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Robyn
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Loc: Northern California
A true FORD V8 DI Diesel..the V-636
#604248 - 12/29/01 05:23 PM

Does anyone know much about the Ford V-636 Diesel Engine? I don't think this is an International motor, whose current diesel engine supplier relationship with Ford began in 1982. I am under the belief that the V-636 is a true FORD DIESEL... in use in 1979 and prior, and probably since, but I don't know when it was discontinued.

Here is what I do know about it: It is a Direct Injection, 90 degree, 4 stroke cycle, overhead valve design having one intake and one exhaust valve per cylinder. The camshaft, geared and timed to the crankshaft, actuates rocker arms and valves through mechanical lifters and push rods. There is a single rocker arm shaft for each head that is mounted in an aluminum support which spaces the rocker arms. The firing order is 1-2-7-3-4-5-6-8. The pistons are numbered just like the PSD.

This V-636 Ford Diesel was used in Ford B/C/F/LN-7000, and C/CT/L/LN/LNT/LT/LTS-8000 medium duty trucks over twenty years ago.

Anyone know what happened to this motor? Anyone still running one?

What would Ford-Diesel.com be without a trivia discussion on a true Ford Diesel?

David Armstrong
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Re: A true FORD V8 DI Diesel..the V-636 new
#604265 - 12/29/01 05:48 PM

I believe the V636 is/was a CAT engine...

I did a search for V636 and got alot of 'CAT' references...

Rodney R
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Loc: Hamburg, PA
Re: A true FORD V8 DI Diesel..the V-636 new
#604326 - 12/29/01 07:29 PM

Yea, it sounds to me like this is the 3208 CAT. Seems to fit the description rather well, along with the dates of use. If I'm not mistaken, they started using them in the '74 model year? My grandfather bought a new LNT-900 in the beginning of the '74 model year, and it has the 534 V-8 GAS. Always said if he would have waited a few months, he could have gotten the CAT, not that it would have been much better, particularly the early ones.....

Rodney

Dave Haven
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Loc: Near Flagstaff, AZ
Re: A true FORD V8 DI Diesel..the V-636 new
#604350 - 12/29/01 08:07 PM

Yeah, what Rodney said. The description sounds exactly like a 3208. The Cat 3208 is a 636 cubic inch V-8. It fits the description, and Ford used a lot of 3208s in their 7 (and above) series trucks.
FWIW
DH

Birken Vogt
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Posts: 4431
Loc: Penn Valley, Ca
Re: A true FORD V8 DI Diesel..the V-636 new
#604605 - 12/30/01 03:03 AM

I never knew what displacement the 3208 was till this...I suppose I could have looked it up but I never did. 636, wow! That is 10.4 liters...these things have the same super low performance as the 9 liter Internationals and the 8.2 liter Detroits, it's just that the displacement is so big that it can't help but produce some horsepower. I always just assumed it was in the 8 liter range, but 10.4, that is a new power/displacement low. Oh, well. At least they were somewhat good motors.

Birken

Robyn
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Loc: Northern California
Re: A true FORD V8 DI Diesel..the V-636 new
#604623 - 12/30/01 05:13 AM

So, even though Ford, during those same model years, offered a Caterpillar engine in the L and LT series trucks by the name of Caterpillar, Ford also re-branded a different Caterpillar engine under the "Ford" name?



DUKES2FORDS
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Posts: 6896
Loc: PA
Re: A true FORD V8 DI Diesel..the V-636 new
#604874 - 12/30/01 02:28 PM

Robyn,

Not sure about the 636 V-8 diesel. But it does sound like a 3208 Cat and about the same time it was offered.
Ford did make a truck diesel the 6.6 litre tractor & truck motor found in medium duty F-700, 800 etc in the 80's. Not sure when they stopped making them but I had one.

HVAC
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Posts: 770
Loc: Half Moon Bay, CA
Re: A true FORD V8 DI Diesel..the V-636 new
#604911 - 12/30/01 03:43 PM

I doubt you'all are gonna believe this... but I know a dude with at 3208 in a early 80's vintage cheby 4x4. It's lifted, has military Xnsfer case, huge tires, 9 speed Fuller (?), twin turbos (not staged, one for each side).

