U20 Owners,
In your humble opinions, what is the maximum limit for material removal from
both the top and bottom of the U20 head? Using cam tower shims can overcome
the valve train geometry/timing chain length problems associated with cutting
the head, but when does combustion chamber size start becoming an issue?
Assume stock pistons. Any thoughts?
One other thing, I just did the first oil change on my recently purchased 2
liter. I don't recall there being a long tube attached to the oil filter block
on the 69's that I've owned. I assume this is an anti-drain back feature. Is
this a 67.5/68 part or were my 69's modified?
Thanks,
Mike Sutter
1968 SRL 311
1966 Sunbeam Tiger
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