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Re: Head Identifcation
Quite a regular
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2015/2/27 8:35
From Central Coast NSW
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Just looking at the pics on Tech wiki... could be my eyes playing tricks on me and this pic is dirty compared to some clean pics so who knows...

Posted on: 2019/2/12 9:45
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Re: Head Identifcation
No life (a.k.a. DattoMaster)
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2002/10/28 6:49
From under the Firmament LOL no twiglight effect BS
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Looks like a H75 with work done to it
porting, chamber work and welded water galleries
I doubt its an a12 with that much work done to it
just to end up with a semi open chamber
H75 slightly shaved gives that

Posted on: 2019/2/13 4:43
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Re: Head Identifcation
Quite a regular
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2015/2/27 8:35
From Central Coast NSW
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Well I’ve bought it so the mystery will be solved once its shipped.....

Posted on: 2019/2/13 6:45
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Re: Head Identifcation
Home away from home
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2010/3/20 12:20
From Sydney Australia
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Bronze valve guides will not last like stock chilled cast iron nissan ones so look at wear in that area and replace with stock nissan if worn out, If as new then use till worn out and go from there

Posted on: 2019/2/23 21:54
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Re: Head Identifcation
Quite a regular
Joined:
2015/2/27 8:35
From Central Coast NSW
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Mystery solved....its an H74 round port head extensively modified from standard.
Has some corrosion on the head, is this anything to be concerned about?

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jpg  IMG_3586.jpg (87.26 KB)
18284_5c7f2421d775c.jpg 640X480 px

jpg  IMG_3590.jpg (69.51 KB)
18284_5c7f24456bff3.jpg 480X640 px

Posted on: 2019/3/6 1:37
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