by ramian09 Thu Jul 24, 2014 10:25 amDoes anyone know if installing a cold air intake on these vans actually hinder instead of help gas mileage? also does anyone know the best adjustments for a Carter YF for these vans? I installed a cold air intake purchased from classic inlines. I ran the pipe up to the grill. I was expecting an improvement in performance and gas mileage, but instead I seem to be experiencing a significant drop in fuel mileage. What could be going on? Any help is much appreciated!!
3 posters
gas mileage dropped, HELP!
ramian09- Number of posts : 167
Location : jackson, wy
Age : 36
Registration date : 2010-01-26
donivan65- Governor
- Number of posts : 12220
Location : San Diego, California
Registration date : 2008-05-12
I would remove some of that cold intake and see if mileage improves,,,,,,now them there Carters, have vacuum operated accelerator pumps, and if the rubber diaphragm gets a hole in it, the engine sucks gas right from the carburetor bowl.......
Seth G- Vintage-Vans Listings Manager
- Number of posts : 2086
Location : Anacortes, WA
Age : 50
Registration date : 2013-04-24
That's a good point. The pump is in the bottom of the bowl isn't it?
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