80s bikes and Unleaded

Ghost Rider · Dec 16, 2013

Stanforth said: ↑

I stand corrected re: you original post...
There shouldn't be a problem with engines with alloy heads. This type of engine has seperate valve seats that are hardened and should resist 'valve seat resession'. I ride bikes from the 1940's. 50's, 60's to date and have only had this problem on one. It is a Velocette MAC with an iron head hense no hardened seats.
During the panic period of unleaded fuel my answer was 'don't waste money on additives, put the cash in a tin and sort the engineering problem out when (if) it occures.

The bike illustrated has been used on the road constantly with standard unleaded and raced with Super unleaded... No problems.
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Do you know Mr Thurston??

Stanforth · Dec 17, 2013

Arquebus said: ↑

Do you know Mr Thurston??
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Yes I knew Ray back in the '80's and 90's. We raced together but he was more commited than I was therefore quicker.
I haven't seen much of him in the last 15 years as my interest in the Velocette Club has deminished somewhat.

Ghost Rider · Dec 17, 2013

Stanforth said: ↑

Yes I knew Ray back in the '80's and 90's. We raced together but he was more commited than I was therefore quicker.
I haven't seen much of him in the last 15 years as my interest in the Velocette Club has deminished somewhat.
Click to expand...

One of his brothers is a top mate of mine.............

AL

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