1980 F-700 Detroit Diesel ??? - Ford Truck Enthusiasts Forums



Large Truck My truck is bigger than yours. The forum for 2+ ton trucks (all years), COE's, Louisville's, Big-Job's etc.

1980 F-700 Detroit Diesel ???

Reply
 
 
 
Thread Tools Search this Thread
  #1  
Old 10-12-2017, 10:57 PM
LongRider LongRider is offline
Senior User
Thread Starter
 
Join Date: Jan 2007
Posts: 188
LongRider is starting off with a positive reputation.
1980 F-700 Detroit Diesel ???

For the last several weeks, I have been driving a 1980 F-700 grain truck; single rear axle, air brakes, 5-speed and 2-speed axle.
The hood hinges and opens like a pickup truck = most inconvenient.

There is a bit of quandary about the engine in this truck; it is DEFINITELY a V-8 TWO-STROKE Detroit; we are all agreed on that.

Everything about the engine and engine bay appear to be O.E.M.; if it has been swapped in, whoever did it covered their tracks very well.

However, the only reference I can find to a V-8 Detroit in these trucks is the Detroit Diesel 8.2L "Fuel Pincher" V8, which is a 4-stroke.

The engine in this truck is definitely two-stroke.

I would think 318/8v71, but it does not appear massive enough for that.

I think this truck originated in Canada; were Detroit engines other than the Detroit Diesel 8.2L available in Canadian trucks ?

Could it be a 8V-53 ?

Thanks for reading.
Reply With Quote
  #2  
Old 10-13-2017, 06:54 AM
Nothing Special's Avatar
Nothing Special Nothing Special is online now
Postmaster
 
Join Date: Feb 2013
Location: Roseville, MN
Posts: 3,838
Nothing Special has a great reputation on FTE.Nothing Special has a great reputation on FTE.Nothing Special has a great reputation on FTE.Nothing Special has a great reputation on FTE.Nothing Special has a great reputation on FTE.Nothing Special has a great reputation on FTE.
Someone here might know about heavier trucks, but this forum is really more about the light trucks (~1 ton and smaller). You might want to try the Large Truck forum.
Reply With Quote
  #3  
Old 10-13-2017, 08:03 AM
LongRider LongRider is offline
Senior User
Thread Starter
 
Join Date: Jan 2007
Posts: 188
LongRider is starting off with a positive reputation.
Quote:
Originally Posted by Nothing Special View Post
Someone here might know about heavier trucks, but this forum is really more about the light trucks (~1 ton and smaller). You might want to try the Large Truck forum.
Thanks!; before posting, I actually looked through the index for a large truck category and did not see one; maybe I need glasses.


Maybe a nice moderator could move this to the proper place; thanks.
Reply With Quote
  #4  
Old 10-13-2017, 11:10 AM
1979 Ford's Avatar
1979 Ford 1979 Ford is online now
FTE Chapter Leader
 
Join Date: Jul 2005
Location: Not as far west as I want
Posts: 3,017
1979 Ford is a splendid one to behold1979 Ford is a splendid one to behold1979 Ford is a splendid one to behold1979 Ford is a splendid one to behold1979 Ford is a splendid one to behold1979 Ford is a splendid one to behold1979 Ford is a splendid one to behold
I’m guessing it would be a 6-71 Detroit.
Reply With Quote
  #5  
Old 10-13-2017, 11:51 AM
NumberDummy's Avatar
NumberDummy NumberDummy is offline
Ford Parts Specialist
 
Join Date: Nov 2006
Location: Simi Valley, CA
Posts: 72,654
NumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputationNumberDummy has a superb reputation
Quote:
Originally Posted by LongRider View Post
For the last several weeks, I have been driving a 1980 F-700 grain truck; single rear axle, air brakes, 5-speed and 2-speed axle.
The hood hinges and opens like a pickup truck = most inconvenient.

There is a bit of quandary about the engine in this truck; it is DEFINITELY a V-8 TWO-STROKE Detroit; we are all agreed on that.

Everything about the engine and engine bay appear to be O.E.M.; if it has been swapped in, whoever did it covered their tracks very well.

However, the only reference I can find to a V-8 Detroit in these trucks is the Detroit Diesel 8.2L "Fuel Pincher" V8, which is a 4-stroke.

The engine in this truck is definitely two-stroke.

I would think 318/8v71, but it does not appear massive enough for that.

I think this truck originated in Canada; were Detroit engines other than the Detroit Diesel 8.2L available in Canadian trucks ?

