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Author Topic: rear end Installed !  (Read 2356 times)
robertglines1
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« on: May 08, 2013, 07:02:04 PM »

Finally!  been a long haul and search. So final drive is::: 60 series with eaton 10 spd autoshift  .75 final OD  with 3:07 ratio rear end. 315 80 R 22.5 rubber. The search for rear end was a trick as my carrier was only suppose to except 4:10 at best. 14 pinion to 43 ring gear supplied by meritor ...It's in!!!!! Sort of like a turning point in this build. I know several have been following and advising ; in this case older year model would have been better with the 3:33 easy. Everything new except case. Bearings seals etc. Life is good!!   Bob
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
wg4t50
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« Reply #1 on: May 08, 2013, 09:37:14 PM »

Would be surprised if you ever get it into that .75 OD with the 3.07 gear with the 315 tires, It will be fun.
Dave M
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MCI7 20+ Yrs
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Mex-Busnut
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« Reply #2 on: May 09, 2013, 03:57:08 AM »

Congratulations, Bob!
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Dr. Steve, San Juan del Río, Querétaro, Mexico, North America, Planet Earth, Milky Way.
1981 Dina Olímpico (Flxible Flxliner clone), 6V92TA Detroit Diesel
Rockwell model RM135A 9-speed manual tranny.
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100 miles North West of Mexico City, Mexico. 6,800 feet altitude.
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« Reply #3 on: May 09, 2013, 08:58:39 AM »

Bob where are the pictures...  Smile..
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luvrbus
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« Reply #4 on: May 09, 2013, 09:35:02 AM »

I have a complete 4:30 rear end brakes and all for a Prevost Bob if you see anyone looking for 2002 model fits a H, I was told the air bag mountings are different than a XLL I never did any research to find out for sure
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Life is short drink the good wine first
TomC
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« Reply #5 on: May 10, 2013, 11:28:58 AM »

With your gearing, you should get great mileage. In 10th at 65 you'll be at 1209rpm (which is NOT to slow for the Series 60) and 1395tpm at 75. Good Luck, TomC
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Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
robertglines1
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« Reply #6 on: May 10, 2013, 01:02:12 PM »

I do allot of flat land interstate and 75 and 1400 is/was goal. Got the gears for the hills. Just seems to me the traffic flow is 70- 75 and I would like to just blend in --always option of slowing down. Can't wait to get on scales. Shooting for low to mid 40's. Keeping weight down every chance I get.  36,100 on last 40ft Prevost build with 8V-92  . The scales tell all!  Would be nice for a little help at fuel pump.  Will have to use it to come out on the cost--good thing I bought coach without drive train in it so I had choices.  I ran about$4,000 over my original plan for build. So when it's all said and done will have about 26 grand in build. Includes bus purchase and parts I sold off it I did not need. It will never be done.  IT is the last one !!!!! 
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
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« Reply #7 on: May 10, 2013, 01:31:47 PM »

Wow Bob at 26,000 k thats amazing .I have a lot more in mine and it,s old          dave
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1990 mci 102c  6v92 ta ht740  kit,living room slide . home base huntsville ontario canada
robertglines1
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« Reply #8 on: May 10, 2013, 02:43:12 PM »

That don't include my and son's plus dear wife's labor. Plus others.   Bob
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
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« Reply #9 on: May 10, 2013, 02:51:31 PM »

Ya a labour of love ( free )                           dave
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1990 mci 102c  6v92 ta ht740  kit,living room slide . home base huntsville ontario canada
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« Reply #10 on: May 12, 2013, 08:18:16 AM »

Wow Bob at 26,000 k thats amazing .I have a lot more in mine and it,s old          dave

Bob is a very thrifty shopper/horse trader and finds exceptional deals quite regularly!
Grin  BK  Grin
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HB of CJ
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« Reply #11 on: May 13, 2013, 07:45:16 PM »

When you find out that sometimes you really have to get from Point A to Point B at maximum safe cruising speed you will have the legs to get it done.  "Can we maintain Warp 8 Mr. Scott?"  "Eye Captain....perhaps even a wee bit more"!  HB of CJ (old coot) Smiley Smiley Smiley  My old Crown Supercoach had three, (3) possible gears choices at 55 mph...8th, 9th and 10th.  Roadrangers forever! Smiley
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wg4t50
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« Reply #12 on: May 14, 2013, 01:04:06 AM »

I am in the Road Ranger camp, and with a 8V-92, RTO-910, 3.73 Rear & 11R X 24.5 tires (480 rpm), running 75-85 while not real bright sure is doable, top speed is in the 95-100 area. BTDT

Dave M
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Brian Diehl
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« Reply #13 on: May 14, 2013, 07:38:05 PM »

Maybe I shouldn't say this, but with my 3:33 gears and .73 OD I calculate the gearing and RPM for a possible 106.  I seriously doubt I have the power to pull that speed, but have run at 75 without any problem.  400 HP ISM @ 31,000 lbs is a nice combination to have.  I usually run around 63 or so on the freeways and highways when listed above 60mph.  Since I pay the fuel bill I don't often run fast.  It is nice to know I can if I have to though!
« Last Edit: May 14, 2013, 07:57:07 PM by Brian Diehl » Logged
robertglines1
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« Reply #14 on: May 14, 2013, 08:13:26 PM »

The whole goal of my gear change was to get engine rpm into best torque range and fuel range. If I would have stayed at 4:56 I would have been at almost 2000rpm at 65 mph. Since I needed to regear might as well go for best combo?   Bob
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
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