Joined: Aug 2017 Posts: 2,928 Threads: 160
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Location: Sherwood Forest
Car type: 1938 Talbot Ten Airline
Can't really help, Henry, except to say that it's definitely not 309093, because the style of first 'three' has a flat top to the digit. Nor do I think it's 309098, because the top of the 'eight' appears to have a smaller radius. However, it could be 309092, or just possibly even 309090!
Joined: Mar 2015 Posts: 5,193 Threads: 223
Reputation:
59
Location: Scotchland
Henry,
I have looked at the heads I have like yours and all are missing that last number too - a flaw in the mould I suspect.
Joined: Aug 2019 Posts: 443 Threads: 67
Reputation:
4
Location: Oxted
Car type: Austin 7s
Yes! 309092 is it.
Thanks very much Ruairidh, I will report back later.
Joined: Aug 2017 Posts: 2,748 Threads: 31
Reputation:
95
Location: Auckland, NZ
The filler over the exh valve makes sense as breathing is less essential there. One wonders if at that late date Ricardo was just covering every contortion of his original to capture evaders.
Joined: Aug 2017 Posts: 1,257 Threads: 32
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Location: Cheshire
Car type: Race Ulster, 1926 Special, 1927 Chummy, 1930 Box
I’ve often wondered about this. Did the detail draughtie make a mistake? Wouldn’t be the first time.
Alan Fairless
Joined: Aug 2017 Posts: 952 Threads: 38
Reputation:
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Alan, it always struck me as odd that the deeper passage is over the exhaust valve, also unusual to place a spark plug over the inlet valve.
