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Old 08-29-2010, 09:00 AM   #11
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Join Date: Jan 2008
Location: Upstate NY (Mohawk Valley)
Posts: 1,096
Re: Micro Blue Bird engine...

Quote:
Originally Posted by Jarlaxle
. . . Her Blazer--the lightest thing a 6.2 was ever used in--was about 17 seconds 0-60 when stock. . .
Really? We had a few '85 milsurp CUCV pickups at an agency I used to work at, and I timed a stock one at 27 seconds 0-60. They were geared to run at 55 MPH, but we routinely wound them up to 70. They would go about 79 on the flats, but only if drafting a bus, semi-trailer or motorhome. I usually got the short straw chasing the mobile command truck, and earplugs were a must!

We had a Banks intake and exhaust plus pyrometer installed on one, and its ability to pull a three-ton trailer up a certain incline on the interstate jumped from about 37 MPH to 53 MPH. Fuel mileage was not good, as the mechanic who installed the fat pipes also turned the fuel up to black smoke plus liquid drops out the back. One of the directors ordered that the command truck will NEVER be driven BEHIND that pickup. The stock fuel tank was good for about 2 hours of overspeed running on the interstate.

I've seen half of these trucks in private hands, so I guess they went to auction after I left.

That said, I wouldn't mind running one of those pickups myself, if I could install lower numerical axle ratios and an aux fuel tank. I would be sure the fuel pump was adjusted more accurately.
Quote:
Originally Posted by CHEESE_WAGON
. . it's a diesel, not a hot-rod.
Amen.
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Old 08-30-2010, 04:50 PM   #12
Bus Crazy
 
Join Date: Oct 2004
Location: New England
Posts: 1,009
Year: 1993
Coachwork: Ward Genesis
Chassis: International
Engine: DT466/MT643
Rated Cap: 77
Re: Micro Blue Bird engine...

I have owned two 4WD diesel pickups...a 1992 F-350 with a 7.3 turbo and (currently) a 1979 F-350 SuperCab with a 5.9 Cummins. Compared to my K35, both accelerate faster loaded than it did empty, use less fuel (about 30-35% less in the case of the 79), and are more capable in every way. The 6.2 is a steaming, stinking turd. It's barely adequate in a K-5 Blazer, and hopelessly overwhelmed in anything heavier. You're better off with a gas V6.
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Old 08-31-2010, 01:50 AM   #13
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Join Date: Aug 2010
Posts: 6
Year: 1985
Coachwork: Bluebird
Engine: Seized. Bummer.
Re: Micro Blue Bird engine...

Well my main reason for trying to use diesel is the thought of longevity. So far since the beginning of the year i would guess that we've gone 55,000 miles or so, give or take a few, with a few more months left in the year. Are there reasonable gas engines that can take that kind of road time?

Honestly, if it could maintain a median of somewhere around 60-65 mph i could settle with that as long as it's not six months to a year down the road before a rebuild is necessary. When you need to get from Orlando to Charlotte in 10 hours or less it's nice to be able to cruse at something more than 50-55ish.
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Old 09-02-2010, 05:35 PM   #14
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Join Date: Oct 2004
Location: New England
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Year: 1993
Coachwork: Ward Genesis
Chassis: International
Engine: DT466/MT643
Rated Cap: 77
Re: Micro Blue Bird engine...

I've seen many Ford 5.4 V8's and 6.8 V10's wind up over 300,000 hard miles in livery service. Saw a V10 with over 400,000 miles in a 2000 F-550 4x4 that sees the brutal life of a repo truck. Heck, plenty of Chevy 350's and 454's and Ford 351's and 460's have wound up over 250,000 miles. Maintain a V10 and I would not be even slightly surprised to see it turn over 500,000 miles.
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