Wider tires on my stock 20's - effect on transmission - TundraTalk.net

roosho · 06-25-2008, 08:58 PM

So I called NTB to ask about getting wider tires on my stock 20" alloys and the guy told me to first go to the dealer to get them to reset the computer, because the wider tire will "screw up" the transmission.

He said that he knew a mechanic for Lexus that had a Tundra and that guy said he would never put on wider/bigger tires due to the effect on the transmission.

Anyone know anything about this?

Also, assuming there really isnt much to worry about, I want a beefier tire. I don't care too much about the diameter, more so the width.

Any suggestions?

Mark-5.7 · 06-25-2008, 09:19 PM

I put 305-50-20 Yokos on mine with no prob. Same diameter will have no effect on a tranny.

kit · 06-26-2008, 03:10 AM

Your not going to affect the transmission that much if any. It's nothing compared to the guys on here running 35's/37's. You having nothing to worry about. What size do you want to install?

Can fit these on stock height

305-50-20 32
305-55-20 33
275-60-20 32

I'm sure theres others the 305's are the most popular.

ramoine · 06-26-2008, 09:22 AM

I have 285/55/20 on stock rims . They did not rubb at all , until after I got my lift . I then had to trimm the skid Plate . My tires came stock as well as wheels . The problem with my rims are the offset if I went with anything taller on this rim in the 55 it would rubb the upper control arm. a 60 series would fit .

drillrx · 06-29-2008, 01:49 AM

I'm running a Goodyear Wrangler ATS 275/65 20 and there is still a hands width between the tire and control arm with stock rims and the toytec 3"

I too had to trim the front skid plate though

roosho · 06-29-2008, 08:30 AM

I think I'm going to go with the 305's, but the question now is BF Goodrich AT or Nitto Terra Grapplers?

There is a significant price difference.

Any opinions/suggestions?

SapperTundra · 06-29-2008, 12:33 PM

I've ran these b4 and the did great and the price makes the deal even better

305/55/20s(33.5) for $283 and 325/60/20(35.3) for $278....

drillrx · 06-30-2008, 12:32 AM

The Goodyear Wrangler AT/s I mentioned before are 135 a tire from big brand tires. I got them to price match from tirerack.com.

kit · 06-30-2008, 03:46 PM

BFG is the hands down winner for some.

Nitto is a bargain for some.

Either way both tires are decent. But the Nitto is a harder/rougher tire. BFG is the quieter tire and softer tire. If you can't afford the BFG get the Nitto. If you can get the BFG. Either way, the difference is for a lot of things:

BFG

Looks
Off Roading
Quiet for an A/T tire
pretty soft tire
heavier so loss in MPG

Nitto

Looks not that great
Off Roading Good
Quiet for an A/T tire
Stiff/Rougher tire
lighter so slight if any loss in MPG

N900WM · 07-15-2008, 03:31 PM

Does anyone have pics with the 305's on stock 20's?

2008_CrewMax · 07-15-2008, 05:11 PM

Quote:

Originally Posted by roosho

I think I'm going to go with the 305's, but the question now is BF Goodrich AT or Nitto Terra Grapplers?

There is a significant price difference.

Any opinions/suggestions?

Nitto's out of those 2 are my suggestion.

Id look into an M/T tire for a good aggressive look like the Toyo Open Country M/T

06-25-2008, 08:58 PM	#1 (permalink)
roosho Junior Member Join Date: Jun 2008 Posts: 7	Wider tires on my stock 20's - effect on transmission So I called NTB to ask about getting wider tires on my stock 20" alloys and the guy told me to first go to the dealer to get them to reset the computer, because the wider tire will "screw up" the transmission. He said that he knew a mechanic for Lexus that had a Tundra and that guy said he would never put on wider/bigger tires due to the effect on the transmission. Anyone know anything about this? Also, assuming there really isnt much to worry about, I want a beefier tire. I don't care too much about the diameter, more so the width. Any suggestions?

