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Old 05-21-2016, 03:32 PM   #13 (permalink)
oil pan 4
EV convert
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Join Date: Jul 2011
Location: NewMexico (USA)
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Sub - '84 Chevy Diesel Suburban C10
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

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90 day: 11.95 mpg (US)

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I have not been able to work on it, been in Afghanistan lately and the engine I was going to use it on is at the machine shop.

Originally Posted by solarguy View Post
If vaporizing carburetors made a significant or dramatic difference in fuel economy, then the vehicles/engines that were made to run on propane would have shown similar/dramatic improvements in FE.

they didn't.

Yes, even after accounting for the difference in energy density/BTU's etc, they just didn't.

Could it make some difference in driveability and a slight improvement in FE if all you do is short trips?

That's what I usually say.
And yes its more for winter and/or short trips.
1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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