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sled
Samba Member
Joined: February 16, 2005
Posts: 6179
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 Posted: Fri Jan 20, 2017 11:34 pm Post subject: 25hp air direction vanes |
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can someone tell me if these are a necessity on a 25hp? (part #34)
they were omitted in later engines
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usariemen
Samba Member
Joined: August 28, 2004
Posts: 1745
Location: Germany
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| Posted: Sat Jan 21, 2017 4:11 am Post subject: Re: 25hp air direction vanes |
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Purists use them still.
I would think VW dropped them later for a reason.
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Bengt H
Samba Member
Joined: September 11, 2005
Posts: 332
Location: Sweden
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| Posted: Sun Jan 22, 2017 8:48 am Post subject: Re: 25hp air direction vanes |
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| I think the later ones on the underside of the cylinders are better. When I restored the engine of my -49 I removed them in favor for the late ones. |
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splitjunkie
Samba Member
Joined: April 04, 2006
Posts: 4094
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| Posted: Sun Jan 22, 2017 9:06 am Post subject: Re: 25hp air direction vanes |
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| usariemen wrote: |
Purists use them still.
I would think VW dropped them later for a reason. |
The ones that mounted on the top were replaced by the ones that go on the bottom.
You have to have one or the other or risk overheating problems.
The later bottom mounted ones continued all the way until the end so it was obviously the better of the two.
If you want an engine to be period correct then you should use the top mounted ones.
If you want your engine to be more reliable then you have to use the lower mounted ones.
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Chris
You know, a lot of these scratches will buff right out... Jerry Seinfeld |
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rod_vw
Samba Member
Joined: December 20, 2006
Posts: 416
Location: Shropshire, UK
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| Posted: Mon Jan 30, 2017 4:13 pm Post subject: Re: 25hp air direction vanes |
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I have the later type in the engine for our '46 in the hope that I will not experience any overheating problems. Time will tell!
Although much of the tinware was of a very early type the air deflectors had already been changed for the later type by some past owner.
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