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Old October 16th, 2012, 02:58 AM   #1
chadcooper55
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Default Transmission options for 5.3 buggy

I am researching different options for transmissions for my buggy. Right now it has a 4l60 behind a 5.3 and I have a ford 205 I am planning to run. Adapter is $550ish. After doing a little research I believe if you build an adapter ring for a 4l80 the 205 should mount right up. Is this correct? Will I be happier with a 4l80 than the 4l60?
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Old October 16th, 2012, 06:24 AM   #2
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I put a 4l80 in my jeep behind a semi built 5.3 for the strength reasons alone. The gearing isn't quite as nice in the 80 compared to the 60 but it works. If you are running a stock 205 (1.96 to 1 I believe) it may not be enough.

4l60e
1st-3.06
2nd-1.63
3rd-1.0
4th-0.7

4l80e
1st-2.48
2nd-1.48
3rd-1
4th-0.75

Size wise, the 80 is a decent amount longer and wider.
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Old October 16th, 2012, 06:53 AM   #3
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Quote:
Originally Posted by chadcooper55 View Post
I am researching different options for transmissions for my buggy. Right now it has a 4l60 behind a 5.3 and I have a ford 205 I am planning to run. Adapter is $550ish. After doing a little research I believe if you build an adapter ring for a 4l80 the 205 should mount right up. Is this correct? Will I be happier with a 4l80 than the 4l60?
No. The 4l80e has a 32 spline output and the Ford 205 has a 31 spline input. Northwest Fab sells different input shafts, so you could swap the input shaft in the tcase and use a clocking ring.

http://www.northwestfab.com/Transfer...afts_c_74.html

http://www.northwestfab.com/6-Bolt-R...P205_c_90.html
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Old October 16th, 2012, 01:45 PM   #4
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It is a buggy on 42's so it is never going to see the street so how about a th400? I don't see a need for od anyways. I am just trying to build it as bulletproof as possible for a reasonable price. I am just worried about sinking a bunch of cash into a 4l60 adapter and not end up being happy with it. Or should I just leave the 4l60 and stop worrying?
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Old October 16th, 2012, 01:49 PM   #5
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4L80E. life will be much better. they are tough and hard to wreck. we are putting one in my camaro for this reason.
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Old October 16th, 2012, 01:51 PM   #6
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I haven't found any options for rehearing the ford 205 so I think I am stuck with stock.
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Old October 16th, 2012, 01:55 PM   #7
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I haven't found any options for rehearing the ford 205 so I think I am stuck with stock.
get a 4l80e with the tcase already behind it. they can be had for cheap.
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Old October 16th, 2012, 01:57 PM   #8
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get a 4l80e with the tcase already behind it. they can be had for cheap.
Drivers drop with a fixed yoke that can be twin sticked and isn't a chain drive?
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Old October 16th, 2012, 02:03 PM   #9
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Drivers drop with a fixed yoke that can be twin sticked and isn't a chain drive?
if you wanna be picky fine then.
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Old October 16th, 2012, 02:05 PM   #10
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if you wanna be picky fine then.
Hahaha

I'm picky, I know!
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Old October 16th, 2012, 02:07 PM   #11
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In a buggy, I'd go with a TH350 or TH400 over the electronic trans. You don't need overdrive, as stated. I'd have no concerns running either behind a 5.3..

Ive seen too many tuning issues over trying to sort out VSS and shift points. Some people love it, and like to be able to go in and tinker with the settings. I'd want it as simple as possible.
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Old October 16th, 2012, 02:14 PM   #12
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Quote:
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In a buggy, I'd go with a TH350 or TH400 over the electronic trans. You don't need overdrive, as stated. I'd have no concerns running either behind a 5.3..

Ive seen too many tuning issues over trying to sort out VSS and shift points. Some people love it, and like to be able to go in and tinker with the settings. I'd want it as simple as possible.
The 5.3 is stock but it won't stay that way. I can see more hp in the future. I just want bulletproof.

I am not a "tuner" I want to hop in it, hit the key and take it off some sweet jumps
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Old October 17th, 2012, 07:24 AM   #13
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The 4l80e I have has a full manual valve body in it and I LOVE IT!

What year 5.3 and if 04 or newer are you keeping the electronic throttle body? That would play a role in a th350 or th400 choice since you won't have many options for the tv cable.
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Old October 17th, 2012, 07:30 AM   #14
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I have a TH350 paired to a 6.0 in my jeep. Mechanically it works great but even in the trails and at the parks I wish I had overdrive.
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Old October 17th, 2012, 08:19 AM   #15
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Quote:
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The 4l80e I have has a full manual valve body in it and I LOVE IT!

What year 5.3 and if 04 or newer are you keeping the electronic throttle body? That would play a role in a th350 or th400 choice since you won't have many options for the tv cable.
They don't use TV cables, but kickdown cable/switches, which are not so critical. The TH350 can be handled by mounting the kickdown cable on the pedal. The TH400 uses a kickdown switch.

A true TV cable is much trickier, like the 700R4. I have my 700R4 setup for full manual/constant line pressure, to eliminate the TV cable, since my LS3 won't have any provision to pull it....
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Old October 17th, 2012, 08:36 AM   #16
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They don't use TV cables, but kickdown cable/switches, which are not so critical. The TH350 can be handled by mounting the kickdown cable on the pedal. The TH400 uses a kickdown switch.

A true TV cable is much trickier, like the 700R4. I have my 700R4 setup for full manual/constant line pressure, to eliminate the TV cable, since my LS3 won't have any provision to pull it....
Makes sense. I had been looking at a 700r4 and for some reason thought the 350/400 had one as well.
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Old October 17th, 2012, 09:36 AM   #17
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I have a TH350 paired to a 6.0 in my jeep. Mechanically it works great but even in the trails and at the parks I wish I had overdrive.
get a lockup converter.
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Old October 17th, 2012, 09:47 AM   #18
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SM465/NV4500 TH400/th350. manuals excluded, parts are cheap and rebuilds can be completed by any idiot who can use google. sm465's are throw away 75$ deals IF you can manage to break one...which is tough.
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Old October 17th, 2012, 10:42 AM   #19
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It is an early 5.3. I want to stick with an auto but with a manual valve body.I saw a couple writeups on pirate on cheap adapters for using a ford 205 with a th400.

Whiterhino, for an offroad only buggy what circumstances would I actually use od? With a 205 having a very high low range it doesnt seem like I would ever need it but you have a Hell of a lot more experience than me.
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Old October 17th, 2012, 10:58 AM   #20
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As an example we are at R&V and pull out of a trail and are going to run 1/8 mile down to another trail. As the others are buzzing along at 25 mph (or whatever it is) I'm either A)wringing out my rig @ a high rpm, B) falling behind or C) shifting into high range and then back into low range again. Or, wer're at the the dunes playing follow the leader in the tight & twisties. We decide to buzz out to the beach. It's only a couple hundred yards but it I end up shifting into high range. I like to run low range on the steep hills at the dunes from an idle or slight roll. Every time I crest a hill I'm limited on speed to the next hill.

Many trails I have run have flat smooth spots where we will momentarily get up to a speed where I would like to have a 4th gear. It's not a big enough deal to dive into a trans swap but if I were starting fresh it's something I would at least put on the list for consideration.
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