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 Posted: Jan 18, 2017 01:21AM
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Alex , that is very interesting info I would like to know more , I have reset the plug gap to 30 , Thanks.

 Posted: Jan 16, 2017 01:37AM
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GB

I spent some time testing plugs on the rollers last year on Gertie as we chased every last drop of power.

NGK BPR6ES with a .028" gap worked better than the BP6ES by half a horsie, running an Aldon/Pertronix Ignitor instead of points.

Despite high hopes, the Iridium plugs dropped the power.

 Posted: Jan 15, 2017 10:55PM
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Quote:
Originally Posted by AWOODY
Already have the plug gap out to 40thou thanks for the reply.
40thousandst??? Wow!!! Too wide!!  Your battery, alternator and coil will work double time to keep spark in a huge amount of gap.  25thou is the ideal gap according to uncle Haynes

 Posted: Jan 15, 2017 09:23PM
TK
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AU
I run them & I too have electronic ignition. As I don't use the mini very often I find that it starts easier with these plugs.

 Posted: Jan 15, 2017 09:11PM
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Already have the plug gap out to 40thou thanks for the reply.

 Posted: Jan 14, 2017 11:42PM
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I always used Restistorized NGK plugs and it works fine for me, one time i run a non resistorized plug , i didnt like how the car accelerates. Its just different, less oomph and torque.  

Stay with the  standard, unless if you are running a high voltage e-core coil, you really need iridium plugs  to compensate with its 60,000 volt output.

 Posted: Jan 14, 2017 10:24PM
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Save your money STD type plugs are fine for our engines. We do not run the very high combustion temps and pressures that modern engines do or the very lean mixtures that cause it, if your electronic ign runs a hi voltage coil then opening up the gap a smidge to 30thou might be in order but I doubt you or your engine will notice the difference!

Mini's are like buses they come along in a bunch

 Posted: Jan 14, 2017 09:47PM
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Anyone running them , I have been told that I should be using them because I have a electronic ignition system , who what why when etc