Re: Allison 6 Speed GMC 401
I agree on the modern emissions standard for diesels being complex and expensive. I believe domestic drilling and resulting lower gasoline price has made it attractive to the Medium Duty market again. These 8.0 and 8.8 engines from these 2 companies debuted with LPG induction. The gasoline version is the 2nd version. A big thing with bus fleets is the early morning warm up period to get the interior up to temp. Gas and LPG have a lot cleaner warm up period. Have not seen the turboed 8.8. That's a pretty recent offering I think. Will take a look.
Last edited by tommr; April 3rd, 2018 at 12:15 AM.
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