[Healeys] Plugs

[simon.lachlan at alexarevel.plus.com]

Here's a can of worms that we haven't delved into for a while..

So, I'm trying to get all my ducks in a row for a short run abroad. Car is a
MkII BT7 with a DW fast road cam, 3 HD6s, big bore 6 branch and 123Ignition
plus a so-called Sports Coil.

 

1.	I was looking through my library of files on Healey topics and saw
that we were all over the place on plug gaps...all the way up to 0.035". So
what's the opinion there??
2.	And which plug? Seemed to be mostly between NGK's BP6ES & BP5ES. Was
a hold-out for their B8EGV 5627  but that was dismissed fairly vigorously by
Jeremy Welch as being way OTT for normal road use.
3.	And, I have 12,000 miles+++ as plug replacement mileage so long as
they still look and perform OK. Any thoughts?

 

Thanks, Simon

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