I got this letter from the previous owner, who explained it like this:
"he car was originally a 352 but had a cracked block as well as other ailments, the 390 came out of a mid sixties pickup and the heads are 352 as they had larger valves, there is a mild cam with forged pistons, it has been ported and relieved, with a competition three angle valve job and hardened seats, the tran, both front and rear suspension rebuilt. the ac has new compressor, dryer and condenser, rear end was not rebuilt but was drained, flushed and new fluids added the current carb is a 750 cfm as the original 500 cfm wasn't adequate for the additional power, has not been dynoed but feel it should be producing upwards of 450 hp. note to the best of my knowledge and information I could find indicates less than 500 were built with factory air.."

Anyone know what " competition three angle valve job " is? Number of angels of the valve? Whatīs good about that?
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Last edited by Anders : 05-12-2008 at 02:27 PM. Reason: spellingggggggg
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