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Engine Swap

 
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hopkinsr2
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Joined: 29 Apr 2017
Posts: 6
Location: deep river

PostPosted: Sun May 21, 2017 2:16 pm    Post subject: Engine Swap Reply with quote

Hi all, this is my 1st post & its a quick question. My 66 bug is still 6 volt & is just a daily driver. The engine is tired. I have the chance to get a good running dual port 1600. I really don't want to convert to 12 volt (my operating 6 volt radio still has the dealers warranty tag on it!!). Will my generator & stand fit on the dual port manifold & the dog house fan shroud?? I know about the clutch & flywheel, but that should be a straight swap, Right?? Thanks in advance, Roger....
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1300
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Joined: 29 Jul 2015
Posts: 39

PostPosted: Mon May 22, 2017 5:16 am    Post subject: Reply with quote

Yes, you can swap the 12 volt generator stand for a 6 volt no problem. You will have to determine if your current flywheel has an o-ring in it or not. Early 66 engines did not have an o-ring. If your current 6 volt flywheel has an o-ring, it will fit the 12 volt crankshaft. You will need a pack of 12 volt flywheel shims to set endplay. The 6 volt crankshaft and 12 volt crankshaft have different diameters. http://www.cbperformance.com/product-p/1362.htm. If current flywheel has no o-ring you will need to find a 6 volt flywheel with o-ring. Hope this helps, Casey
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hopkinsr2
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Joined: 29 Apr 2017
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Location: deep river

PostPosted: Mon May 22, 2017 9:30 am    Post subject: Reply with quote

Thanks, 1300.. What do you mean the 6 & 12 V cranks are a different dia?? You mean where the flywheel fits to the crank?? Or do you mean the flywheels are different dia??? Sorry, Roger.
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1300
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PostPosted: Mon May 22, 2017 10:58 am    Post subject: Reply with quote

Yes, where the flywheel mates with crank. Until April 66 there was no o-ring on flywheel. There is a step machined on end of crank. It is shallower on a non o ring flywheel, longer on a 12 volt crank, so it will sit deeper in flywheel for o ring to seal. The correct flywheel must mate with correct crankshaft. The flywheel shims are just a bit bigger on inside diameter of shim. I think they are same outer diameter. It will work with newer 1600 engine, you may need a different flywheel. What is your engine number on the 66 engine? Casey
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1300
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Joined: 29 Jul 2015
Posts: 39

PostPosted: Mon May 22, 2017 11:05 am    Post subject: Reply with quote

This should answer a few questions better. https://www.thesamba.com/vw/forum/viewtopic.php?t=650327&highlight=crankshaft+flywheel
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Roadbug
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Joined: 13 Jun 2010
Posts: 78
Location: Smoky Mountains

PostPosted: Mon May 22, 2017 12:45 pm    Post subject: 1300 Flywheel Reply with quote

Roger,
My 66 VW has the original transmission and flywheel with a 1500 engine installed as the replacement. When I had it resealed they showed me that the flywheel had been redrilled to accomodate the 1500 to the 1300 transmission. Apparently they are different.

_________________
An old car nut who got his driver's license in a new 1961 VW and has owned 10 VW's (1957-1972) since then. Favorite was the 67's (2), but the 66 is the longest owned and current VW.
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hopkinsr2
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Joined: 29 Apr 2017
Posts: 6
Location: deep river

PostPosted: Fri May 26, 2017 8:17 am    Post subject: Reply with quote

Thanks, All.. When I get the car out of storage, I'll get the eng #.. Roger
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hopkinsr2
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Joined: 29 Apr 2017
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Location: deep river

PostPosted: Sat Jun 24, 2017 7:19 pm    Post subject: Reply with quote

1300 wrote:
Yes, where the flywheel mates with crank. Until April 66 there was no o-ring on flywheel. There is a step machined on end of crank. It is shallower on a non o ring flywheel, longer on a 12 volt crank, so it will sit deeper in flywheel for o ring to seal. The correct flywheel must mate with correct crankshaft. The flywheel shims are just a bit bigger on inside diameter of shim. I think they are same outer diameter. It will work with newer 1600 engine, you may need a different flywheel. What is your engine number on the 66 engine? Casey


I found my engine # , It's H0366647,, Does that tell you anything as far as the O ring on the 6 volt flywheel goes??? Thanks, Roger
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hopkinsr2
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Joined: 29 Apr 2017
Posts: 6
Location: deep river

PostPosted: Wed Jun 28, 2017 1:28 pm    Post subject: Reply with quote

According to the data on thesamba, My engine is a 1500 that was built mid Aug 1966, does this sound right?? & if so, it should have the O ring seal, correct?? Thanks Lots , Roger...
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1300
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Posts: 39

PostPosted: Thu Jun 29, 2017 10:56 am    Post subject: Reply with quote

Yes, SHOULD be an O ring flywheel and crank. Casey
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