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Old 08-03-2012, 09:05 PM   #126 (permalink)
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another sick rig

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Old 08-03-2012, 09:11 PM   #127 (permalink)
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All this truck porn...

Just a caution on the straight pipes; you'll have to drill some sort of holes at the "bottom" where it curves under the body otherwise it could rust out in that spot more than you care for.
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Old 08-03-2012, 10:27 PM   #128 (permalink)
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Old 08-03-2012, 10:28 PM   #129 (permalink)
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Just a caution on the straight pipes; you'll have to drill some sort of holes .
yep, btdt. thanks
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Old 08-03-2012, 11:05 PM   #130 (permalink)
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Best looking one so far. I thought the last couple looked a bit less usable. Don't really dig that stance on a big rig. This one looks right, though.

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Old 08-04-2012, 06:54 AM   #131 (permalink)
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:spent:
That is one of the best looking KW's I've ever seen. And I have seen 1000's & 1000's in my trucking days of 37 yrs.
You get those pics from East(or West)CoastLargeCars?
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Old 08-04-2012, 09:08 AM   #132 (permalink)
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from LargeCarMags forums.. an A-model thread

http://www.largecarmag.com/board/php...t=w900A+thread

its too old for most images to show up but im on page 8 of 125 so far
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Old 08-04-2012, 03:27 PM   #133 (permalink)
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Damn you.

I keep trying to get over my big truck fetish and then I come across this thread and it starts all over again.
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Old 08-04-2012, 03:29 PM   #134 (permalink)
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Damn you.

I keep trying to get over my big truck fetish and then I come across this thread and it starts all over again.
You can drive my Pete to make it worse

Then I can show you some bills to fix it and you might feel better about not owning one
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Old 08-04-2012, 05:24 PM   #135 (permalink)
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You can drive my Pete to make it worse

Then I can show you some bills to fix it and you might feel better about not owning one
Sup man.

Im gonna PM you my #.
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Old 08-06-2012, 09:09 PM   #136 (permalink)
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nothing new with my truck this week but i did put some time into looking at various tranny ratios and shift patterns and figured id put together a 'roadranger noob' mini-tutorial.

these images obviously represent the shift pattern, usually called a "double H" on the trannies im using for examples. reverse to the front left, straight back to low, then through the regular 4 speed H. so youve got 6 positions which are created by 3 shift rails having two gears each (push forward or pull back, neutral in the center on any rail.) the numbers are the gear ratios available to you when the shifter is in that hole, all accessible via the range and splitter knobs.

range selector flips up and down. when its down you're on the low side (numerically higher ratios) not to be confused with the low hole aka first gear position. other button is the splitter and it moves toward and away from the dash. a full gear shift is about 500RPMs while a splitter shift is half that, only abou 250 rpms. 13speeds can only split gears on the high side so the splitter gets you either of the smaller numbers in a given box. you do not need to split gears if you dont want to, but you do need to use both ranges to drive this tranny. the shift lever does not need to be moved to do a range or split, nor is clutch required. you just ease off the throttle and flip the button, preferably while passing neutral. however, the splitter and range are the easy part, physical shifts without a synronizer are the hard part, since you have to time the shifts perfect or endless grind occurs.


RTOO9513- a 'light duty, double over' 13speed thats becoming a hot commodity in pickups because its gear spread covers everything, from inchworm-slow to under arrest fast on nearly any tire/gear combo. 950ft/lbs input torque is too low for most OTR tractor applications but perfect behind a 5.9 cummins or DT466 which are bolt on.)



note the "U" shift pattern, high gear is against the dash on old overdrives.

^ this tranny has a generous 12.1 take off gear for any load or incline, and then a close ratio cluster of highway gears on top. no matter what highway cruise speed, you've got a spot-on gear for it. if your truck has deep axle ratios, theres 3 overdrives to keep your revs tame. be aware that overdriven countershafts are very noisy. also notice that the low hole only has 1 ratio. there is a gear in there on the high side often called the cheater gear, but its not designed to take full load. probably fine for daily use in a pickup but not a loaded tractor. 13speeds have 13 forward ratios and 2 reverses.


RTO14615- heavy duty deep reduction 15 speed with OD



all 15 speeds im aware of have 3 reverse speeds and deep reduction ratios on the low side that are accessed by flipping the splitter switch forward. i think of it as 5 rooms layed out on each floor of a 3 story house. splitter forward/range down is the basement. flip the splitter back and you're on the ground floor, flip the range up and you go upstairs. you can use all 3 gears in the low hole. nice thing about 15 speeds is that the basement gear complements the ground floor gear pretty nice for bobtailing. example, if take off on a hill from 9.35, wind it up, flip the splitter right into 6.00 thats 4 physical gears you didnt have to row if not loaded down, and the gap is tolerable. or 7.22--> 4.63 is similar. downside is your highway gear spacing is wider at ~500 Revs per gear typically.

