Could it be likely that if your car (any car) was running the wrong dizzy timing (too far advanced) and you then took to retarding it, would it be likely that the power curve would be much smoother/longer/better?
if your timing was too advances then hypothetically yes you would be loosing power as the combustion would be happening before the piston has stated decending, and this is harmfull on a motor as it puts a massive force on a piston that is still rising. This is not a good thing to happen as it will destroy a motor quicker than usual.
Also just another question ive always wondered but never asked, in regards to tappet gaps, if say your ccam was supposed to be set @ 19thou and you had it at 15 thou or visa versa, what would be the tell tale signs if any?
I just ask because as i understand it the 'meaner' cams out there often require
larger gapping, but wouldnt smaller gaps open the valves more = more fuel and air in??
This is relative, and needs to be adjusted carefully (you don't want the valves hitting the pistons) but as a rule the closer the gap on your tappets then the longer the lift and duration of the opening (letting more air in and out) This should be done in reference to the cam that you are running. a stock cam is best at stock settings.
If you are wondering about this I would urge you to read a workshop manual and set everything to stock if you have a stock motor. If your not confident take it to someone who has experience in tuning.
Hypothetically I would check the "free play" in your dizzy if it's hard to tune, a worn dizzy will give you the illusion of set correctly at idle then get worse as you go through the revs
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