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Questions about FE 390?

 
  #16  
Old 06-16-2012, 07:29 PM
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Originally Posted by joel79ford View Post
Automatic transmission is the last thing that ill want in my truck...
Why? The C6, even in 100% stock form, is one of the toughest transmissions ever built for a car/pickup truck. Built right, they can handle well over 1000HP and still live a long life. And, I can promise you this much, you cannot shift gear faster than an auto, and you will occasionally miss the gear you are trying for.
Heck, the older C6's were so well built, that later ford started cutting down on the number of parts inside them. Why add more stuff than it needs? That just makes it more costly to produce......

Originally Posted by Beechkid View Post
Agree......also the GT 390 Ranchero's......Had one, been there!
I can only imagine what a GT390 Ranchero would be like. Never had the pleasure of getting in one, and it's not too likely I'll find one in good shape these days, especially at a price I could afford.
I'll just have to make do with the GT internals stuffed into the 390 under the hood of dad's truck, and wonder what it would be like with about 1000lbs less weight, and a much smaller frontal area......
Runs quite good as it, but I bet it'll do even better when I get the 4bbl intake and carb on top.
 
  #17  
Old 06-16-2012, 08:36 PM
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Originally Posted by Rogue_Wulff View Post
And, I can promise you this much, you cannot shift gear faster than an auto, and you will occasionally miss the gear you are trying for.
So what are you saying, i'll be missing/grinding gears all day long?
I can assure you, i am not the best shifter in the world, but with the right differential,gear ratios and tranny i can out shift an automatic anyday...
I understand that the c6 tranny is one of the best out there...
Yes iv seen them in many drag racing cars/trucks
But i just truly believe, old trucks like these must be driven with a manual....just like muscle cars.
 
  #18  
Old 06-16-2012, 09:09 PM
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More compression will give you more power, and you'll have to run the highest octane stuff you can find.

9-9.5 motors were "regular fuel" back in the day, and may run ok on regular now if timing is held back a bit.

Your 4 speed:

David Kee Toploader Transmissions, Inc.

Just as with older high performance engines, don't expect to find a good, working toploader in the jy. I had a bit of an issue finding one 30 years ago in San Diego, Ca. Forget BW T-10s.

What gear and tire are you going to run? You also will need traction bars or a complete 4 bar rear suspension if you are going to run it hard, stick or automatic.

Without traction bars or better suspension, you will get wheel hop and break things in short order. The suggestion to use an automatic is with this in mind, as "usually", you will not shock the drivetrain as badly with an automatic as you will with a stick.
 
  #19  
Old 06-16-2012, 09:36 PM
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Originally Posted by joel79ford View Post
So what are you saying, i'll be missing/grinding gears all day long?
I can assure you, i am not the best shifter in the world, but with the right differential,gear ratios and tranny i can out shift an automatic anyday...
I understand that the c6 tranny is one of the best out there...
Yes iv seen them in many drag racing cars/trucks
But i just truly believe, old trucks like these must be driven with a manual....just like muscle cars.
You may be able to shift a stick quickly, but an auto can beat you anyday, with a couple simple little tricks (shift kit), and they seldom ever fail to hit the right gear everytime. When they do, it's usually time for a new trans, because they exploded just before the missed shift......
An auto with a shift kit can shift gears quicker than a person can flick a lever, in almost every case. Which is one reason many drag cars use them.

Now, if you intend to use a drag race trans with multiple levers, and can be flat shifted, then that's a bit different. The flat shift is where the auto beats most single lever sticks, you don't have to let off one pedal, and push down on another, while also flicking a lever (hopefully the right direction and distance). It just does it for you, without even lifting off the power.

I personally prefer manual trans on the street, but for reliability and cost, it's hard to beat a purpose built auto for the dragstrip.
 
  #20  
Old 06-16-2012, 09:43 PM
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Well in all honsest, im going to be using this truck to cruise in town and maybe take it out on for a long ride once in a while...i do plan to do a couple of burnouts from time to time, and if i meet a chevy by the stop light...
But yeah, its not like ill be taking it to the drag strips...
My freind has this 68 f100, its 2wd, long bed, automatic transimission and lowered in the back about 2-3 inches...it has a fe 390, bored .30 over, has 4 barrel edelbrock, hooker headers (pro) hooked up to dual 40 series flowmasters that exit the back..
so many after market parts in the engine
Jesus Christ that thing has power!(we met a 2000's honda civic at a light, it took off before us and we caught up next to it and were in the lead until we hit about 110)
The only thing i dont like about it is that it runs on jet fuel...im not sure what octane grade that is..
 
  #21  
Old 06-16-2012, 09:51 PM
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For cruising around, the auto has something I consider as an advantage. You can keep your right arm around a lady friend's shoulders........ Tends to make them feel special.
You know, if you're into that kinda thing.
 