I know you won't believe this so I'll have him email me a pic. The guy is an ex Cat mechanic for Holt Brothers in Stockton CA.
Now he owns/runs a dyno shop.

Now that's a cheby diesel I'd get excited about!

DUKES2FORDS
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Posts: 6896
Loc: PA
Re: A true FORD V8 DI Diesel..the V-636 new
#604992 - 12/30/01 05:54 PM

HVAC,

I believe you.
California is like a different world from the rest of the US.

Everything is "supersized" out there.

I went to a buddy's wedding in summer of '98.
I found out the true meaning of "silicon valley".



highest_vision
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Posts: 4159
Loc: Loveland/Maineville OH
Re: A true FORD V8 DI Diesel..the V-636 new
#605307 - 12/30/01 11:41 PM

I want to see those pics! That sounds pretty cool. Anybody remember that polarchief guy that said he put one of these in place of a psd? Maybe that was more realistic than I thought.
James

sbrem
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Posts: 676
Loc: Guilford Vermont
Re: A true FORD V8 DI Diesel..the V-636 new
#605520 - 12/31/01 10:06 AM

I believe you. Just about anything is possible to do with time and money. I would love to see pictures of it.

Stephen

Red Horse
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Loc: Bolton, MA USA
Re: A true FORD V8 DI Diesel..the V-636 new
#605664 - 12/31/01 12:55 PM

No ifs ands or buts! The V-636 was/is a 3208. except when Ford was installing them, they were painted blue. At the same time, Cat was refering to them as their 1100 series- ie 1160 etc. I don't know what year Cat made the change in nomenclature to 3208. Also they were first offered by Ford I in 1968 in the old F series- that is the "big" F series which in gas versions were F-850, F- 950, C-850, C-950. The 636 powered versions were C-8000, F-8000.



Louisville Joe
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Re: A true FORD V8 DI Diesel..the V-636 new
#609028 - 01/03/02 11:59 PM

Red Horse is right. The 636 is the old Cat 1140/1150/1160. I think that Ford may have had something to do with these engines, as Ford was the first to use them, as I remember, and the very early ones were painted 'Ford Blue', and I don't think they said 'Cat' on them anywhere. Whatever you call them, V-8-636/1140/3208, there were a pretty good engine. Very smooth, quite, and powerful.














L. Wilkinson
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Posts: 820
Loc: Abbotsford, Canada
Re: A true FORD V8 DI Diesel..the V-636 new
#609321 - 01/04/02 11:39 AM

Some details on the internals. Cat deployed a low friction, "two ring" piston in these engines. Just one oil control and one compression. Hence the vast clouds of unburnt white fuel vapours after they sit idling and then get worked. Steady combustion pressure holds the compression ring in good contact, idle doesn't. The fuel pump is a V8 configuration, sleeve meetering. The pencil injectors were choosen as a cheap, "throw away" approach to fuel systems, but have ended up costing near to the same as traditional styles. If you ever have one apart and are considering having a crankshaft straightened, don't! Cat doesn't recomend it with good reason, as they are prone to fracture(been there, done that). Hence an engine with severe bottom end wear has to be looked at carefully to assess crank reusability. Otherwise they're pretty much like any other Cat product, bullet proof.

Birken Vogt
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Posts: 4431
Loc: Penn Valley, Ca
Re: A true FORD V8 DI Diesel..the V-636 new
#609379 - 01/04/02 12:27 PM

I would take issue with the "powerful" assertion. OK, they have got enough power to move a medium duty truck along. But they are 636 cid, that is 10.4 liters. And I think the highest road horsepower was somewhere around 250 when turbocharged? That's less HP/liter than a NA 6.9L. Granted, the 6.9 turns faster but that is still turbo vs NA. What is the turbo even doing up there?

One thing I will say is the smooth quietness is the best I have ever seen. Why couldn't they all be that way? When people say a clackety old PSD is quiet they need to take a look at a 3208.

