mabc926
Mojo
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F700, need opinions
- Thread starter mabc926
- Start date
Diesel_brad
Dunce
Seems like alot of money for something that old, that you are going to change that much
saltbranch
Full Access Member
That would be cool, love that body style. A 4 door for that price and be able to sale the parts to recoup alot your money, I'd go for it.
88IDImattman
Full Access Member
you could make back some money by scraping the box an all things you didnt want ......wonder if that 2 speed rear could go under a f350
bike-maker
Full Access Member
I owned a 69 F600 for a while with the intention of converting it to diesel, grafting a pickup bed on it and using it to tow my 5er around.
Here are the stumbling blocks I ran into;
The big one is gearing. Mine had a Rockwell F106 single speed rear end. This one probably has a rockwell or Eaton. The 2 speed gives you an even deeper set of gears to play with (under drive). Mine had 6.80:1 gears in it, meaning it was good for about 50mph with the motor running on the governer at 3800 rpm's. The highest gears I could find to swap into it were 5.83:1. With overdrive (non of em came with an over drive trans) and BIG tires this combo might work OK.
The best situation would be the addition of a Brownie.
BTW, the rear ends in these thing are HUGE. Fitting one into a pickup would be nearly impossible, and leave you with the same gearing problem as discussed above.
As far as engine tranny combos; that's the easy part. There's a whole bunch of room so a standard medium duty engine/trans would swap in easily.
There were about 5 different transmissions that these guys came with, from a NP435 (what mine had) to an Eaton or Clark 5 speed.
The vacuum assisted drum brakes actually stop the truck well if they're set up correctly, they just take a little getting used to; they have a bit of lag time like air brakes, but worse.
The wheel base can be altered pretty easily if you want to go that route.
As far as maneuverability, this truck would most likely have a tighter turning radius than a CCLB, because on bigger trucks, you can get the tires to turn way sharper.
So my thoughts on this deal? Buy it. Swap in a DT466, transmission of choice and a Brownie. These era of medium dutys are becoming more and more rare, because many of them are worth more in scrap than as a truck. The crew cab versions are EXTREMELY rare; I've never seen one in person. It would be the same project that I started, but never finished.
Here are the stumbling blocks I ran into;
The big one is gearing. Mine had a Rockwell F106 single speed rear end. This one probably has a rockwell or Eaton. The 2 speed gives you an even deeper set of gears to play with (under drive). Mine had 6.80:1 gears in it, meaning it was good for about 50mph with the motor running on the governer at 3800 rpm's. The highest gears I could find to swap into it were 5.83:1. With overdrive (non of em came with an over drive trans) and BIG tires this combo might work OK.
The best situation would be the addition of a Brownie.
BTW, the rear ends in these thing are HUGE. Fitting one into a pickup would be nearly impossible, and leave you with the same gearing problem as discussed above.
As far as engine tranny combos; that's the easy part. There's a whole bunch of room so a standard medium duty engine/trans would swap in easily.
There were about 5 different transmissions that these guys came with, from a NP435 (what mine had) to an Eaton or Clark 5 speed.
The vacuum assisted drum brakes actually stop the truck well if they're set up correctly, they just take a little getting used to; they have a bit of lag time like air brakes, but worse.
The wheel base can be altered pretty easily if you want to go that route.
As far as maneuverability, this truck would most likely have a tighter turning radius than a CCLB, because on bigger trucks, you can get the tires to turn way sharper.
So my thoughts on this deal? Buy it. Swap in a DT466, transmission of choice and a Brownie. These era of medium dutys are becoming more and more rare, because many of them are worth more in scrap than as a truck. The crew cab versions are EXTREMELY rare; I've never seen one in person. It would be the same project that I started, but never finished.
THat thing is so old it was before the flip front one piece hoods. It would be a real bear to work on that thing. The later f700s were much easier to work on. You have full access when you open the hood and for engine removal, you just pull the pins on the hood and yank the hood off to get it out of the way
Matrix37495
The Amish Wolfman
HEY! That was my idea first! 
Price does seem a little steep. Something of that age probably has 20" wheels too (widowmakers). Tires will kill you. Gearing will kill mileage.... that said, it would be one awesome project once it was pulled together.
Price does seem a little steep. Something of that age probably has 20" wheels too (widowmakers). Tires will kill you. Gearing will kill mileage.... that said, it would be one awesome project once it was pulled together.
bike-maker
Full Access Member
Yeah, not only is the truck tall, but the body has about a 3-4" body lift built into it, so the motor is down in the engine bay a ways.
bghnkinf350
Registered User
I thought the F106 had more support and gear options. That would be nice with a brownie or 10 speed!
gatorman21218
Registered User
ooo looks like a nice candidate for a 318 detroit swap!!!
