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Tundra Sr VS SR5

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Old 05-14-2018, 05:33 PM
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Default Tundra Sr VS SR5

I'm considering buying a used Tundra and like the looks of the SR vs SR5. I believe the Sr has the 4.7 Liter engine vs 5.7 in the SR5.
Wondering if the SR is capable hauling an 8000 lb Hydrasport 24'. Thanks much
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Old 05-14-2018, 05:43 PM
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The 4.7l was dropped in 09 for a newer 4.6, which is available in the crewmax sr5 trucks. These tend to have a 6500-6700lb towing capacity, so if you have a true 8k lbs, the 5.7 is the way to go.
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Old 05-14-2018, 07:37 PM
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I had a 2010 2wd DC 4.6l sr tundra with towing package. It was rated to tow 8800 lbs and towed it quite well.

It was equipped wirh the center console and center shifter. Fog lights. Alloy wheels. Power windows and locks. I believe that it was configured to an SR5 minus the badging.

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Old 05-15-2018, 06:26 AM
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Originally Posted by rcskywalker View Post
I had a 2010 2wd DC 4.6l sr tundra with towing package. It was rated to tow 8800 lbs and towed it quite well.

It was equipped wirh the center console and center shifter. Fog lights. Alloy wheels. Power windows and locks. I believe that it was configured to an SR5 minus the badging.

Attachment 1074837

Attachment 1074838
what did you haul that weighed 8k pounds?
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Old 05-15-2018, 06:29 AM
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Originally Posted by Rolandt03 View Post
what did you haul that weighed 8k pounds?
4.6L Tundra Getting it Done
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Old 05-15-2018, 12:12 PM
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well thats a little scary! over loaded trailer, 8k pounds with no trailer breaks? can it do it? sure it can pull it forward that is the easy part. the bigger question is can i pull it 1) safely? (not in that pic) 2) can i stop the rig sufficiently? ( not in that pic) 3) how long will the tow vehicle last towing that much with the amount of towing you will be doing?

also putting the box blade in front of the tractor, thus allowing the trailer to be further back on the trailer would help with the overloaded tongue weight and allow the truck to ride more level and end result, pull little better! especially stopping since there is not much weight on the front wheels
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Old 05-15-2018, 03:23 PM
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I have a 24ft Hydrasports. I had a Ram 1500 5.7l. With infrequent towing and short distances, a half ton is fine. If towing alot and far, get a 3/4 ton. The question is what is alot and far. That will be different for everyone. I tow under 1 mile at 30 mph speed limit. That is not alot if I did it every day. If I towed 100 miles more than once a month, I'd have a 3/4.
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Old 05-15-2018, 04:43 PM
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I'm towing a Glacier Bay 2670 - about 9000 pounds. Just make sure the brakes on trailer are in good shape. Get the 5.7 and tow 10,300.

Towed from Naples to Tampa - about 125miles at 65/70mph; average commute to ramp is 15-25 miles.
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Old 05-15-2018, 04:47 PM
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Originally Posted by jbdba01 View Post
I'm towing a Glacier Bay 2670 - about 9000 pounds. Just make sure the brakes on trailer are in good shape. Get the 5.7 and tow 10,300.

Towed from Naples to Tampa - about 125miles at 65/70mph; average commute to ramp is 15-25 miles.
This......whilst the gas mileage doth suck the motor is becoming legendary for a reason
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Old 05-16-2018, 02:50 AM
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Yup...9mpg towing,but....17 city, 21 hwy. I can live with that. It's the SR5. GB 2670 gets 2mpg.

Had a 4runner and a 17' sailfish - went beast mode.

'Merica!!




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Old 05-16-2018, 04:56 AM
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in modern vehicles, with the current technology and increased gears in the transmissions, a bigger motor can actually get better gas mileage than the smaller motor. ( in the right scenario, not always). example, chevy 5.3 vs the 6.2 in the same vehicle. the larger motor actually yields a little better fuel economy, as well as power and capabilities.
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Old 05-16-2018, 06:42 AM
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Originally Posted by kells4 View Post
I'm considering buying a used Tundra and like the looks of the SR vs SR5. I believe the Sr has the 4.7 Liter engine vs 5.7 in the SR5.
Wondering if the SR is capable hauling an 8000 lb Hydrasport 24'. Thanks much
If that really is the 4.7L, you won't like towing that load with it much. I had the 4.7L in a 4Runner. I used that to tow my boat home when I bought it. That trip made it clear that I needed a bigger vehicle. The 4.7L was only 232HP/311 lb-ft, and really struggled with that load on any highway overpasses.

The 4.6L makes quite a bit more power (347HP/339 lb-ft or maybe 304HP/324 lb-ft), but I think you'll still want more.

The 5.7L (381HP/401 lb-ft) did a much better job. I had this in my Tundra which replaced the 4Runner. It was thirsty, and made power at higher revs, so when running on the highway 6th gear, and sometimes 5th weren't really useable. Truck would hunt gears constantly.

If that 8000 lbs is accurate, you want the 5.7 as a minimum. My boat fully loaded is a bit more, (8500-9000 lbs) and it honestly felt like too much for the truck. Around town it was fine, but I like to run it down to the keys or up to the scallop grounds every year. Those trips were no fun at all.
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Old 05-16-2018, 06:50 AM
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Originally Posted by jbdba01 View Post
Yup...9mpg towing,but....17 city, 21 hwy. I can live with that. It's the SR5. GB 2670 gets 2mpg.
Well that's interesting. I never got anywhere close to that mileage with my 2010 Tundra. I would see 7-8 towing. City was around 13-14, and highway was typically around 18.
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Old 05-16-2018, 07:35 AM
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Originally Posted by Belzelbub View Post
Well that's interesting. I never got anywhere close to that mileage with my 2010 Tundra. I would see 7-8 towing. City was around 13-14, and highway was typically around 18.
5.7? I would consider 18 highway pretty good. My 2017 Tacoma got 19 on the highway unless it was dead level and straight, then maybe I could crack 20.
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Old 05-16-2018, 07:43 AM
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Had a 2017 Tundra with 4.6 --- that thing was a pig on gas and could barely get out of its own way
I now have a 2017 Ram 1500 with a V6 that feels like it has more power

(disclaimer I never tow with either)
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Old 05-16-2018, 07:52 AM
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Originally Posted by sonofasonofasailor View Post
5.7? I would consider 18 highway pretty good. My 2017 Tacoma got 19 on the highway unless it was dead level and straight, then maybe I could crack 20.
Yeah. 5.7. 18 may have been a bit optimistic. Best I ever saw was 19, and that was reset with cruise at 65 or less. I think I was typically at around 16-18 highway. Not terrible, but considerably less than the poster with the Tundra I was replying to.
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Old 05-16-2018, 10:23 AM
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Originally Posted by Belzelbub View Post
Yeah. 5.7. 18 may have been a bit optimistic. Best I ever saw was 19, and that was reset with cruise at 65 or less. I think I was typically at around 16-18 highway. Not terrible, but considerably less than the poster with the Tundra I was replying to.
Cool. Thanks for the info. I drive pretty conservatively. I was also killing my tacoma lol
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Old 05-16-2018, 02:52 PM
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Drive a 14 Tundra SR 5 with tow package, and 5.7. I have towed a 10k trailer in teh hills of PA, with weight distribution hitch, which is a must. Tow my boat fully loaded around 7500 with no issues. Everyday gas milage is like 16 mpg.
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