Sorry thats supposed to read fuel CAT stabilliser. http://www.ebay.co.uk/itm/350306441421?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649 What do you make of this, I came across this,something I've never heard of before.
Hmmmm... Dyno tests would prove if its actually doing anything for power or not? Would be a handy addition in something old like my 400/4 - designed to run on leaded petrols, unleaded petrols will knacker the valve seats, I have to add lead-replacement/octane booster Voodoo juice to prevent this... Would be good if it does what it says on the can??
Remember something similar when 4 star was being phased out, back then it was supposed to gradually release a lead substitute to save your valve seats. I assume you just stick it in the tank?
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Or try this one, a rather similar tin-based fuel catalyst which has been in production much longer. I have used it myself successfully. BROQUET Fuel Catalyst home page
if it's any good I'd give it a go but I only run enough fuel in my tank to get me up the hill ,probably around 3l ,it would be banging and rolling around in the tank