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Unread 04-27-2013, 10:06 AM   #1
climberman
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T-176 & Dana 300

We have the 1979 CJ5 and have found a T-176 & Dana 300 a guy wants to sell for 600. Would like some advice on that combination verses the T-18 possibility. And need to know if the bell-housings we have will work for the T-176? The bell-housing we have is the stock one for CJ5.

Thanks

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Unread 04-27-2013, 10:43 AM   #2
John Strenk
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First gear on a T-18 is way lower than a t-176

The T-176 will bolt right onto the 79 bellhousing. There were no t-4 or t-5 in 79
I'm not exactly sure about the T-18. Depends i think what one you get. At least 3 out of 4 will go right in.

T-18 is a lot stronger.
T-176 is a lot lighter

T-18 usually has a Dana-20 t-case
T-176 usually has a Dana 300 t-case

T-18 is more like a 3 speed with a creaper
T-176 is a 4 speed.

What are you planning on doing with the jeep?
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Unread 04-27-2013, 01:13 PM   #3
climberman
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The other question then would be do you the the T176 is the best way to go. I am thinking that it is for one thing I was told that the T18 doesn't bolt up to our transfer-case you need an adapter that cost $500. I think that the T176 will be closer to a bolt in.

We are planning on mostly highway driving and some trips to Moab but nothing sirius
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Unread 04-27-2013, 02:37 PM   #4
spottedfrog
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I chose to go with a T-176/d300 combo in my CJ5.
I went this way over the T18 because for around the same money as adapting a T18 I could get the LowMax 4:1 kit.
So I can have a "real" 4 speed and the same low gear as a T18, and a broader selection of low gears to chose from, with out the big jump from 1st.
I'm waiting on my new 258 from the machinist to so I can install though.
I Liked the gear spread on my old AX15 and the T176 is close to that minus the 5th gear.

I got my T176 in the back of my CJ when I bought it. I bought a D300/SR4/ and skid plate later. I sold the SR4 for what I bought the D300/SR4 combo for. so even money.
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Unread 04-27-2013, 03:24 PM   #5
climberman
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That is great news that is what we will do. One more question do I need to change the clutch assemble, bearing and pressure plate?
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Unread 04-27-2013, 05:54 PM   #6
BESRK
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IIRC, the T150 uses a 10 spline 1 1/16" input shaft and the T176 uses a 10 spline 1 1/8" input shaft. So, you'd need to at least change out the clutch disk.

I'd also check the pilot bushing diameter to make sure it'll work.. can't remember offhand.

If it were me, I'd go ahead and throw in a new pressure plate and throwout bearing.. along with the new disk.
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Unread 04-27-2013, 05:57 PM   #7
spottedfrog
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I got a clutch kit for a '80 4spd. included clutch, pressure plate, and throw out bearing. the T150 bell housing is the same. you will need new drive shafts, but you would with a T18 too.
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Unread 04-27-2013, 06:18 PM   #8
climberman
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Lost me on the drive shaft can you elaborate.
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Unread 04-27-2013, 06:27 PM   #9
spottedfrog
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T176 is longer than the T150 so it is a shorter distance to the rear axle, and a longer distance to the front. you need to shorten (possible Double cardin) the rear, and get a longer one for the front.

the length issue is also why we CJ5 owners are pretty much stuck with the 4spd. unless you stretch the wheel base, or stay on the road.
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Unread 04-27-2013, 06:52 PM   #10
climberman
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Are you talking about the drive line

We lifted the jeep 6 inches and have a CV drive line (I don't know what you mean here (possible Double cardin) ) And shorten the rear what?

Thanks
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Unread 04-27-2013, 07:12 PM   #11
spottedfrog
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http://en.wikipedia.org/wiki/Drive_shaft

same as drive line. Front and rear. Front shaft needs longer, rear shaft needs shorter.
YMMV.
Double Cardan helps with the sever angles of a really short shaft. Your CV shaft is the same deal.
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Unread 04-27-2013, 07:37 PM   #12
climberman
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So I just need to shorten the rear drive line and make the front longer That is easy enough.

The person that I am buying the trans and transfer-case from measured them and he said they are shorter then what I have but I will check it out when I go there.
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Unread 04-27-2013, 07:53 PM   #13
spottedfrog
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With lift and assorted mods one can never be 100% but it is some thing to take into consideration.
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Unread 04-27-2013, 08:13 PM   #14
climberman
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Thanks to everyone for the help
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