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I found my missing engine power
#1

Since I bought the 93 coach I've been nonplussed by the seeming lack of power compared to my previous 77 coach.

Well.... I was doing a spring checkout of the coach and decided to take a peek at the air filter. I could not see any air inlet to the filter. Continuing to fiddle with it I discovered the the air inlet grid was pointed upwards into the top of the engine compartment and was mostly blocked off. I rotated the the housing so the inlet pointed to the rear. Holy scoot Batman, I now get up to 22 psi boost and the coach accelerates nicely. I no longer can afford to go to sleep pulling away from a traffic light for fear of running up someone's backside.

Jon Kabbe
1993 coach 337 with Civic towed
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#2

Sounds like you will probably see a big difference in your fuel economy now also!

Love old schoolHeart
1976 Newell 8.3 cummins allison 6spd
1977 Newell 8.3 cummins allison 6spd
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#3

Gotta love those ah ha moments
Smile

Bob Miller
Previous owner of #390
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#4

The fuel tach thingy is already going upwards, NICE.

Jon Kabbe
1993 coach 337 with Civic towed
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