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Went from 83mm to 87mm, did the break in run and proceeded to re-tune the carbs. In the process, I touched the rear carb and it was ice cold. also that half of the intake manifold was also cold. Had tried to degree the valve timing when the engine was torn down. Was this the error? Plugs 3&4 were wet. 1&2 ok. Plug wires all ok. Advice please.
1960 TR3A
1960 TR3A