>
> Well, the Tiggermobile (1963 TR-4) has finally let me down - it's just
>not running right, with poor idle and low power. I adjusted the valves
>and then did a compression test with the following results:
>
>Cylinder Test 1 Test 2
> 1 165 173
> 2 173 190
> 3 170 185
> 4 180 230
With those numbers I would tune it up and keep driving. But if you want
everything newish you could swap in a new set of rings. Be sure to
measure the pistons for wear as well.
You will want to do a valve job while the head is off and replace the rod
bearings as well since they will be appart.
But seriously the compression looks a little ragged but the engine should
still pull well. Check the SUs for leaking at the throttle shaft, the
vacume advance diapram, and just do a general tune up.
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