1LE 3.91 Gears v6? - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Matt @ FSP · 02-04-2013, 10:27 AM

Quote:

Originally Posted by 2011Camaro

Be nice if someone did a exchange program, pumpkin for pumpkin. Most people with a little know how or a friend with know how could do a pumpkin swap and avoid the whole rebuild process.

We also perform full pumpkin exchanges too OR we can build yours if you want to keep your actual core.

You can PM me for more information.

Sikoriko · 02-04-2013, 01:18 PM

Quote:

Originally Posted by sycraft

Lashway has an exchange program too.

For a second I thought I saw Backlash-away.

jwendorf47 · 02-07-2013, 11:52 AM

From another 3.91 thread I posted in:

I installed these on my m6 LLT about 2,000 miles ago. The improvement is huge to say the least - the car feels 200 lbs lighter. My mileage actually increased in city driving (can use higher gears at city cruising speeds) by about 2-3 mpg but my highway mileage decreased by a similar amount. I used to get 22 combined with Vararam, Trifecta, LTs, and full exhaust but now I get about 20.5. I drive about 70% highway 30% city.

Drone decreased with the higher revs (I'm running a Flowmaster AMT) but YMMV.

I would definitely recommend this mod to anyone who's on the fence with it. Don't let the MPG "change" deter you - I assure you the gains are the most noticeable of any mods I've performed on my car thus far. First gear is an absolute animal now (this may be something v8 owners will not like - or you will, depending on your definition of fun haha). 6th gear is now perfectly acceptable for highway cruising/passing.

This is definitely how the car should have come from the factory.

The change for me is roughly 20% - similar to the L99.

On a side note, I can spin the rears at any point in 1st and 2nd now. Keep in mind I'm moderately modded, though.

POWERFREAK · 02-07-2013, 12:03 PM

Quote:

Originally Posted by SBMARO'11

yes i have a manual...i would need the ring n pinion too huh

that's what a ring n pinion is. If you change the gear ratio, you ARE installing ring n pinion gears.

Blu Ray · 02-17-2014, 12:39 PM

Quote:

Originally Posted by h2oplay

I have 3.73's, my opinion is 3.91 might be too much, if you're looking for a stump puller, might be OK.

Originally Posted by h2oplay
I have 3.73's, my opinion is 3.91 might be too much, if you're looking for a stump puller, might be OK.
+1 on the 3.73's.

Why you guys feel it might be to much??? When is more power ever to much

banter · 02-17-2014, 02:46 PM

I have to disagree with everyone who says to do 3.73s instead. I had 4.10s in my '99 V6 camaro and (aside from the cam that I put in later), it was the best mod by far. It had way shorter gearing than the current V6 camaros do now too, so I scoff at those saying 3.91s would be too much for the current models.

DSX_Camaro · 02-17-2014, 03:09 PM

Well the old V6s had either a 5 speed manual or a 4 speed automatic, right? That would mean that your first gear was either a 2.48(auto) or a 3.75(manual) at best. The current Camaros have either a 4.03?(auto) or a 4.48(manual) first gear. You need a lot less rear end gear to have the same multiplication. Kinda apples to oranges. So it can be argued that 3.91 and 4.10 would be a bit too much for the current Camaro...

banter · 02-17-2014, 03:16 PM

I was more referring to the final gear for gas mileage concerns. I damn near always second gear started my '99 even before the 4.10s (3.23s stock). What gear end gear does the new v6 have stock?

DSX_Camaro · 02-17-2014, 03:27 PM

All V6's have 3.23 gears stock, except the 2LS which has 2.92s.

hawkfe · 02-17-2014, 09:34 PM

Quote:

Originally Posted by VEESIKS

Be nice if someone did a exchange program, pumpkin for pumpkin. Most people with a little know how or a friend with know how could do a pumpkin swap and avoid the whole rebuild process.

I did the pumpkin swap almost a year ago, love it.

Mark114 · 02-17-2014, 10:42 PM

On the other hand the 3.91 gears are half the price of the 3.73 gears and if my math is right it is only a 5% lower gear. There is a C5 member that has had both 3.73 and 3.91 gears on his V6/A6 Camaro and he was much happier with the 3.91 gears.

rtcat600man · 02-18-2014, 05:16 AM

Quote:

Originally Posted by Mark114

On the other hand the 3.91 gears are half the price of the 3.73 gears and if my math is right it is only a 5% lower gear. There is a C5 member that has had both 3.73 and 3.91 gears on his V6/A6 Camaro and he was much happier with the 3.91 gears.

Do you remember who, or a link to a thread. I am interested in doing this swap, but am told same thing, our power band is not suited for the 3.91. Still doing more research on this one. If I am to do this it will be next winter.

etmx183 · 02-20-2014, 07:24 PM

IneedaZ has had 3.73 and is now running the 3.91 setup.

