Walt---The top frame bracket(s) should screw on, fit flush and operate
without interference from the finisher caps, or the screws. This is a
close fit, with the (countersunk) screw half hidden behind the bracket.
Since operation of the top is more important, I'd take off the finisher
caps, get the top brackets right, then do what's necessary to install
the finishers.
You could get different opinions on the oil cooler, or the spin-on
filter adapter itself. While working on a friends car equipped with the
spin-on, I found it to be just as messy (and prone to leaking) as
changing my own original style. Being "upright" still allows oil to run
out when changing the filter, and you must be prepared to catch it by
some means. There could be a slighty quicker pressurizing of the oil
system with a canister that stays full, when the engine is not running.
Oil coolers are useful for all-out racing, when excessive engine heat
needs to be controlled by any means. If you live and/or drive in areas
or ways that always threaten to overheat the normal cooling system, then
cooling the oil would be helpful. If you should decide to add the
cooler, go with the one that has a thermostat built in, to bi-pass the
cooler when it's not necessary.
There are many owners of Triumphs that feel special add-ons are needed
to keep their engine from overheating. Most of these engines have
performance modifications, or some type of a (overlooked?) problem with
the cooling system as designed.
Dick T.
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