25hp industrial motor?

52 split · Posted: Wed Aug 04, 2010 5:42 pm Post subject: 25hp industrial motor?

hello all what is the difference in a 25hp industrial motor and a car motor?.i have a chance to buy one for a spare for my 52 or should i even bother with it? and can you make it look correct for the year? thanks

tstracy39 · Posted: Wed Aug 04, 2010 6:44 pm Post subject:

If it's the same configuration as the later industrial engines, the crankshaft and connecting rods can't be used in a non-stationary (IE vehicle) application. Carburetor and distributor will probably be different too. Expect to only be able to use the case, pistons/cyls, cylinder heads etc.
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hazetguy · Posted: Wed Aug 04, 2010 6:49 pm Post subject:

tstracy39 · Posted: Wed Aug 04, 2010 6:52 pm Post subject:

hazetguy · Posted: Wed Aug 04, 2010 6:57 pm Post subject:

interesting. i have never heard of that nor seen pics of that. any further info about it? i would like to see pics. are you talking about a roller crank?
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tstracy39 · Posted: Wed Aug 04, 2010 7:28 pm Post subject:

BUGBOY1976 · Posted: Wed Aug 04, 2010 7:52 pm Post subject:

I have a 36hp motor and its rated as a 25hp and this is only due to the fact that the mag will only let it rev to a certain rpm. Saying this thats why its rated as 25hp.

HeSa · Posted: Wed Aug 04, 2010 11:13 pm Post subject:

25 hp industrial engines are the same as car engines. I have owned 5 of them. The only parts you need to change are the carb jets and in some cases the valve springs.

IN2VWS · Posted: Thu Aug 05, 2010 1:33 am Post subject:

The internals of 25 and 36hp engines, are the same as the car engines.
To answer the OP, yes it can be used in a car. You just need a dizzy and carb from a car.
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usariemen · Posted: Thu Aug 05, 2010 4:05 am Post subject:

I drove all kinds of industrial engines in cars.
As written, beside carb details, distributors and sometimes tin details,
they are the same as car engines and can be used without problems.
You just will have a 122-.... number on them.
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1500king · Posted: Thu Aug 05, 2010 6:02 am Post subject:

vwrobert · Posted: Thu Aug 05, 2010 6:06 am Post subject:

I run a NOS industrial motor from a firepump in my vert, It was stored in Sweden for 40 years no hours on the timer. I fitted it and found that it wouldnt run above 1500rpm so i fitted an Okrasa cam and it runs like a dream.

So YES you can use an industrial motor in a car.
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splitjunkie · Samba Member Joined: April 04, 2006 Posts: 4091

as has been stated, the distributor, carb need to be changed. I have heard that the camshaft is different as well but other than that all of the internals are the same.
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coad · Samba Scapegoat Joined: September 12, 2002 Posts: 7552

splitjunkie · Samba Member Joined: April 04, 2006 Posts: 4091

You are right. I have only heard that about the cam shafts, I don't know that for a fact. Seems like I have seen some info on the industrial engines somewhere. I will have to dig and see if I can find it.

Edit: Found the '56 industrial engine parts manual.

The part numbers are the same for the cam so that must just be a myth. At lease for '56.

Image may have been reduced in size. Click image to view fullscreen.

Here is the complete manual.

http://www.thesamba.com/vw/archives/manuals/july56_industrial.php
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splitjunkie · Samba Member Joined: April 04, 2006 Posts: 4091

another interesting tidbit.

Look at item 1 and the two options above it.

- 160 watt generator

- 90 watt generator

1 generator housing with shaft. For applications where you didn't need a generator.

[url][/url]
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splitjunkie · Samba Member Joined: April 04, 2006 Posts: 4091

vwrobert · Posted: Thu Aug 05, 2010 10:09 am Post subject:

I used some of the pump tinware and some off my original motor, as i previously stated i swapped out the cam and found that i had better Revs when i accelerated, not sure if it was the cam but it worked, I used the OG carb no new jets and otherwise i made no other alterations.

I have the NOS pump cam sitting here on a shelf, it has the same part number as previous post.
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IN2VWS · Posted: Thu Aug 05, 2010 2:16 pm Post subject:

52 split · Posted: Thu Aug 05, 2010 7:01 pm Post subject:

great info guys, looks like i will pick this motor up. it does need 1 piston cylinder set. are they the same size as in a car set up and what size should they be. i have not seen this motor only verbal over the phone. all info will be greatly appreciated. thanks again Very Happy


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