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Chains, ramps, and gears are all the same and in the same places.
Actually, from what I can tell, leaving some gap is absolutely critical (I'm going to
assume 1/8" is safe as that is what the guards have been advertising for years.)
As the engine heats up it will be equivalent to the chain being shorter, and the
piston will go down. Without this gap you are probably going to 'stretch' the
chain and possibly destroy the guard and let it loose inside the motor.
The guard is as small as it can possibly by already. I'm sure with enough thought
another style of piece could be made and safely fit in there, but I'm leaving
everything alone and will check on it at the end of the season.
This is only happening on the left side, so I have to assume that the height group
of the cylinders may have been different on each side of the motor before.
__________________
Mark S.
'70 914-6
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