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-   -   40's and 17s (http://www.competitiondiesel.com/forums/showthread.php?t=201874)

Mudn_1 01-08-2019 10:28 AM

40's and 17s
 
Going to be installing a set of 40" tires on a 17. Is there a safe calculation for tow capacity? I won't be towing often with this truck, but If I do, I just want to know that its safe. Trailer and Load would probably be 10-12k with a max distance of roughly 500 miles. The Tires are 6 ply but rated at 3195 Lbs.

also, the load will be centered over trailer axles, so tongue weight shouldn't be very much.

Timbeaux 01-08-2019 10:33 AM

Quote:

Originally Posted by Mudn_1 (Post 2690553)
Going to be installing a set of 40" tires on a 17. Is there a safe calculation for tow capacity? I won't be towing often with this truck, but If I do, I just want to know that its safe. Trailer and Load would probably be 10-12k with a max distance of roughly 500 miles. The Tires are 6 ply but rated at 3195 Lbs.

also, the load will be centered over trailer axles, so tongue weight shouldn't be very much.




What size wheels?

Mudn_1 01-08-2019 10:36 AM

Quote:

Originally Posted by Timbeaux38 (Post 2690557)
What size wheels?

17x8.5 Forged wheel

Chassisman 01-08-2019 11:08 AM

It used to be tires were rated by ply count... now it's the load rating as you stated. I have 42's on mine with kevlar belts rated @3200 lbs. more than enough to tow with as long as you don't over load the rear axle with a 5th wheel.

RacinDuallie 01-08-2019 11:18 AM

Quote:

Originally Posted by Chassisman (Post 2690564)
It used to be tires were rated by ply count... now it's the load rating as you stated. I have 42's on mine with kevlar belts rated @3200 lbs. more than enough to tow with as long as you don't over load the rear axle with a 5th wheel.

42's?? Your gonna have to post pics of this truck you have and some of the exhaust pictures......:pop:

Mudn_1 01-08-2019 11:25 AM

Quote:

Originally Posted by Chassisman (Post 2690564)
It used to be tires were rated by ply count... now it's the load rating as you stated. I have 42's on mine with kevlar belts rated @3200 lbs. more than enough to tow with as long as you don't over load the rear axle with a 5th wheel.

Yeah, the trailer is a Gooseneck. but its a 14k lowdeck, so it is relatively lightweight.

Chassisman 01-08-2019 11:32 AM

Quote:

Originally Posted by RacinDuallie (Post 2690566)
42's?? Your gonna have to post pics of this truck you have and some of the exhaust pictures......:pop:

Is there a place to do that? I don't wanna jack up someones thread.

Timbeaux 01-08-2019 12:55 PM

Quote:

Originally Posted by Mudn_1 (Post 2690559)
17x8.5 Forged wheel




On the new truck?

Mudn_1 01-08-2019 01:01 PM

Quote:

Originally Posted by Timbeaux38 (Post 2690580)
On the new truck?

:rockwoot:

Timbeaux 01-08-2019 01:06 PM

Quote:

Originally Posted by Mudn_1 (Post 2690581)
:rockwoot:


That is gonna be sick. I will say I'm surprised you aint gonna put them thangz on it.



What wheels you going with? Please Say Innov8s.

Mudn_1 01-08-2019 01:12 PM

Quote:

Originally Posted by Timbeaux38 (Post 2690583)
That is gonna be sick. I will say I'm surprised you aint gonna put them thangz on it.



What wheels you going with? Please Say Innov8s.

G500s

Timbeaux 01-08-2019 02:27 PM

Quote:

Originally Posted by Mudn_1 (Post 2690584)
G500s




Not familiar with those- gotta pic?

Mudn_1 01-08-2019 02:32 PM

Similar to this. https://uploads.tapatalk-cdn.com/201...287c7a23fc.jpg

Sent from my SM-G965U using Tapatalk

RacinDuallie 01-08-2019 03:49 PM

Quote:

Originally Posted by Chassisman (Post 2690569)
Is there a place to do that? I don't wanna jack up someones thread.

lol look for call out thread.

Timbeaux 01-08-2019 04:11 PM

Quote:

Originally Posted by Mudn_1 (Post 2690594)
Similar to this. https://uploads.tapatalk-cdn.com/201...287c7a23fc.jpg

Sent from my SM-G965U using Tapatalk


Dope.

Howling 01-08-2019 05:12 PM

This is on 4dees https://uploads.tapatalk-cdn.com/201...dc171327a5.jpg

Sent from my SM-G955U using Tapatalk

Chassisman 01-08-2019 06:53 PM

Quote:

Originally Posted by Mudn_1 (Post 2690567)
Yeah, the trailer is a Gooseneck. but its a 14k lowdeck, so it is relatively lightweight.

If you really want to know...Take it to a scale with the trailer hooked up and weigh the rear axle. Then drop the trailer a re weigh. The difference is what you have to play with.

SPEEDSHIFT 01-17-2019 05:25 PM

40's and 17s
 
I pull my 48' Eliminator with living quarters and 6500lb race truck all over with my 04 2500 QCSB on 37s and 17s. Not ideal... but its really not too bad either. You just learn to take the corners a little slower. LOL

https://uploads.tapatalk-cdn.com/201...62dfd8fa69.jpg

Tobin 01-18-2019 12:58 AM

Quote:

Originally Posted by SPEEDSHIFT (Post 2691370)
I pull my 48' Eliminator with living quarters and 6500lb race truck all over with my 04 2500 QCSB on 37s and 17s. Not ideal... but its really not too bad either. You just learn to take the corners a little slower. LOL

https://uploads.tapatalk-cdn.com/201...62dfd8fa69.jpg

What gearing do you have in the axles?

SPEEDSHIFT 01-18-2019 07:27 AM

Quote:

Originally Posted by Tobin (Post 2691395)
What gearing do you have in the axles?

3.73s.

4.10s would be a nice upgrade, I am also converting my truck to a dually. We are planning to go to some of the ODSS races this year since we dont have the NHRDA anymore.


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