question about T-176! - JeepForum.com
Search  
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > Models > Jeep CJ Forum > question about T-176!

Advance Adapters SYE KitsOconee Off-Road Jeep Night!SYE Kits from CCOR! 706-207-4140

Reply
Unread 05-07-2012, 09:16 AM   #1
amir_abbas
Registered User
1978 CJ7 
 
Join Date: Nov 2010
Location: Lavasan, Iran
Posts: 54
question about T-176!

Hi all!
I heard that T-176 has two types with two different gear ratios. One goes with L6 engine and the other with V8.
Does it correct?! or there is only one type with just one gear ratio?

amir_abbas is offline   Reply With Quote
Unread 05-07-2012, 10:02 AM   #2
wm69
Registered User
 
Join Date: Jun 2003
Posts: 3,151
T177 came in FSJ's and had a lower 1st gear. I got a T177 that the previous owner said came original in his CJ5, but most sources say the T177 was FSJ only, while the T176 was CJ only
__________________
85 CJ7 258, borla header, Team Rush, MC2100 ,optima batt, Warn 8274, agr super box 2 & pump, T5 w/ B&M shifter, centerforce 2, superior 1 piece axles, warn hubs 2.5 in lift, 31" BFG MT

85 CJ7 258, A/C, T176, MC2100, Team Rush, Warn XD8000i, superwinch hubs, 3in lift 31" BFG AT/KO
wm69 is offline   Reply With Quote
Unread 05-07-2012, 10:21 AM   #3
amir_abbas
Registered User
1978 CJ7 
 
Join Date: Nov 2010
Location: Lavasan, Iran
Posts: 54
Thanks but T-177 and T-178 are different from T-176.
I mean T-176 itself has two types or not??!
amir_abbas is offline   Reply With Quote
Unread 05-07-2012, 10:26 AM   #4
Cutlass327
Web Wheeler
 
Cutlass327's Avatar
1978 CJ5 
 
Join Date: Jan 2009
Location: Massillon, Ohio
Posts: 5,096
http://www.novak-adapt.com/knowledge/t176.htm

They are all considered the 'same' transmission, only the number designation says what is inside is the way I take it. Check out the 3rd paragraph in the link above..
__________________
Rick

1978 CJ5 258/T177/D300, '86 D30/D44 WT axles, 'glass tub windshield frame, and fenders, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

http://www.jeepforum.com/forum/f8/ri...8-cj5-1223197/
Cutlass327 is offline   Reply With Quote
Unread 05-07-2012, 10:44 AM   #5
80cj
Web Wheeler
 
80cj's Avatar
1980 CJ5 
 
Join Date: May 2002
Location: Hawaii
Posts: 5,796
T-176's and T-177's were used in CJ's contrary to what a few web sites say about them only being used in FSJ's. I have a T-176 that came stock in my 80 CJ-5. I've found T-177's in 81 and later CJ's. In fact, I think most of the T-176's out there are actually T-177's since it makes sense that as Jeep upped rearend ratios to conserve gas, they offset the higher gear ratio with a transmission with a lower first gear.

Look at the tag riveted to the front passenger side of the transmission case. It will have one of these ID numbers:

5359389 = T-177 (3.82 first gear)
5359390 = T-176 (3.52 first gear)


80cj is offline   Reply With Quote
Unread 05-07-2012, 10:49 AM   #6
wm69
Registered User
 
Join Date: Jun 2003
Posts: 3,151
http://www.jeepforum.com/forum/f8/up...-177-a-971945/
__________________
85 CJ7 258, borla header, Team Rush, MC2100 ,optima batt, Warn 8274, agr super box 2 & pump, T5 w/ B&M shifter, centerforce 2, superior 1 piece axles, warn hubs 2.5 in lift, 31" BFG MT

85 CJ7 258, A/C, T176, MC2100, Team Rush, Warn XD8000i, superwinch hubs, 3in lift 31" BFG AT/KO
wm69 is offline   Reply With Quote
Unread 05-07-2012, 10:59 AM   #7
amir_abbas
Registered User
1978 CJ7 
 
Join Date: Nov 2010
Location: Lavasan, Iran
Posts: 54
so you all tell about T-177 but again I say:
Does T-176 itself has 2 types?! yes or no??
amir_abbas is offline   Reply With Quote
Unread 05-07-2012, 11:56 AM   #8
BeatCJ
Registered User
1981 CJ5 
 
Join Date: Sep 2009
Location: SW WA State
Posts: 72
No. Tremec made 3 transmissions with very similar parts. The difference between a T-176, T177 and T-178 is in the gear ratios.

