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Propane Conversion 140 140-160

posted by  Antique Swedish Steel on  Wed Dec 29 10:20 CST 2004
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last visit: Fri Jan 27 01:30 CST 2012
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Bob
I have a modified 71 142E and on highspeed freeway driving (70-80 mph) I get 23 mpg. With more city driving mixed in, it only drops to 20 mpg. But I drive it real hard, always, striving to keep the rpm's in the 7001 street cam power band. Also I lightened the flywheel, so I lost some milage there.
When the motor was stock, 28 mpg on the highway was easy even with the origional 4:30 rear end ( I now am running a 4:10)
Do you think some of the milage variations experienced by different drivers is relative to their rear end gear ratio?

Joel G
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Antique Swedish Steel (Never Rusty)






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New Propane Conversion 140 [140-160]
posted by  Dknife9  on Tue Dec 28 20:07 CST 2004 >


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