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Old May 12th, 2008, 11:04 AM   #1
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Default Trans for rocks?

Anyone that has ran both auto and manual transmissions in rocks or any technical climbing or driving, which do you prefer and why?
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Old May 12th, 2008, 11:16 AM   #2
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I like my manuals, but I think about 80 to 100:1 minimum for rocks.
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Old May 12th, 2008, 11:16 AM   #3
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I am indifferent. I have ran both.
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Old May 12th, 2008, 11:22 AM   #4
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i think driver skill is a big factor in whether a manual is good or bad in the rocks IMO. Hence, I like the auto :tonka: With a good crawl ratio I think either is ok, but the auto makes it alot less work.
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Old May 12th, 2008, 11:25 AM   #5
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auto auto auto

reverse man valve body with compression braking

no reason to have a manual
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Old May 12th, 2008, 11:27 AM   #6
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The one thing I don't like about an auto on the rocks, is that if you are truely crawling, sometimes it sits there and doesn't want to move until you give it throttle. And I've seen it where people have to give it a lot of throttle to bump up over a big rock, which they give it so much, they bounce or lose control.

That is more of an issue when someone doesn't have enough gearing and a well set up auto.

With a decent engine and very low gearing, an manual will just keep chugging along even at, say 600 rpm, so it'll climb up and over something, that many autos need to get on the throttle for.
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Old May 12th, 2008, 11:28 AM   #7
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I'm thinking I may like the manual better if I had a good hand lever parking break:miff:
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Old May 12th, 2008, 11:29 AM   #8
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I agree Jesus . one reason I had thought of rigging a secondary hand throttle for fine power control. Since I regeared to 4.88 in the axles though I've gotten my low low back. tranny fluid level of course can still affect some folks in that same situation.
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Old May 12th, 2008, 11:31 AM   #9
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I am still indifferent, I enjoy both.
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Old May 12th, 2008, 11:31 AM   #10
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Quote:
Originally Posted by UP_ROKTOY View Post
I am still indifferent, I enjoy both.
men AND women? :tonka:
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Old May 12th, 2008, 11:32 AM   #11
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I can't believe there is a thread called "Trans for Rocks" and people are still claiming a manual would be better. Been to a lot of comps lately?
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Old May 12th, 2008, 11:35 AM   #12
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I agree that an auto is the comp buggie choice, and the choice for serious rockcrawlers, but most of us don't have dedicated rock rigs, and that is why I prefer the manual. For the once or twice I might get to the Badlands, I will keep my manual for the trail rides and silver lake, and just normal wheeling.
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Old May 12th, 2008, 11:35 AM   #13
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auto works better hands down, any one who wants to argue the point is living under a rock . manuals might be more fun to drive in your opinion but a auto is the way to go
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Old May 12th, 2008, 11:36 AM   #14
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Explain Bones!
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Old May 12th, 2008, 11:36 AM   #15
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Quote:
Originally Posted by Bones View Post
I can't believe there is a thread called "Trans for Rocks" and people are still claiming a manual would be better. Been to a lot of comps lately?
No, I don't compete.

I really enjoy my manual in the rocks, wouldn't have it any other way.

I guess it depends on if your talking easiest or best performance. In a comp you have to worry about the lockers, cuttings brakes, rear steer, cones, correct lines, perfect speed and momentum for that line. I don't think they want to add heel/toe braking and acceleration into that.

I'm more than happy to wheel all day with one foot on the gas and brake, and one on the clutch.
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Old May 12th, 2008, 11:40 AM   #16
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A stock manual is better then a stock auto (read some of the points acid washed made, they make sense), an auto properly set up will kill the manual.

Comp buggy's have properly set up auto's.

I think the manual is more fun. I don't think that for the setup I have the auto will make or break me making it over an obstacle.
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Old May 12th, 2008, 11:40 AM   #17
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Quote:
Originally Posted by hosejockey4506 View Post
auto works better hands down, any one who wants to argue the point is living under a rock . manuals might be more fun to drive in your opinion but a auto is the way to go
Auto is the way to go in your opinion.

We could do this all day. :tonka:

It is preference. Like I said, I would prefer a auto in the really tough climbs in the quarry at the Badlands, but I prefer a manual in everything else. It would be stupid to pick a tranny that you like best for >1% of your wheeling.
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Old May 12th, 2008, 11:43 AM   #18
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Quote:
Originally Posted by Bones View Post
I can't believe there is a thread called "Trans for Rocks" and people are still claiming a manual would be better. Been to a lot of comps lately?

Comp designs are, well, designed for comps, i.e. In a buggy, with adequate power, no stalling issues, unlimited budget, proper skid plating, proper driveshaft routing, proper transmission modifications, etc. THey are also built fo ra more narrow range of application.

In the real world, there are lots of different types of trucks. So everyone needs to look at their truck, their needs, their budget, their geometry, etc. Do I want an A340H behind my 22RE? No way, not even a modifed one. They two people who way auto only also are guys driving a buggy (well, one drives a boat, so a manual would be lame, there..)


If its built correctly, with enough motor, then I'd take an automatic over a manual. In Tippy's Jeep, hmm, toss up with a carb'd AMC 6 cyl...

I'm still waffling, on either a 4 cyl/manual, or a V6/auto with my current build. Just not sure...
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Old May 12th, 2008, 11:59 AM   #19
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Manual with a line lock. One less fluid pump to worry about running dry when I'm looking at the sky. Manual seems to be more precise.
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Old May 12th, 2008, 12:16 PM   #20
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I haven't had the need for a line lock/parking brake with my setup. But again, if you aren't geared corectly, then you might need it.

I just let the clutch out until it holds, then I can get on the gas. But, again, I'm over 100:1.

Last weekend at drummond island, at the citidel, there were many spots that my 4cyl/manual crawled that autos got to a ledge, stalled forward progress, hit the gas, walked it sideways, and slid back down.


I will probably stay manual with the Jeep, since my front diff is damn near centered, and I can't clear the pan on most autos.
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