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Old 12-14-2005, 08:56 PM   #1
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Is it ever better to have a manual transmission in a conversion or is a automatic a better choice?

And why?

thanks
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Old 12-14-2005, 10:46 PM   #2
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....I like my super 10- I like to shift!......I don't want the expense of rebuilding an auto....I can not so it myself where as, I can do a manual with it being removed-that I can't do my self anymore.......geofkaye
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Old 12-14-2005, 10:57 PM   #3
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B.D., thats purely a mater of choice. IMHO, there are really good points to both sides. the auto is easier to drive [more lady friendly], is probably quicker to 60-70 mph, i know others will jump in with more. that said i wouldn't trade my eaton 18 auto shift for any other tranny in a BIG truck made today. yeah, some would ? my sanity. but i simply am crazy [see even i know it]. however, with a low-low and 18 gears and pulling a 3.08 rear gear i've never had a moments dissatisfaction with how my coach is geared. this past summr we drove from ga. to ottowa, then calgry, then fairbanks, ancorage, washington, then idaho,loottssss of mountains both up and down, thru all of yellowstoneback thru st.louis and back to ga. our mileage varied from 7.? to 11.?. the lifetime average is now 9.89mpg, which is since i picked it new. it climbs, jakes like you wouldn't believe, gets good mileage,IMHO, and will top out at over 115mph. again this is only my experience and i reccommed that you try to get to drive some of the different rigs set up like you want yours.-- best of luck --- happy huntin'----mase
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Old 12-14-2005, 11:02 PM   #4
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geof i knew i was saying too much---- thats how you got posted b'4 me. i do agree with your point 'bout being easier to work on and i'd think cheaper and last longer too.----- mase
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Old 12-15-2005, 06:02 AM   #5
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a big factor here is how much power do you have to work with ? with something like a 3126b cat your foot is always to the floor so you might as well have an auto trans !
Reliabilty?= manual trans
ease of operation and confort = auto trans
fun (till you are in rubber neck traffic) manual!
Although I have never had trouble with the "hard" mechanical parts of big autos , I have had trouble with the electrical and computer part of them !
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Old 12-15-2005, 06:19 AM   #6
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The only time I think a manual would be better is when you have a computer glitch and can't get the auto into gear!!! Had that happen last week.... but I was at the shop so not as big a deal as if out on the road.
I think that zero to 60 is probably faster with a manual than an auto.
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Old 12-15-2005, 09:33 AM   #7
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There I was a upstate ny boy in the middle of miami trying to go foward after one of the many times I had to reverse cause I was lost and in a place way to small for the rig I was in ! and bang no shift ( allison world class)
about 2 am badd bad area and no matter what button I pushed nothing just a goofy astrick !
After what seemed like days( it was about 15 minutes for real) I kept praying and starting and stoping the engine and finaly it went in gear !
My wife made me leave it in gear till we hit daytona !
The auto is way quicker out of the toll booths and to about 40mph but I would have to understand the electrical and computer fluently before I would have one in place of my 9 speed !
I found and fixed the problem but the people that owned the toter( it was a loaner) said they had it in many shops many times for that problem and they could not find or fix it ! pretty squirley if you ask me ! I will stick with the oar in the floor for now but when I get in traffic I want for the auto! (bad left knee) T
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Old 12-15-2005, 08:37 PM   #8
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Do some, many...commercial class 8 box trucks 5th wheels have automatic transmissions installed or are autos used primarily in the conversion trucks only?

Anyone have any thoughts on this?
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Old 12-16-2005, 06:05 AM   #9
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For many years the auto's have been a rarity in class 8 trucks. But in the last 3-4 years the # of auto's being sold on new trucks as gone thru the roof. Most of the very large trucking companies are starting to spec the auto's for 2 reasons.
1) maintenance. no clutch to constantly adjust becouse of poor driving habits (riding the clutch)
2) many of the drivers coming into the market today are not learning to drive the stick but are schooled in an auto. Auto's bring in more new drivers becouse they are more like the cars today.

Now the 2nd part is scary becouse todays new crop of truck drivers are coming out of schools and driving the class 8's like it was a car....more accidents.

Wick
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Old 12-16-2005, 06:08 AM   #10
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There are many autos in this area in class 7s & 8s and school buses ! My next(heavy)class 8 roll back will probably be an auto! and I am building a pu truck out of a baby pete and that will be auto also!
Not my conversion though we travel too far with that and I am gun shy from my last mishap! I am sure I will get over it though ! T
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