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  #1  
Old 02-28-2011, 06:25 PM
tlfrantz tlfrantz is offline
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477-534 Ford industrial engines

Guys,

Have a question about a 477-534 Ford industrial engine.
My flexplate is shot (holes wallowed out from loose bolts) and was wondering where to get another one. I need the ring gear (part no.C2JZ6375C) and the three flex discs.
Also, how do I id my engine? Where is the id tag located?

Lastly, how do I time the flexplate/ring gear to the engine? The ring gear has a weight at the perimeter and the bolts holes all look equally spaced, so I have six ways to bolt this on.

Thanks!
Tommy
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  #2  
Old 02-28-2011, 10:12 PM
awhtx awhtx is offline
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I can't help with the flexplate but i can tell you that every Ford engine I ever worked on had those 6 crankshaft holes un-equally spaced. There is only one position where all 6 of the crankshaft/flywheel holes all line up. They may appear at a glance to be equally spaced but I bet you they are not.
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  #3  
Old 02-28-2011, 10:29 PM
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As far as figuring out which engine you've got, I found out mines CI by crossing the carburetor with holley. But im sure you can find out other ways.. VIN? S/N?

That flex plate is going to be pretty tough to find. Have to keep looking around the commercial truck salvage yards.. maybe some craigs list searching.. Good news is those old super duty engines are dirt cheap used. Once you find what you need that is.
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Old 03-01-2011, 04:14 AM
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a question?

You say flex plate. So I take it you are running an automatic. Memory
I remember during the time of 477s 534s etc was Transamatics usually
6speed MT series. I quite sure that was an Allison part, although it would
have a Ford p/n on it. What holes are wollowed out? Crank or converter?
These engines are externally ballanced so a flex plate or flywheel goes
on one way. Last one we did was a 6-71DD flywheel that ran loose and
also got egged out. That was no big deal-the holes were reamed a little
pressed dowls in and redrilled the holes. But it was all done on a J head
Bridgeport with a big *** dividing head. On this method with a flex plate
the orientation of the weight must be maintained that has to be relocated. I may be totally off track, but I think this you are talking about. I would do an Allison search first. best of my knowledge I never
heard any other automatic in a Ford but an allison. Ill go to the big
book today its got a big section on this subject.
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Old 03-01-2011, 07:36 AM
tlfrantz tlfrantz is offline
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477-534 Fords

The converter holes are egged out, both in the ring gear holes and the flex plate holes. The crank holes are fine.
This engine and trans is the power unit from an airport fire truck, and I just want to get it running for my own grins & giggles.
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Old 03-01-2011, 10:07 AM
dmanlyr dmanlyr is offline
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It should be a MT-42 behind that superduty. As suggested, try Allison first, but since it is the converter bolt holes, you may be able to have it welded and redrilled.

The balance weights should be on the flex plate only, and the converter neutral balance? , therefore the holes only have to be spaced properly from the centerline, but actual converter indexing is not critical? Or? unfortuantly I only have 330 - 391 direct Allison experence so I not speaking actual hands on truth. ??


David
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Old 03-01-2011, 11:50 AM
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Quote:
Originally Posted by tlfrantz View Post
Have a question about a 477-534 Ford industrial engine. My flexplate is shot (holes wallowed out from loose bolts) and was wondering where to get another one.

I need the ring gear (part no.C2JZ-6375-C ) and the three flex discs. Also, how do I id my engine? Where is the id tag located?
Welcome to FTE

This industrial flywheel part number is not correct if the engine is installed in a truck! And, it's not considered an industrial engine if installed in a vehicle.

6375 is the Ford basic part number for a flywheel (Ford does not use the term flexplate, flywheel is used if A/T or M/T) / 6384 is the basic number for a flywheel ring gear, but...

Ford did not supply a ring gear for an A/T flywheel with gas engines. Only for M/T's with gassers.

Please, when asking questions, list all the pertinent info: Year, Model, Series, (Engine/Trans and etc. if applicable).

A fire truck could one of several series, so please post the VIN...if the truck the engine came from is still extant. When decoded, that will give the series, engine size, year and etc.

Transmatic is Ford's name for the Allison A/T trans, and depending on the year, it could be one of 5 different models, with 4 different flywheels.

Post the TRANS code as listed on the Warranty Plate...if the vehicle is still extant.

The engine ID tag was bolted either to the coil bracket or to the intake manifold adjacent to the distributor. By now, it's prolly missing.

If the vehicle is not extant...do you recall the year? And if 1973 and later, if it was a C Series Tilt Cab, F Series, L Series, or?

Is there a P.T.O. present?
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Old 03-02-2011, 10:43 AM
tlfrantz tlfrantz is offline
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Good news!

Good news! I have some numbers!
The truck is a Walter Motor Truck model BFGL, ser. 675615.

The engine is an industrial engine (says so on the data plate on the oil pan)

type B8PN-6005-H, ser. 8086-L16KH, options SO-147OA

The carb has a Ford no. of C7JZ GA 7BD

I looked at the flex plate more, and the flex plates are indexed to the crank hub, but I can't tell if the flex plates are indexed to the ring gear. The holes line up in all six positions, but I think its because they're egged out.

Tommy
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  #9  
Old 03-02-2011, 11:30 PM
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If you call holley's tech support and give them the list number that's on the throat of the carb. should be right under that ford number, they'll tell you what that carb was for.

Of course this method of engine id is kinda dependent on the carb being original. Which after all this time is kinda a long shot. But hey it might be.

Its how I figured out I had a 361 not a 391, and that I had a 477 not a 534.. Been helpful to me. But that was before I was talkin with people on here. These guys seem to be able to crack most of the numbers.
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Old 03-03-2011, 01:13 PM
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Carb ID number: C7JZ-GA: C7 = 1967 / J = Industrial / Z = Ford part (as opposed to L/M which uses a Y). GA is the application.

7BD: Assembled the 2nd week (B) of April (D), 1967 (7).

I'm surprised the truck has an industrial engine. Most times, Ford sold a 'rolling' truck chassis to body makers, who installed their own body.

In this case, it seems that Walter assembled the entire vehicle, buying the engine (and etc) separately.

I cannot help you...you will need to find someone with a 1960's Ford Industrial Parts Catalog. Industrial specific parts are not listed in Ford truck parts catalogs.

I ran the C2JZ-6375-C flywheel part number on the FoMoCo Dealer Parts Locator System and the website the Ford obsolete parts vendors are listed on.

No FoMoCo Dealer or obsolete parts vendor has any.
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  #11  
Old 03-16-2011, 11:32 PM
tlfrantz tlfrantz is offline
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534 ring gear

Well, after completely striking out trying to find another ring gear, I ended up fixing the one I have. I figured out the proper orientation of the weight, lined everything up and welded the flex plates to the ring gear. Hope it all works as planned,, we'll see.

Thanks again for all the advice and part number chasing!!

Tommy
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Old 03-17-2011, 12:31 AM
deere81 deere81 is offline
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I have a 534 and Allison MT42 with 27,000 miles removed from a 1972 C-cab Firetruck. I'd be interested in parting with the flexplate and Allison, if I had a manual transmission and flywheel to fit the engine.
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Old 03-17-2011, 12:31 AM
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