33 posts - 12 authors - Last post: Nov 9, 2005which gears should i go with on my stock Lg4 except for exhaust and k&N .

6 posts - 3 authors - Last post: Jan 31, 20083.73 vs 3.42 and .79 vs .74 3rd Gen Engine and Drivetrain -> 2003-2007.

21 posts - 12 authors - Last post: Sep 13The 3.42 is virsitile in that the 2" tire size difference is like a 3.42 VS 3.73 as noted above but a 28" VS 26"tire could be seen as .

10 posts - 6 authors - Last post: Feb 17, 20093.42 is usually better for economy. 4.10 is best for acceleration and towing .

8 posts - 7 authors - Last post: Jan 21, 2002#73715 - 01/20/02 09:23 PM 3.42 vs. 3.73. quadzilla200 quadzilla200. New Member Registered: 01/10/02. Posts: 14 .

10 posts - 9 authors - Last post: Jul 11, 2003Hi, I am looking at getting a used Chevrolet truck w/ 5.7L eng. and I can't decide what gear ratio to go with. I will be towing a 24' camper at .

9 posts - 5 authors - Last post: May 7, 2009i have the stock 3.42 gears or at least i think the stock gear is what is in there, my question is how much difference would i see by replacing .

11 posts - 9 authors - Last post: Nov 14, 20063.42s in theory would get better fuel economy and have a higher top speed. 3 .

2 posts - 2 authors - Last post: Jan 15, 2007Does anyone have the numbers on torque increase by swaping from 3.42 axle to 3.73? What about MPG decrease?

6 posts - 5 authors - Last post: Jul 24, 2009I'm looking to purchase a Chevy Suburban with a 5.3L V8 to tow a 5000 lb boat, motor and trailer. I understand that a 3.73 axle is better for .

13 posts - 5 authors - Last post: Jul 18, 2010I did a google and read a lot about 3.42 vs 3.73, seems like I'd only lose about a tenth in the 1/8th mile but like I said, I'd drop about 300 rpm at .

12 posts - 8 authors - Last post: Mar 11, 2009S10Forum.com is the place to discuss 3.42 vs 3.73. . 3.42 vs 3.73. is there much of a difference at all? i'm looking at getting a new .

14 posts - 11 authors - Last post: Dec 6, 2007I've never had a 3.42 so I can't say, but I can tell you that if you get an SUV (Tahoe/Suburban) the 3.73 is DEFINITELY worth the extra .

23 posts - 14 authors - Last post: Aug 17, 2003I dropped .2 sec with a change from 3.42 to 3.73 and I spun less because I'm using a good converter and know how to launch it. .

6 posts - 4 authors - Last post: Jul 11, 2003i have a chevy with 3.42 ratio and 5.7 motor and 4L60E transmission. Every .

5 posts - 3 authors - Last post: Dec 17, 2002LOL - I still seem to pull about .100 quicker with the 3.42's on the stock engine vs the 3.73's - but adding 100bhp lets the 3.73's shine. .

7 posts - 5 authors - Last post: Sep 30, 2010Page 2- 3.08 vs 3.42 vs 3.73 gas mileage? Drivetrain.

9 posts - 5 authors - Last post: Nov 14, 2003what kind of performance diff would 3.73 vs 3.42 both with rear locking .

20 posts - 9 authors - Last post: Nov 26, 2005Last weekend I put a T56 in my originally automatic TA. The rear end is still a 2.73 and it sucks! (of course). I'll soon install a shorter ratio but.

4 posts - 3 authorsIs there any difference between the 3.73s and 3.42s at the track with an auto car? I would like to gear the car down for next year but im not sure witch would be .

12 posts - 8 authors - Last post: Apr 15, 20073.42 VS. 3.73 questions, MrNorthFace, General, 1, 04-14-2007 10:45 AM. pros and cons with 3.42 gears and 3.73 gears, majorpain, General .

12 posts - 9 authors - Last post: Aug 24, 2006and was wondering what sort of priority i should place on finding a used one with a 3.73 ratio as opposed to the 3.42. I know it would be better, .

10 posts - 10 authors - Last post: Jan 22, 2008I currently pull my PS205 with chevy 5.3L and 3.42 rear end. Does the 3.73 rear end have significant difference in towing ability and non-towing .

8 posts - 7 authors - Last post: Oct 18, 20063.42 vs. 3.73 gear ratios. Options V. Options. V Track this topic. V Email this topic. V Print this topic. V Download this topic. V Subscribe to this .

9 posts - 7 authors - Last post: Sep 1, 2002I originally wanted 3.73 gears. I know the 3.73 gears will give me a better take off on the 1/4 mile, and that the 3.42 gears will give me .

