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Posted: Sat Jul 18, 09 10:10 am
by Dave-R
I don't know anyone that bothers either here or in the US.
Posted: Sat Jul 18, 09 10:25 am
by mad machs
I use Millers Octane Booster with lead substitute, bung a dash in every refill type deal.
Not saying it helps or even does a damn thing, but a spot of faith healing never hurt anyone

Posted: Sat Jul 18, 09 10:46 am
by latil
Never bothered with it on anything I've ever run. Never had any problems either.
Posted: Sat Jul 18, 09 4:25 pm
by Steve Chapman
Old engines should have what they call "lead memory" if they were ran on the old 4star. If they have been rebuilt they would have had valve seats redone.
Posted: Sat Jul 18, 09 5:07 pm
by Scooby
Yep I Use castrol valvemaster....
Works for me, well in my motor anyway.
You would need to know your head set up b4 using any form of additive.
Richard.