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 dual cases
#793010
02/27/07 01:27 AM
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Joined: Aug 2004
Posts: 669
OP
Rock Warrior
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so i have decided to go with dual cases in the near future.
this is on a W56 tranny. will be using stock case gears and 21 spline setup.
plan on buying the adaptor kit and crossmember from marlin. what else do i need (other than driveshaft mods)?
i have a transfer case off a G52 trans, this is the same case as a W56 correct?
anything else i should look into?
-matt
-'88 toy x-cab, SAS, chevys, gears, lockers, free tires, dented body mod.
-'87 4runner, bone stock DD
"It's OK to do stupid things, as long as you are not stupid about it."
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Re: dual cases
[Re: eightyeight]
#793011
02/27/07 01:43 AM
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Joined: Jan 2003
Posts: 1,355
Body Damage is Cool
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the G52 trans will most likely be a forward shift case.
Correct me if I'm wrong, I think you'll need to get the parts to make it a top shift too.
I think that's it though.
You're going to do stock gears in each case then?
If/when I do that I'd like to do 4.7 gears in the rear case, stock in front. Just my thoughts.
Todd
1986 Pickup extracab longbed "Woody edition"
SAS - 33's, 5.29's, lockright rear.
02 IS300 SportCross - my "DD"
94 2wd v6 extracab
04 Outback Wagon- wife's/family car
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Re: dual cases
[Re: Elbow_Greese]
#793012
02/27/07 02:53 AM
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Joined: Apr 2004
Posts: 2,010
Body Damage is Cool
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i have a g52 and it's forward shift. i'm pretty sure you need the top shift case from a 22re tranny. or at least thats what marlin told me when i talked to him about doing dual cases on my truck.
87 22R PU, 2? body lift, 33? BFG muds, 4.88's, F&R Lock-Rights, Rancho Shocks, EB's Street RV Head w/ 268 Cam, LCE Header, 2" to 2 1/4" exhaust, Flowmaster 50 series, Magnaflow high flow cat, complete Herculined SR5 interior, V6 BB, MC, and calipers.
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Re: dual cases
[Re: 87Toy4x4]
#793013
02/27/07 03:05 AM
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Joined: Aug 2004
Posts: 669
OP
Rock Warrior
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alright, good to know. i can get a tcase off a W56 trans.
im going with stock gears for now for money reasons. sure 4.7's would be nice, but itll end up costing twice as much. i can always regear later anyways. and it'll be a hellova lot better than a single stock case.
-matt
-'88 toy x-cab, SAS, chevys, gears, lockers, free tires, dented body mod.
-'87 4runner, bone stock DD
"It's OK to do stupid things, as long as you are not stupid about it."
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Re: dual cases
[Re: eightyeight]
#793014
02/27/07 03:11 AM
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Joined: Apr 2004
Posts: 2,010
Body Damage is Cool
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plus when you run 4.7's you have to upgrade the spline on your transfer case which is $$.
87 22R PU, 2? body lift, 33? BFG muds, 4.88's, F&R Lock-Rights, Rancho Shocks, EB's Street RV Head w/ 268 Cam, LCE Header, 2" to 2 1/4" exhaust, Flowmaster 50 series, Magnaflow high flow cat, complete Herculined SR5 interior, V6 BB, MC, and calipers.
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Re: dual cases
[Re: eightyeight]
#793015
02/27/07 03:12 AM
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Joined: Jan 2003
Posts: 1,355
Body Damage is Cool
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That's the main reason I haven't done duals yet.
I already have a second case, but the money is no where near there. I'll continue having fun with the way it is for a while though!
1986 Pickup extracab longbed "Woody edition"
SAS - 33's, 5.29's, lockright rear.
02 IS300 SportCross - my "DD"
94 2wd v6 extracab
04 Outback Wagon- wife's/family car
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Re: dual cases
[Re: 87Toy4x4]
#793016
02/27/07 04:15 AM
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Joined: Dec 2000
Posts: 882
Rock Warrior
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why would you have to upgrade the spines?
the 4.7 set 21 spline is beefy... I just put a set in my wifes truck. single case.
with the forward shift transmission and a top shift case you can make the single case a twin stick easy.. My wife loves hers.
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Re: dual cases
[Re: missouriman]
#793017
02/27/07 04:33 AM
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Joined: Apr 2004
Posts: 2,010
Body Damage is Cool
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Last year I called up marlin b/c i was debating on doing dual cases, or getting 4.7 crawler gears, but in the end some other things came up and i wasn't able to get either lol. Anyway, he told me i would have to upgrade the input spline on my transfer case if i was to get crawler gears instead of dual cases, which was extra. But it looks like on the site that it's included in the kit, i just took his word for it.
87 22R PU, 2? body lift, 33? BFG muds, 4.88's, F&R Lock-Rights, Rancho Shocks, EB's Street RV Head w/ 268 Cam, LCE Header, 2" to 2 1/4" exhaust, Flowmaster 50 series, Magnaflow high flow cat, complete Herculined SR5 interior, V6 BB, MC, and calipers.
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Re: dual cases
[Re: 87Toy4x4]
#793018
02/27/07 04:45 AM
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Joined: Feb 2001
Posts: 3,935
Roll Me Over
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Marlin recommends running 23 spline in the rear case whenever possible. Many, MANY people run 21 splines, but they have a higher instance of failure.
Brian K. Gallus
I have nothing important to say.
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Re: dual cases
[Re: 87Toy4x4]
#793019
02/27/07 04:57 AM
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Joined: Dec 2000
Posts: 882
Rock Warrior
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oh, and I am running dual stock cases in mine.
the only problem that I have is that the shop I had put them together didn't use marlin's adaptor, even though that is what I bought. I just found out about 2 months ago it is an AA adaptor. that is why it growels.
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