Happy New Year to all !
I have just taken my reconditioned TR3A cylinder head to the machine shop to
have the new valves, guides and spring fitted.
I have purchased the recommended TR4 narrower exhaust valves and guides that
use two springs rather than three on the original.
The cam will remain stock.
The machine has requested the following: 1) Spring Height and pressure
installed, 2) Cam Lift at the Valve.
Haynes Manual gives Cam Lift (max) at 0.26 inch, but I do not see fitted spring
height nor pressure and I am hoping that someone would have this spec.
1960 TR3A TS71864LO
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