CPS ???

[cz777]

anybody worked with the high altitude CPS yet? i know it advances the ignition app. 10* but it do the same to the fuel system as well -any kind of troubles with this ???

[jimoshel]

Just advances the timing. Has nothing to do with fuel.

[Eagle]

I live at elevation 400 feet above sea level. I've been running a high altitude CPS in my '88 Cherokee for several years. No problems. I'm not that religious about keeping track of fuel mileage these days, but the reason I went to the HA CPS was to try to improve the fuel economy, and I think it helps a little.