  #22  
Old 06-16-2012, 10:51 PM
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Originally Posted by 85e150six4mtod View Post
More compression will give you more power, and you'll have to run the highest octane stuff you can find.

9-9.5 motors were "regular fuel" back in the day, and may run ok on regular now if timing is held back a bit.
Not true. That 10.5 to 1 390 I overhauled in the 68 Merc ran fine with 12* initial timing on 89 octane fuel after ditching the stock cam for a Crane 272* Energizer. I ran a GT390 on 87 with a Cam Dynamics cam (something like a 296* duration, .516 lift) back in the 80's in a 70 F100. You don't have to settle for a 9 to 1 motor in this day and age. There are many modern V8's running higher ratios than that now, albeit with EFI and computer controlled timing.
 
  #23  
Old 06-17-2012, 01:53 AM
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Point taken on those cams. EGR and one of those cams and he can run 14:1 on 87 maybe....
 
  #24  
Old 06-17-2012, 01:56 AM
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wow there...i dont want to have that high of a compression!lol
 
  #25  
Old 06-17-2012, 04:30 AM
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Originally Posted by 85e150six4mtod View Post
Most 390 PU engines were 2bbl. IIRC, maybe you can find a 4bbl in the Camper Specials?
1974/76: Ford offered the 390 4V as an option in F100/350's, VIN engine code M / Otherwise, all 1968/76 F100/350's with 390's were 2V, VIN engine code H.

Originally Posted by 85e150six4mtod
...or 401 HP if you can find a '61-62 3X2bbl motor.
1961 full sized Ford's w/390's were available with 3 deuces (3x2). 1962/63 Thunderbird Sports Roadsters came standard equipment with 3 deuces. Called M-Birds by T-Bird nuts, cuz the VIN engine code is an M.

All 1961/65 T-Birds came with 390's. 3 deuces also available as an option in 1962/63 full sized Ford/Merc 390/406's, 1963/64 full sized Ford/Merc 390/427's. Also available at the parts counter.
 
  #26  
Old 06-17-2012, 07:23 AM
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Originally Posted by joel79ford View Post
Well in all honsest, im going to be using this truck to cruise in town and maybe take it out on for a long ride once in a while...i do plan to do a couple of burnouts from time to time, and if i meet a chevy by the stop light...
But yeah, its not like ill be taking it to the drag strips...
My freind has this 68 f100, its 2wd, long bed, automatic transimission and lowered in the back about 2-3 inches...it has a fe 390, bored .30 over, has 4 barrel edelbrock, hooker headers (pro) hooked up to dual 40 series flowmasters that exit the back..
so many after market parts in the engine
Jesus Christ that thing has power!(we met a 2000's honda civic at a light, it took off before us and we caught up next to it and were in the lead until we hit about 110)
The only thing i dont like about it is that it runs on jet fuel...im not sure what octane grade that is..
Man this thread has been all over the place since I posted yesterday morning. Christmas will be here at the end of December, ya recond you can take a big breath and figure how much money you have to play with? I keep reading between the lines that you don't have a big budget.

For me "Damn a full grown Ford truck that can't shift it's own gears."





John
 
  #27  
Old 06-20-2012, 03:25 PM
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Hey guys, i saw this add on craigslist of a 67 f100
It has a 250 6 inline and a 4 speed
The owner claims that the body is in good shape
Hes asking 2900 for it
If i got it, i was wondering if the tranny would bolt on onto a 390?
 
  #28  
Old 06-20-2012, 04:46 PM
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Originally Posted by joel79ford View Post
Hey guys, i saw this add on craigslist of a 67 f100
It has a 250 6 inline and a 4 speed
The owner claims that the body is in good shape
Hes asking 2900 for it
If i got it, i was wondering if the tranny would bolt on onto a 390?
It can with a FE bell, as it is different from the sm blk bell.




John
 
  #29  
Old 06-20-2012, 04:49 PM
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Nice!
Looks like I'm getting a new project...wouldn't be amazing if I dropped a 429 hemi boss engine in this?
 
  #30  
Old 06-20-2012, 08:12 PM
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Originally Posted by joel79ford View Post
Hey guys, i saw this add on craigslist of a 67 f100
It has a 250 6 inline and a 4 speed
The owner claims that the body is in good shape
Hes asking 2900 for it
If i got it, i was wondering if the tranny would bolt on onto a 390?
Either the year is wrong, or it has had some parts swapped already. The grill is from a 70, best I can tell... looks like it also has the rear side markers that didn't come along till about 70, as well as front side reflectors from 68+ on the hood.
That, and the 250 inline 6 was not used in pickups.

Still, if the body is in good shape, and it meets your desires and budget, it should be worth having a go.
 

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