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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Sun Aug 05, 2018 7:59 pm Post subject: do okrasa valves fit stock 36hp heads? |
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I'd like to fit the Okrasa size 33mm intake valves to my stock heads, will they fit? And if not what are people using?
It sure would be easy if I can just order the valves, keepers, and springs from WW and be done.. _________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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RichardinNZ Samba Member
Joined: September 16, 2011 Posts: 280 Location: Auckland, New Zealand
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Posted: Sun Aug 05, 2018 8:53 pm Post subject: Re: do okrasa valves fit stock 36hp heads? |
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I had to have new seats installed in my stock heads to fit 33mm intake valves. However, I have read of others managing to install them with stock seats. _________________ Richard
'58 Beetle; NZ Assembled
Dual Carb 36hp
My Car https://www.thesamba.com/vw/forum/album_page.php?pic_id=1750253 |
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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Wed Aug 08, 2018 6:17 pm Post subject: Re: do okrasa valves fit stock 36hp heads? |
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I think I should have been more specific..
Will these valves fit a stock VW 36 hp head? These are the Wolfsburg West replacement valves for their Okrasa heads.
http://www.wolfsburgwest.com/cart/DetailsList.cfm?ID=111109601AOK
I would like to have the larger intake installed on stock heads, but finding the parts to do it is elusive. _________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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RichardinNZ Samba Member
Joined: September 16, 2011 Posts: 280 Location: Auckland, New Zealand
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Posted: Thu Aug 09, 2018 3:37 am Post subject: Re: do okrasa valves fit stock 36hp heads? |
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My understanding is that the Okrasa valves are 33mm .... So the same as I installed. Mine came from Aircooled Research. I had my stock heads modified rather than use Okrasa heads. _________________ Richard
'58 Beetle; NZ Assembled
Dual Carb 36hp
My Car https://www.thesamba.com/vw/forum/album_page.php?pic_id=1750253
Last edited by RichardinNZ on Thu Aug 09, 2018 3:56 pm; edited 1 time in total |
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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Thu Aug 09, 2018 2:57 pm Post subject: Re: do okrasa valves fit stock 36hp heads? |
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RichardinNZ wrote: |
My understanding is that the Okrasa calves are 33mm .... So the same as I installed. Mine came from Aircooled Research. I had my stock heads modified rather than use Okrasa heads. |
I'm wondering if the Okrasa stem length and diameter are the same as stock? You would think that the guys at Wolfsburg West would know, but they're being jerks about answering my questions, even though it would get them a sale.. _________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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RichardinNZ Samba Member
Joined: September 16, 2011 Posts: 280 Location: Auckland, New Zealand
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Posted: Thu Aug 09, 2018 3:53 pm Post subject: Re: do okrasa valves fit stock 36hp heads? |
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I cannot confirm but thought yes. However why not make contact with Matthew at Aircooled Research and get some 33mm valves from him. Subject to the seat they will do what you want to achieve. I've included some more about my heads in the link in my signature. _________________ Richard
'58 Beetle; NZ Assembled
Dual Carb 36hp
My Car https://www.thesamba.com/vw/forum/album_page.php?pic_id=1750253 |
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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Thu Aug 09, 2018 5:42 pm Post subject: Re: do okrasa valves fit stock 36hp heads? |
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Thanks for the info Richard. I did ask Matt, but have not heard back. I'll update when I do figure it out..
SD _________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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Robert Chambers Samba Member
Joined: August 11, 2005 Posts: 216
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Posted: Fri Aug 10, 2018 7:38 am Post subject: Re: do okrasa valves fit stock 36hp heads? |
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I had new seats installed in my stock 36 HP heads for the WW 33 mm Okrasa intake valves. Some blending was needed after the seats were installed as the seats were slightly bigger in diameter. Fit was perfect. New guides and exhaust valves were also installed with all new springs. I lapped in the valves, checked for equal height on the valve stems and performed some minor porting and port matching. The heads look great! I hope to assemble the engine this Winter. _________________ '63 OG 117 Herbie Replica
'56 Euro Oval Deluxe
'52 Standard Zwitter
'63 OG 117 |
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txoval Samba Member
Joined: January 23, 2004 Posts: 3540 Location: The Woodlands, TX
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Posted: Sat Aug 11, 2018 11:46 am Post subject: Re: do okrasa valves fit stock 36hp heads? |
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Matthew did my heads as well, I sent him the WW Okrasa valves and he did the rest
Stem diameter and length were same as stock |
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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Sat Aug 11, 2018 11:50 am Post subject: Re: do okrasa valves fit stock 36hp heads? |
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txoval wrote: |
Matthew did my heads as well, I sent him the WW Okrasa valves and he did the rest
Stem diameter and length were same as stock |
Funny, he literally just responded to my email, with the same info.. _________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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