Wait, that's not exactly right. There were different input shaft lengths, used in full Size Jeeps, with a spacer. It was used to move the transmission back from the dash, so the shift lever wouldn't hit the dash.

Why? It seems like you have more to your question.
__________________
There are some things you will learn while holding a cat by the tail that can be learned no other way...
BeatCJ is offline   Reply With Quote
Unread 05-07-2012, 12:23 PM   #9
amir_abbas
Registered User
1978 CJ7 
 
Join Date: Nov 2010
Location: Lavasan, Iran
Posts: 54
Quote:
Originally Posted by BeatCJ View Post
No. Tremec made 3 transmissions with very similar parts. The difference between a T-176, T177 and T-178 is in the gear ratios.

Wait, that's not exactly right. There were different input shaft lengths, used in full Size Jeeps, with a spacer. It was used to move the transmission back from the dash, so the shift lever wouldn't hit the dash.

Why? It seems like you have more to your question.
What?!
amir_abbas is offline   Reply With Quote
Unread 05-07-2012, 12:36 PM   #10
BeatCJ
Registered User
1981 CJ5 
 
Join Date: Sep 2009
Location: SW WA State
Posts: 72
Just curious why you are asking. Do you have a specific question, are you looking at two different transmissions, one looks like a T-176, but is a little off, or something? Does one have overdrive, or just a different gear ratio?
__________________
There are some things you will learn while holding a cat by the tail that can be learned no other way...
BeatCJ is offline   Reply With Quote
Unread 05-07-2012, 12:37 PM   #11
wm69
Registered User
 
Join Date: Jun 2003
Posts: 3,151
Well, according to this, and if you ONLY want to use the exact T176 designation, then no....

http://www.advanceadapters.com/tech-vault/tremec-t176/

of course, that same info sheet also mentions that there were other variations of the T176, namely, the T177 and T178.

Perhaps you should give more info as to what exactly you are trying to do and what specific information you are looking for in regards to the T176

Going from your initial question, then YES. There was a T176 behind most 6 cylinders in CJ's, and there was the same transmission with different input shaft length and a different gear ratio which was used behind V8's in FSJ's, which was the exact same transmission otherwise, and so one could tell the difference, they designated the one with a different gear ratio the T177!
__________________
85 CJ7 258, borla header, Team Rush, MC2100 ,optima batt, Warn 8274, agr super box 2 & pump, T5 w/ B&M shifter, centerforce 2, superior 1 piece axles, warn hubs 2.5 in lift, 31" BFG MT

85 CJ7 258, A/C, T176, MC2100, Team Rush, Warn XD8000i, superwinch hubs, 3in lift 31" BFG AT/KO
wm69 is offline   Reply With Quote
Unread 05-07-2012, 12:56 PM   #12
amir_abbas
Registered User
1978 CJ7 
 
Join Date: Nov 2010
Location: Lavasan, Iran
Posts: 54
I reached to answer!
thank you all!
.
I just confused between these T-176 and T-177.
amir_abbas is offline   Reply With Quote
Unread 05-08-2012, 10:12 AM   #13
Cutlass327
Web Wheeler
 
Cutlass327's Avatar
1978 CJ5 
 
Join Date: Jan 2009
Location: Massillon, Ohio
Posts: 5,096
To add to this, according to the p/n stamped on the tag of the transmission I just bought from a guy saying the transmission came from an 80's CJ I have a T177.. tag #5358839.
__________________
Rick

1978 CJ5 258/T177/D300, '86 D30/D44 WT axles, 'glass tub windshield frame, and fenders, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

http://www.jeepforum.com/forum/f8/ri...8-cj5-1223197/
Cutlass327 is offline   Reply With Quote
Unread 05-08-2012, 10:35 AM   #14
amir_abbas
Registered User
1978 CJ7 
 
Join Date: Nov 2010
Location: Lavasan, Iran
Posts: 54
T-177 is a version of T-176 for L6 engine and T-176 is for V8 engine.
amir_abbas is offline   Reply With Quote
Unread 05-08-2012, 12:07 PM   #15
80cj
Web Wheeler
 
80cj's Avatar
1980 CJ5 
 
Join Date: May 2002
Location: Hawaii
Posts: 5,796
Quote:
Originally Posted by amir_abbas View Post
T-177 is a version of T-176 for L6 engine and T-176 is for V8 engine.
Not necessarily. 80 CJ-5's with 304 came with T-176 but FSJ's with V-8's came with T-178. T-178's have 3:1 first gear with long input shaft.
80cj is offline   Reply With Quote
Reply
Thread Tools


Suggested Threads





Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.