Could it be a 8V-53 ?
1980: The 4th digit of the VIN is the engine code:

Reply With Quote
  #6  
Old 10-13-2017, 12:00 PM
LongRider LongRider is offline
Senior User
Thread Starter
 
Join Date: Jan 2007
Posts: 188
LongRider is starting off with a positive reputation.
Quote:
Originally Posted by 1979 Ford View Post
Iím guessing it would be a 6-71 Detroit.
That would be a good guess were it an inline six; it is a V-8.
Reply With Quote
  #7  
Old 10-13-2017, 12:07 PM
LongRider LongRider is offline
Senior User
Thread Starter
 
Join Date: Jan 2007
Posts: 188
LongRider is starting off with a positive reputation.
Quote:
Originally Posted by NumberDummy View Post
1980: The 4th digit of the VIN is the engine code:
Thanks !

If I am reading that correctly, then it is possible that it could be a 8V71 as I first suspected; the next time I am near it I will investigate the VIN; it may be a few days as we finished that phase of things a couple days ago.
Reply With Quote
  #8  
Old 10-13-2017, 03:07 PM
KULTULZ's Avatar
KULTULZ KULTULZ is online now
Posting Guru
 
Join Date: Mar 2002
Location: W (BY GOD) V
Posts: 1,135
KULTULZ has a good reputation on FTE.KULTULZ has a good reputation on FTE.
Thumbs up

Quote:
...then it is possible that it could be a 8V71 as I first suspected...
Yes, a DETROIT V8 2-Cycle YAMAHA. They are sometimes hard to identify as they are usually covered in oil...
Reply With Quote
  #9  
Old 10-13-2017, 06:42 PM
Louisville Joe Louisville Joe is offline
Elder User
 
Join Date: Jul 2004
Posts: 751
Louisville Joe is gaining momentum as a positive member of FTE.Louisville Joe is gaining momentum as a positive member of FTE.
Wow, it would be very tough to get an 8V-71 in an F-700 without it looking like a total hack job and having half of it in the cab.

An 8V-71 is very large, has a blower sitting on top, and the valve covers are usually held on with two big hand nuts on either side.

An 8V-53 is unlikely. It would be a better fit than a 8V-71, but the 8V-53 is a very rare engine and was really only used in construction equipment.

A 6V-53 (V-6) would fit, and was used in a lot of trucks back in the 60's and 70's, Fords included.

You are sure it's a 2-stroke?

Got a picture?
Reply With Quote
  #10  
Old 10-13-2017, 07:03 PM
LongRider LongRider is offline
Senior User
Thread Starter
 
Join Date: Jan 2007
Posts: 188
LongRider is starting off with a positive reputation.
Quote:
Originally Posted by Louisville Joe View Post
Wow, it would be very tough to get an 8V-71 in an F-700 without it looking like a total hack job and having half of it in the cab.

An 8V-71 is very large, has a blower sitting on top, and the valve covers are usually held on with two big hand nuts on either side.

An 8V-53 is unlikely. It would be a better fit than a 8V-71, but the 8V-53 is a very rare engine and was really only used in construction equipment.

A 6V-53 (V-6) would fit, and was used in a lot of trucks back in the 60's and 70's, Fords included.

You are sure it's a 2-stroke?

Got a picture?

It sure looks, sounds and drives like a two-stroke.
It is definitely a Detroit.
It is definitely a V-8
Size wise, it is comparable to a 3208 CAT
At idle, it sounds like it is turning half wide open; with the least bit of throttle, it is screaming like it is going to fly apart.
To be as old as it is, it is clean as a whistle; it barely gets rid of any oil; and it uses about half the fuel some of the other diesel trucks use doing the same work.
I filled it the other day and it only held 7 gallons; two old gas-burners that had done the same work held 39 and 47 gallons.
I will try to remember to take some pictures the next time I am around it.

One thing for certain, if we are wrong and it does turn out to be a four-stroke, it sure is trying to act and sound like a two-stroke.
Reply With Quote
  #11  
Old 10-13-2017, 09:00 PM
Louisville Joe Louisville Joe is offline
Elder User
 
Join Date: Jul 2004
Posts: 751
Louisville Joe is gaining momentum as a positive member of FTE.Louisville Joe is gaining momentum as a positive member of FTE.
Reply With Quote
  #12  
Old 10-13-2017, 11:22 PM
LongRider LongRider is offline
Senior User
Thread Starter
 
Join Date: Jan 2007
Posts: 188
LongRider is starting off with a positive reputation.

Many thanks.
Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
1983 F600 8.2L replacement Ramjammerman Large Truck 10 09-25-2017 10:17 PM
Ever see a Detroit 2 stroke swap? Rusty96 1987 - 1996 F150 & Larger F-Series Trucks 20 08-29-2017 03:11 PM
Ford School Buses with Cat Diesels (1968-1990) FordMan1981 Large Truck 1 09-27-2016 08:50 PM
Detroit Truetrac whynot95 1994.5 - 1997 7.3L Power Stroke Diesel 4 06-02-2016 11:12 PM
Why are all commercial diesels "turbodiesels"? DieselCamper General Diesel Discussion 8 05-31-2016 04:11 PM


Go Back   Ford Truck Enthusiasts Forums >

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump


All times are GMT -5. The time now is 07:12 PM.