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Harry Ferguson Tractors Discussion Forum
:

Z134 head on a Z129 block

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Mark from the f

09-13-2007 13:01:55




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Took the ol' gas tank of my 30 in order to slosh some lacquer thinner around and clean her out.
Noticed the castings on the head as "z134####.
Since it runs so well, I assume this combination works.
Just wondered if this combination would add any improvement over original heads that came on the TO30's?
Wondered if top of head or valve set-up could possibly improve horsepower?
Thought this may be interesting to others. Mark

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Jim in OH

09-13-2007 15:24:32




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 Re: Z134 head on a Z129 block in reply to Mark from the fort, 09-13-2007 13:01:55  
Hi Mark.. Great to know this! The Z134 shares all of the same components with the Z129 (valves, springs, rocker shaft, rockers, etc.). If I remember a previous discussion, the question came up about differences in castings which could not be answered. It is great to know that the Z134 head will work on the Z129 block, but I suspect that there are still some small differences (or they would have used the same casting) and these could be anything... maybe combustion chamber volume (compression ratio), flow clearances around the valves... don't know.. But again.. Great News! And if there are differences, I suspect they are improvements.... Thanks for sharing this JIm

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