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Author Topic: Blower setup for gas vs alcohol  (Read 4135 times)

Offline andrewb

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Blower setup for gas vs alcohol
« on: December 02, 2015, 08:23:48 AM »
Don't know much about blowers other than I want to run a 4-71 on my wife's Ford Flathead powered dragster I'm working on. I searched the web but didn't find any info on the difference between a blower setup for gas vs alcohol. We plan on running alcohol and the ones I've seen for sale so far say they're setup for gas. What's the difference in the setup?

Andrew
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Offline Van

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Re: Blower setup for gas vs alcohol
« Reply #1 on: December 02, 2015, 08:47:02 AM »
Most Alky setups run more boost because it is harder to detonate, with Gas is very easy to burn it up, so you run less boost. Alky blowers run strips & most gas setup do not.
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Offline andrewb

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Re: Blower setup for gas vs alcohol
« Reply #2 on: December 02, 2015, 09:06:55 AM »
So I should look for a blower already setup for alky than trying to convert one that's setup for gas.

Andrew
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Offline Frontenginedragsters

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Re: Blower setup for gas vs alcohol
« Reply #3 on: December 03, 2015, 03:07:12 AM »
 Hello Andrew:
 Alcohol blowers are set up with tighter clearances. Fuel thru the blower helps to lubricate the teflon seals on the rotors.

Matt
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