Also, the hill grinding torque is great, making it rarely necessary to shift the gears if you are willing to go a little slower, probably the huge displacement helps with this

I love 3208's really, I just wish they had been a little spunkier

Birken

L. Wilkinson
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Re: A true FORD V8 DI Diesel..the V-636 new
#609557 - 01/04/02 03:57 PM

I dare say Cat has provided ample durability in this package to allow a motivated party to increase rack settings considerably (as easy, if not more so to adjust than our DB2 pumps). As well this engine has had amazing amounts of power produced in the marine versions which places heat loads on the cooling circuits that automotive can't as easily match, but regardless would indicate the basic configuration can handle some higher BMEP than 250hp. Traditionally Cat truck engines run the best when the fuel screw is backed out, or removed, and the operator runs accordingly.

Diesel JayModerator
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Re: A true FORD V8 DI Diesel..the V-636 new
#609574 - 01/04/02 04:28 PM

Good example here

Best Regards,
Jay

Louisville Joe
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Re: A true FORD V8 DI Diesel..the V-636 new
#609601 - 01/04/02 05:20 PM

I think 250 was about it on the highway. The fleet that I work for has had loads of them, and many were 250 rated in 1986-88 G.M.C. TopKicks with MT653D's. Overall, a pretty decent package. I say that they were powerful, compared to the 3208's contemporaries, namely the Detroit 8.2L and the IH 9.0L. We did O.K. with the non-turbo 8.2L's, but I know it was hard to keep head gaskets in the 225+ turbo jobs. The 9.0L was a dog, period. Why someone would want one ovewr a 466 is completely beyond me. I think the 3208 even compared favorably to the Ford-New Holland's. They seemed to run about like the 8.2's, and seemed to leak oil about as bad, but had the added feature of being so heavy that the front springs in your F-700 were wasted at 30,000 miles........


Louisville Joe
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Re: A true FORD V8 DI Diesel..the V-636 *DELETED* new
#609602 - 01/04/02 05:20 PM

Post deleted by Diesel Jay

Birken Vogt
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Loc: Penn Valley, Ca
Re: A true FORD V8 DI Diesel..the V-636 new
#609932 - 01/04/02 10:43 PM

Joe,

You're singin' my song. There is a major difference between the 3208 and the 8.2, and that is, the 8.2 needs lots more RPM to run. With an automatic all the banging back and forth between gears is downright painful. The 3208 is able to hold a gear much, much longer. The darn 8.2 runs up around 3100 rpm where 2700 (can't quite remember) is about it for a 3208.

I also hate 9.0L engines as much as anyone.

I don't have any experience with non-turbo 8.2's but I also know that the turbo ones like to burn up injector cups. Haven't seen one blow a head gasket but I know we are getting rid of them rolling scrap heaps one by one and all that are left are relegated to reserve-reserve status.

One guy I know has 2 fire engines in his station, an '84 with an 8.2 and a '78 with a GAS 427!!! Guess which one he takes out more...

(Personally I think he is crazy, I the detroit is bad but it is not as slow as that darn 427.)

Birken

salvage1
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Reged: 01/21/01
Posts: 662
Loc: Archer, FL, USA
Re: A true FORD V8 DI Diesel..the V-636 new
#611477 - 01/06/02 08:15 PM

the 3208 can be had as a 300hp in a motorhome with an aftercooler,and 3 ring pistons....

The Warden
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Loc: Palo Alto (SF Bay Area), CA
Re: A true FORD V8 DI Diesel..the V-636 new
#615906 - 01/11/02 03:53 AM

Here's a weird question

Where'd Caterpillar get the number "3208" from? I'm guessing the "08" means it's a V-8, but what about the 32?

Thanks in advance

Birken Vogt
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Re: A true FORD V8 DI Diesel..the V-636 new
#616258 - 01/11/02 02:11 PM

For a while cat was using the 4-digit system to number all their engines. I think they all started with a "3" also. So you have a 3, the engine series number, then a third number which I will explain later, then a number that is based on the number of cylinders.

The third digit can either be the number of cylinders' tens digit, or be a number designating some kind of sub-revision.

Most, though not all engines sharing the same number will have the same displacement.

