Just out of curiousity could you guys with worked A series post what work you have done to your motors and a (conservative) power output.This is the specs of my a15 being built-

A15 bored 40thou
Flat top pistons running 11.0 to 1 compression
Balance bottom end with lightened flywheel
Cam is around 40-70
Massive ported head with 40mm inlets and 33mm exhaust valves, double valve springs.
Twin 40 dellortos and extractors
stock dizzy for the time being
= about 120-130hp at the fly

should destroy the old 4 speed pretty quickly!