Classic cars forum & vehicle restoration.
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prefect01
Joined: 23 Aug 2011 Posts: 54 Location: Australia
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Posted: Wed Aug 24, 2011 4:40 am Post subject: Willment powermaker for ford 10hp motor |
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Hi all i am having a willment powermaker made by a family friend has anyone got the Spec's on size of bolts valves etc i can't find anything in my book or on the net all i need are the spec's on the powermaker so i can get a copy made to use on my 2 door anglia and i have a prefect sedan getting Aquaplane gear put on soon and i want to see how much power each can put out Thanks |
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ka
Joined: 03 Dec 2007 Posts: 600 Location: Orkney.
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Posted: Mon Dec 26, 2011 5:58 pm Post subject: Willment |
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I know this is an old post, but do you mean the overhead inlet valve conversion, or alternatively, what is a powermaker`?
As for the Aquaplane, good inlet manifolds to run either downdraft solex, or twi SU,s, good manifold, head not worth the effort as a good 8hp head has the same effect, (although with the Aquaplane head being aluminium it is easy to machine). I have a 8hp head -40thou, that gives good compression.
More information if required...... |
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prefect01
Joined: 23 Aug 2011 Posts: 54 Location: Australia
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Posted: Thu Dec 29, 2011 10:23 am Post subject: |
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Hi yes it is the overhead inlet valve conversion and the name of it is willment powermaker it looks like this when on the motor ***Note its off the net and not the best pic ***
I have been told there hard to find so i am going to make one and i am also going to try the 8hp head on another motor in another prefect see which car is better |
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ka
Joined: 03 Dec 2007 Posts: 600 Location: Orkney.
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Posted: Sat Dec 31, 2011 6:09 pm Post subject: OHIV |
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There is an alternative to this, the Wilment head can be fitted with twin carbs, or alternatively there is another period manufacturer of OHiV heads, the name escapes me at the moment, but I will research and post the name. I have a colleague who runs this head on his 100e motor, produces closer to 70bhp, on a Morgan it goes quite well!
I can get more details if required. |
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Geoffp
Joined: 27 Nov 2007 Posts: 336 Location: South Staffordshire
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Posted: Sat Dec 31, 2011 7:27 pm Post subject: Re: OHIV |
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ka wrote: | There is an alternative to this, the Wilment head can be fitted with twin carbs, or alternatively there is another period manufacturer of OHiV heads, the name escapes me at the moment, but I will research and post the name. I have a colleague who runs this head on his 100e motor, produces closer to 70bhp, on a Morgan it goes quite well!
I can get more details if required. |
Could it be Aquaplane? They did an alloy head but I think that it was still side valve and they also did a twin SU conversion. I believe that you could also get the full conversion for a Morgan 4/4.
Geoff |
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ka
Joined: 03 Dec 2007 Posts: 600 Location: Orkney.
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Posted: Wed Jan 04, 2012 7:44 pm Post subject: OHiV |
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Either inspiration, or the normal achohol consumption following Hogmanay has helped the grey matter. The other OHiV conversion available was the
Elva, which was similar in principle to the Wilment, but as I understand there needs to be machining to the pistons for the valves. Besides the power increase from the OH valve arrangement, the heads also have rocker arms longer on the valve side, so in effect they have a higher inlet valve ratio to standard, giving a higher lift. |
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