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Old 06-07-2013, 03:19 PM
  #48  
JKinTX
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Default RE: Fuel for old engines


ORIGINAL: Rendegade

No, he's right, the engine will demand the same amount of METHANOL, irrespective of oil content. If you increase the oil content you'll need to increase the NV setting so that the amount of methanol is the same, as you now have to haul more oil along with it.

Think about it.

Also, there was a test in the 70's on 250cc motorbike motors that found that increasing the oil content acutally increased RPM, not decreased it.

I have. You can't simply open the nv any more than you can the throttle on a bike or outboard and have the same effect it won't happen. I used to have Bultaco and Greeves and if I tried what you suggest, I'd get some nice black sooty plugs in return.

BTW, here is one for you to "think about". Dump a pint of oil into a gallon of fuel and then tell me how many turns you had to open the needle up to get that magic METHANOL to work. What 60 or so?


The Bul was a 250 Alpina and the Greeves a 380 QUB Griffon, BTW.