06-25-2008, 09:19 PM	#2 (permalink)
Mark-5.7 Senior Member Join Date: Jan 2008 Location: Arvada, CO Posts: 161	I put 305-50-20 Yokos on mine with no prob. Same diameter will have no effect on a tranny. __________________ '07 RCSB 4x4, 5.7. Much Faster than my modded Hemi was. Insulated intake & box. Drop in K&N. Removed top filter. Bypassed TB coolant hose to keep intake cold. Valve cover hoses to breather, not intake. 305-50-20 Yoko's on 20 x 9 chrome MB 5 spokes, Debadged, More to come... WANT TUNER!

06-26-2008, 09:22 AM	#4 (permalink)
ramoine Senior Member Join Date: Jan 2008 Location: Huntington,Indiana Posts: 4,623	I have 285/55/20 on stock rims . They did not rubb at all , until after I got my lift . I then had to trimm the skid Plate . My tires came stock as well as wheels . The problem with my rims are the offset if I went with anything taller on this rim in the 55 it would rubb the upper control arm. a 60 series would fit . __________________ 2008 Crewmax X-SP carbon Fiber Dash kit 20" JTI Rims BFG AT KO 285/55/20 AFE C.A.I w/ Dry Pro filter and the AFE Mod Blacked out Headlight Mod. Flo~Pro muffler #744 Toytec 3" front , 1" rear blocks and Diff. lowering kit

06-29-2008, 01:49 AM	#5 (permalink)
drillrx Junior Member Join Date: Apr 2008 Posts: 7	Tire size I'm running a Goodyear Wrangler ATS 275/65 20 and there is still a hands width between the tire and control arm with stock rims and the toytec 3" I too had to trim the front skid plate though Last edited by drillrx : 06-29-2008 at 01:52 AM.

06-29-2008, 08:30 AM	#6 (permalink)
roosho Junior Member Join Date: Jun 2008 Posts: 7	I think I'm going to go with the 305's. I think I'm going to go with the 305's, but the question now is BF Goodrich AT or Nitto Terra Grapplers? There is a significant price difference. Any opinions/suggestions?

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06-26-2008, 03:10 AM	#3 (permalink)
kit Senior Member Join Date: Mar 2008 Location: Inland Empire Posts: 275	Your not going to affect the transmission that much if any. It's nothing compared to the guys on here running 35's/37's. You having nothing to worry about. What size do you want to install? Can fit these on stock height 305-50-20 32 305-55-20 33 275-60-20 32 I'm sure theres others the 305's are the most popular.

06-29-2008, 12:33 PM	#7 (permalink)
SapperTundra Senior Member Join Date: Feb 2008 Location: Bowling Green Fl. Posts: 820	I've ran these b4 and the did great and the price makes the deal even better 305/55/20s(33.5) for $283 and 325/60/20(35.3) for $278.... __________________ 07 Silver Tundra DC 5.7L-Custom Exhaust-Limo Tint Headlight Mod(Black)-24" Boss 330s Laremy

06-30-2008, 12:32 AM	#8 (permalink)
drillrx Junior Member Join Date: Apr 2008 Posts: 7	The Goodyear Wrangler AT/s I mentioned before are 135 a tire from big brand tires. I got them to price match from tirerack.com.

06-30-2008, 03:46 PM	#9 (permalink)
kit Senior Member Join Date: Mar 2008 Location: Inland Empire Posts: 275	BFG is the hands down winner for some. Nitto is a bargain for some. Either way both tires are decent. But the Nitto is a harder/rougher tire. BFG is the quieter tire and softer tire. If you can't afford the BFG get the Nitto. If you can get the BFG. Either way, the difference is for a lot of things: BFG Looks Off Roading Quiet for an A/T tire pretty soft tire heavier so loss in MPG Nitto Looks not that great Off Roading Good Quiet for an A/T tire Stiff/Rougher tire lighter so slight if any loss in MPG

07-15-2008, 03:31 PM	#10 (permalink)
N900WM Member Join Date: Jan 2008 Location: Upstate, NY Posts: 43	Does anyone have pics with the 305's on stock 20's? __________________ 08 CM Limited 4x4, 20" wheels, DVD, NAV, moon roof, Silver w/ Red Rock, TRD sway bar, TRD CAI (removed), TRD dual exhaust (removed, too much drone)... 08 CM Limited 4x4, 18" wheels, NAV, Pyrite Mica w/Red Rock, TRD sway bar

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