10 posts - 8 authors - Last post: May 16, 2010Ok guys I'm ordering a new 6.2 silverado normally I would get the 3.42 with an old a4 tranny. Now that we have a a6 would 3.73 be better .

Apr 25, 2009 – I'm looking at getting a 6.7L before the new body style .

6 posts - 4 authors - Last post: Mar 27, 20053.42 gears vs. 3.73 gears Transmission & Driveline Topics.

10 posts - 8 authors - Last post: Jan 2, 2009The 2008 TB, LT with the I-6, I just bought has a 3.42 gear. I think my 2002 .

4 posts - 3 authors - Last post: Aug 14, 2005chart below will help some people out with gearing and rpm issues. Im using the top speed in 3rd gear because thats the gear that will top out .

8 answers - Jan 19, 2007What's the difference between using 3.42 and 3.73 rear end gear ratios? I'm building up my 2003 S-10. it has the VORTEC V-6 with the 4 speed .

8 posts - 4 authors - Last post: Oct 28, 2006Bail me out if you can, I did a search to see if this topic has been .

12 posts - 6 authors - Last post: Mar 27, 2010Anyway, I had a 08 MC with G56-3.42 that got totaled - water damage and I have to pick a new 2010 as a replacement. Don't wanna go into .

17 posts - 11 authors - Last post: Sep 2, 20063.73 rear end vs. 3.42 rear end? Drivetrain & Performance.

6 posts - 5 authors - Last post: Jul 24, 2009[Archive] 3.42 vs 3.73 Suburban axle Trucks & Trailers.

5 posts - 3 authors - Last post: Mar 4, 20053.42 VS. 3.73 Gearing Questions: TrailBlazer | Trailblazer EXT Car Forums.

8 posts - 7 authors - Last post: Jan 21, 2002i've had the 3.42 and the 3.73 on a reg. cab step side 5.3 and the gas mileage differance would be hard to compare. with the 3.42, .

12 posts - 8 authors - Last post: Dec 11, 2006Hi Guys Going to rebuild my rear and was trying to decide what ratio to go with. I want a good solid take off but dont want.

4 posts - 3 authors - Last post: Jul 6, 2009The car still has the factory 3.23s and I am looking at 3.42 or a 3.73 has anyone else been down this path? Got any experiences to relate .

15 posts - 8 authors - Last post: Dec 10, 2004Gear wars 3.42 vs 3.73 vs 3.90 C6 Tech/Performance.

12 posts - 8 authors - Last post: Sep 29, 2010I've read the sticky under drivetrain section, but the opionion seems inconclusive. Stay with the 3.08 or go to 3.42 or 3.73? I do like to go fast . .

12 posts - 7 authors - Last post: Sep 11, 2007I'd really need a few weeks with a 3.73 or 3.42 equipped Avalanche LTZ 5.3l 4x4 to unequivocally back doh's post above, but my personal .

3 posts - 3 authors - Last post: Jul 13I have a 2006 silverado 1500 with 5.3L Vortec and 3.42 gears. Towing is a real issue, especially in the summer with the AC on. Tinkering with .

My Corvette Photos. Member Since: May 2003. Location: Not QUITE the armpit of Southern Maryland, but scary close. Default MN6 3.42 vs 3.73 gears .

Jul 6, 2003 – Boat and trailer weigh less than 3000 pounds. I know the 3.73 rear end is better, but will the 3.42 be okay. The Tahoe will have a 5.3 or 5.7 V-8. .

15 posts - 8 authors - Last post: Feb 25, 20033.42 vs. 3.73 in an A4 V6 Tech. . Ok, what is the real deal on 3.42 gears as opposed to 3.73s in an A4. I hear 3.42 are the best gears for a 3.8 .

33 posts - 12 authors - Last post: Feb 9Is it 3.08, 3.42, or 3.73? I've heard of some swapping their 3.08's for 3.42's in their impalas but I have a hard time believing GM would call .

18 posts - 17 authors - Last post: Jan 21, 2008Originally Posted by Urban Legend Go straight to 3.73s. Also ensure that whoever installs these gears knows what they are doing. If not it will .

I've got a 1992 3/4 ton GMC with the 5.7L TBI, 125in wheelbase, 700R4 Automatic Tranny and 3.42 gears in the rear. I have a hard time with hills in the Ozarks, .

7 posts - 5 authors - Last post: Mar 14I see from the specs that the 3.42 gears results in approx 4000 lb decrease in towing capacity (9900 lb vs 13900 lb with the 3.73) gear. Honestly .

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