3208:V-8 10.4L engine, T if turbo
3116:I-6 6.6 (?) liter engine
3126:I-6 7.? liter engine
3406:I-6 various displacements
3204:It exists, was used in motor graders, I assume it is a half 3208
3618:Ship engine, V-18, 18.5 liters per cylinder, 7000 horsepower

Nowadays they are starting to call some engines C-10, C-12, C-15 which I understand may be versions of 3406'es

Birken






Jim Z
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Loc: St. Clair Shores, MI, USA
Re: A true FORD V8 DI Diesel..the V-636 new
#616839 - 01/12/02 01:42 AM

3116:I-6 6.6 liter engine
3126:I-6 7.2 liter engine
3406:I-6 14.6 and 15.8 liter engine

Nowadays they are starting to call some engines C-10, C-12, C-15 which I understand may be versions of 3406'es

The C-10 and C-12 are newer engines and have never had the 4-digit model number. The C-15 is an updated 3406E.

The Warden
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Re: A true FORD V8 DI Diesel..the V-636 new
#616863 - 01/12/02 04:21 AM

Thanks for the info :)

Red Horse
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Re: A true FORD V8 DI Diesel..the V-636 new
#617536 - 01/12/02 11:36 PM

Jim Z I believe the C-12 is a newer version of the 3176.

Jim Z
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Re: A true FORD V8 DI Diesel..the V-636 new
#617551 - 01/13/02 12:00 AM

Gaahh!! I totally forgot about the 3176. You're right of course.

traut
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Re: A true FORD V8 DI Diesel..the V-636 new
#617654 - 01/13/02 04:26 AM

With a couple of exceptions noted below, Caterpillar is designating current on highway engines with a "C" prefix. There is a traditional numerically labled industrial counterpart for each one.

C-10: (third gerneration 3176, 1.7 liters per cylinder); industrial equivalent: 3176C (as used in D7R tractor).

C-12: larger displacement C-10; industrial equivalent: 3196.

C-15: second generation 3406E; industrial: still called a 3406E (D8R).

C-16: larger displacement C-15; industrial: 3456 (988G wheel loader).

The two exceptions to this are:
1) 3126(A,B, or E) are known as 3126(A, B, or E) in both on highway and industrial.
2) C-9. This is a just released engine (8.8 liters). It is known as a C-9 in both on and off highway applications.






Pat Dolan
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Re: A true FORD V8 DI Diesel..the V-636 new
#630736 - 01/26/02 02:15 PM

The first two digits are the engine (cylinder) family from the last generation of CAT nomenclature. For example, 33's could be either a 3304 or 3306 depending on number of cylinders and 34's could be the common 3406 in a Class 8 highway tractor or a 3412 in an off-road vehicle, and so on. Kind of like the DDA version of cylinder displacement (53, 71, 92) as in 6-71 for an inline 6 and 8V-71 for a v-8, each from the engine family of the same bore x stroke.

Johnboy3
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Re: A true FORD V8 DI Diesel..the V-636 new
#631184 - 01/27/02 12:15 AM

Has anyone ever heard of a 1150 Cat V-8 Engine? If so, anyone have some info on them?

Thanks

Nick Gerard
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Loc: Concordia, KS & Rolla, MO
Re: A true FORD V8 DI Diesel..the V-636 new
#631750 - 01/27/02 07:38 PM

I guees that explains why 3208 engines have FOrd Industrial style part numbers.

Dave Haven
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Loc: Near Flagstaff, AZ
Re:CAT 1150 new
#631918 - 01/27/02 10:00 PM

In reply to:

Has anyone ever heard of a 1150 Cat V-8 Engine? If so, anyone have some info on them?


My Uncle put one in his F-350. He later replaced it with a 3208. According to him, the 1150 was a predecessor to the 3208 - same mechanical engine; different model designation. As I recall, the 1150 had a rotary distributor-type injection pump similar to the Stanadyne; the 3208 has a "V-8" piston-type injection pump.
Sorry I can't offer more information.
DH

2cycle
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Posts: 91
Loc: Charleston,SC
Re:CAT 1150 new
#633028 - 01/28/02 10:46 PM

I sure do miss the old 300 engine series!

OOPS... startin to sound like an ol'fart again.

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