RTLO-14718B heavy duty 18speed with OD



18s are the cats meow, theyre the best of a 13 and a 15, split the low side and the high side, with 4 reverse speeds. cheater gear applies here again tho, the low hole is not meant to be run in the high side under load, even tho its there.

dont let the number of gears fool you. a 9 speed has to row more than the 18 because every gear on the 9 is a physical shift whereas the 18 can go zero to prob 50mph or so with only 3 physical shifts and still stay in a narrow RPM band. takeoff 6.05 <splitter> 5.16 <shift + splitter> 4.38 <splitter> 3.74 <shift + splitter> 3.20 <splitter> 2.73 <shift + splitter> 2.29 <splitter> 1.95
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Old 08-06-2012, 11:48 PM   #137 (permalink)
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also notice that the low hole only has 1 ratio. there is a gear in there on the high side often called the cheater gear, but its not designed to take full load. probably fine for daily use in a pickup but not a loaded tractor. 13speeds have 13 forward ratios and 2 reverses.
Yep, you are correct! I used that gear a lot, loaded or empty, approaching RR tracks. Had to stop at them hauling fuels(and empty too). Roll up to the tracks in 3rd direct or 2nd over and go into low hole in high side of splitter. Skipped a few gears that way. Surging fuel would help with a little inertia also. But, you gotta be careful, real careful, else you'd be snapping things inside the tranny.
That tranny was also modified to go from OD down to low range without going thru neutral. Another + for the old style selector. Everything was on top controlled by one button. Far left=low range, middle=direct(1,2,3 & 4) and far right= OD(1,2,3 & 4)
Side note, absolutely HATED the 5 speed in a full blooded Mack! That sucker had throws long enough to give your elbow hyper extension. Gear spreads you wouldn't believe.AAAARRRGH.
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Old 08-07-2012, 05:17 AM   #138 (permalink)
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im told the mack trannies feel like they have a marshmallow connecting the shifter to the shift fork, but ive never driven one.
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Old 08-07-2012, 07:27 AM   #139 (permalink)
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Yeah, we had a bunch of full blooded Mack CF pumpers back in the day. Whoever thought a 5 speed in a 30+k truck was a good idea should have their head examined.
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Old 08-07-2012, 09:04 AM   #140 (permalink)
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Mike, good work on the graphics ... makes it easy to understand the shifting pattern

(however, there is a typo in the 13-speed; first OD should be .84 not 1.84 )

oww... the 13`s U-pattern is confusing (at least for a guy like me who has trouble with everything that has more then two buttons )
but i guess you get used to it after a while
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Old 08-07-2012, 09:21 AM   #141 (permalink)
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oww... the 13`s U-pattern is confusing (at least for a guy like me who has trouble with everything that has more then two buttons )
but i guess you get used to it after a while
My 15 has the "U" too, after a couple hours it has not been a big deal. Nice thing is the shifter is so different from all my "H" pattern vehicles it helps in keeping the shift patterns separate in my head.

It does not help that, IIRC, reverse is in 3 different positions in my 4 stick vehicles and only 1 has the shift gate labeled.


Let that clutch out slow, just to make sure!
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Old 08-07-2012, 09:30 AM   #142 (permalink)
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And how come my 15 has only 13 effective ratios, but it is classified as a 15 speed?

And, BTW Rooster, if you want to ship that Super 10 to Houston, I will ship back a 15 in good shape Market the truck more to the heavy haul guys then
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Old 08-07-2012, 09:31 AM   #143 (permalink)
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there is a typo in the 13-speed; first OD should be .84 not 1.84

i saw that and meant to fix it but no photobucket access at work. forgot to mention but thanks for the catch. the typo is actually in that huge .xls file thats floating around, and i copy/pasted it.
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Old 08-07-2012, 11:09 AM   #144 (permalink)
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funny progression on the 15sp. The 'around the block' pattern is totally natural to me now; takes about a day to wrap yourself around it I think.

I didn't know the RTOO9513 was a "hot commodity" for the LT segment now. What a trendsetter I must be since I could only find one other who'd done it at the time
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Old 08-07-2012, 11:34 AM   #145 (permalink)
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Side note, absolutely HATED the 5 speed in a full blooded Mack! That sucker had throws long enough to give your elbow hyper extension. Gear spreads you wouldn't believe.AAAARRRGH.
I used to drive a DM800 and it had a Mack 7 speed (basically a 5 speed with low gears on 1st and 2nd). Splits were fucking massive. I think the truck's governor kicked in at 1600 or 1650 (lower than any truck I've driven), and the revs would always fall to under 1000. Luckily, the engine had more low end than anything I've ever driven. Only 300 hp (turned up some of course) but it would pull pretty well from about 900 rpm or so. Still, smooth shifting was not really possible with it. Floating seemed to only work well with full throttle power shifts; I'm sure the input shaft loved that. Another odd thing is I believe they had some odd .6 OD matched with some really low rears (Like 7.XX or 8.XX). I'd need to do the math to know for sure which one.

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Old 08-07-2012, 01:36 PM   #146 (permalink)
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I didn't know the RTOO9513 was a "hot commodity" for the LT segment now. What a trendsetter I must be since I could only find one other who'd done it at the time
shhh.. im trying to cash out on my collection at massively inflated prices.
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Old 08-07-2012, 05:58 PM   #147 (permalink)
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Not sure if you have seen this one yet Mike,

http://www.youtube.com/playlist?list...Q&feature=plcp

You have to dig back a ways to get to that start of his update videos.
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Old 08-08-2012, 03:47 PM   #148 (permalink)
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Not sure if you have seen this one yet Mike,

http://www.youtube.com/playlist?list...Q&feature=plcp

You have to dig back a ways to get to that start of his update videos.
well ill be damned.. thats this guy..
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cant deny that small cam sounds pretty good
a model rollin&#39; with stacks on!!!! - YouTube
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Old 08-09-2012, 10:18 PM   #149 (permalink)
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Yeah I was pretty sure that was the same truck, his videos are proof of what a guy can do with enough "want"
I wish he'd pick it up with the updates.
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Old 08-22-2012, 06:07 PM   #150 (permalink)
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found this on the east coast large cars site



The rest of them are here http://eclcannualtruckshow.com/show/...news&Itemid=65
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