02-17-2014, 03:09 PM	#21
DSX_Camaro Drives: 2013 SW 2LT/RS LFX/AY6 Join Date: Feb 2013 Location: Orlando, FL Posts: 1,741	Well the old V6s had either a 5 speed manual or a 4 speed automatic, right? That would mean that your first gear was either a 2.48(auto) or a 3.75(manual) at best. The current Camaros have either a 4.03?(auto) or a 4.48(manual) first gear. You need a lot less rear end gear to have the same multiplication. Kinda apples to oranges. So it can be argued that 3.91 and 4.10 would be a bit too much for the current Camaro... __________________ K&N CAI, 1LE Strut Tower Brace, Elite Engineering Catch Can and Clean Side Separator, Apex Scoop w/ Washer Relocation Kit, CTS Front Calipers and Rotors, JacFab Ported Intake Manifold, JacFab Intake Manifold Spacer, 80mm Overkill Throttle Body, SS Brake Lines, Ideal Garage Master Cylinder, Monster Twin Disc Clutch, NPP Retrofit w/ Magnaflow Resonated X, ARH Catless Downpipes, JRE Built 3.45 Diff, 1LE Axles, 1LE Hubs, Overkill Tuned, BMR Anti Wheel-hop Kit Stage I, ACS TL1 Hood Insert, ZL1 Spoiler

02-17-2014, 03:27 PM	#23
DSX_Camaro Drives: 2013 SW 2LT/RS LFX/AY6 Join Date: Feb 2013 Location: Orlando, FL Posts: 1,741	All V6's have 3.23 gears stock, except the 2LS which has 2.92s. __________________ K&N CAI, 1LE Strut Tower Brace, Elite Engineering Catch Can and Clean Side Separator, Apex Scoop w/ Washer Relocation Kit, CTS Front Calipers and Rotors, JacFab Ported Intake Manifold, JacFab Intake Manifold Spacer, 80mm Overkill Throttle Body, SS Brake Lines, Ideal Garage Master Cylinder, Monster Twin Disc Clutch, NPP Retrofit w/ Magnaflow Resonated X, ARH Catless Downpipes, JRE Built 3.45 Diff, 1LE Axles, 1LE Hubs, Overkill Tuned, BMR Anti Wheel-hop Kit Stage I, ACS TL1 Hood Insert, ZL1 Spoiler

02-07-2013, 11:52 AM	#17
jwendorf47 Drives: 2013 LS3 Join Date: Jul 2011 Location: Orange County, CA Posts: 68	From another 3.91 thread I posted in: I installed these on my m6 LLT about 2,000 miles ago. The improvement is huge to say the least - the car feels 200 lbs lighter. My mileage actually increased in city driving (can use higher gears at city cruising speeds) by about 2-3 mpg but my highway mileage decreased by a similar amount. I used to get 22 combined with Vararam, Trifecta, LTs, and full exhaust but now I get about 20.5. I drive about 70% highway 30% city. Drone decreased with the higher revs (I'm running a Flowmaster AMT) but YMMV. I would definitely recommend this mod to anyone who's on the fence with it. Don't let the MPG "change" deter you - I assure you the gains are the most noticeable of any mods I've performed on my car thus far. First gear is an absolute animal now (this may be something v8 owners will not like - or you will, depending on your definition of fun haha). 6th gear is now perfectly acceptable for highway cruising/passing. This is definitely how the car should have come from the factory. The change for me is roughly 20% - similar to the L99. On a side note, I can spin the rears at any point in 1st and 2nd now. Keep in mind I'm moderately modded, though.

02-17-2014, 02:46 PM	#20
banter Drives: 2016 Camaro 2SS M6 Black Join Date: Nov 2013 Location: Bremerton, WA Posts: 582	I have to disagree with everyone who says to do 3.73s instead. I had 4.10s in my '99 V6 camaro and (aside from the cam that I put in later), it was the best mod by far. It had way shorter gearing than the current V6 camaros do now too, so I scoff at those saying 3.91s would be too much for the current models.

02-17-2014, 03:16 PM	#22
banter Drives: 2016 Camaro 2SS M6 Black Join Date: Nov 2013 Location: Bremerton, WA Posts: 582	I was more referring to the final gear for gas mileage concerns. I damn near always second gear started my '99 even before the 4.10s (3.23s stock). What gear end gear does the new v6 have stock?

02-17-2014, 10:42 PM	#25
Mark114 Drives: 2016 2SS Convertible Join Date: May 2012 Location: St. Louis, MO Posts: 1,710 View My Garage	On the other hand the 3.91 gears are half the price of the 3.73 gears and if my math is right it is only a 5% lower gear. There is a C5 member that has had both 3.73 and 3.91 gears on his V6/A6 Camaro and he was much happier with the 3.91 gears.

02-20-2014, 07:24 PM	#27
etmx183 Drives: 2012 Camaro 2LT RS Join Date: Mar 2012 Location: Baltimore, Maryland Posts: 1,633 View My Garage	IneedaZ has had 3.73 and is now running the 3.91 setup.