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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

JFYI durospark conversion

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Old Aug 12, 2007 | 06:19 PM
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JFYI durospark conversion

FYI , I did the durospark conversion on the 65 352 and it did not improve the mpg. I figured a better spark would net me something, but she's still drinking at about 13mpg. :-)
 
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Old Aug 13, 2007 | 07:38 AM
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jowilker
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Did you re-gap the spark plugs? It should pick it up a little but I doubt that you would see much improvement.

If you are getting 13 now you are about maxed out in the mpg area. Most of our readers here would love to be able to see 13.

Don't stop tweaking but don't expect much more.

John
 
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Old Aug 13, 2007 | 08:50 AM
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Not sure if gain in MPG but certainly no longer have to fuss with getting it to fire up on cold mornings.

dave
 
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Old Aug 13, 2007 | 03:56 PM
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Smile

Originally Posted by jowilker
Did you re-gap the spark plugs? It should pick it up a little but I doubt that you would see much improvement.

If you are getting 13 now you are about maxed out in the mpg area. Most of our readers here would love to be able to see 13.

Don't stop tweaking but don't expect much more.

John
Ya, actually I was amazed the plugs looked like new after a year, but I replaced them anyway, I didn't realize they were gonna be the same # so I bought them with the rest of the goodies. And I did regap them.

Dave, it does fire a bit quicker, seems to run the same though.

And I'm not done fighting for that extra 1 MPG
 
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