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| tire pressures http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=9960 |
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| Author: | 0311_DoC [ Fri Jun 30, 2006 7:47 pm ] |
| Post subject: | tire pressures |
Does anyone know what the optimal tire pressure is for the 245 MTR's for driving on the street for the best fuel ecconomy. |
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| Author: | nickmv [ Fri Jun 30, 2006 8:56 pm ] |
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a 5 sec search revealed this: http://www.lostjeeps.com/forum/phpBB3/vie ... e+pressure |
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| Author: | lilmatty [ Fri Jun 30, 2006 9:16 pm ] |
| Post subject: | |
I run mine at 40 to 42. Great improvement in mileage over running them at 34. |
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| Author: | 0311_DoC [ Fri Jun 30, 2006 10:04 pm ] |
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nickmv wrote: a 5 sec search revealed this:
http://www.lostjeeps.com/forum/phpBB3/vie ... e+pressure Well that thread, which I have already seen really didnt answer my specific question. So Matty thanks for answering my specific question 
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| Author: | HyperKJ [ Sat Jul 01, 2006 1:29 am ] |
| Post subject: | |
i also run mine at 40 psi., and have had no problems.. and seem to get descent fuel economy. |
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| Author: | AdamIsAdam [ Sun Jul 09, 2006 9:09 pm ] |
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I went up to 40 from 33 after lunch wikth Matty. But I noticed that the noise i get from my BFG A/T KO's (between 25-35 mph) was much louder at that higer psi. MUCH louder. So I'm now running about 36psi. Noise went back down to normal (which is to say noticeable to me but not to others) and still get teh same MPH (16.3 highway, 13 combined, 12.5 city). I'm 4,780 lbs without humans and have the Renegade lights up top. |
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| Author: | LimitedLurker [ Mon Jul 10, 2006 10:35 pm ] |
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Some tire makers will tell you the proper inflation for your tires on your vehicle. Check the manufacturers web site. I think they need to know the tire you're using and the weight of the vehicle. |
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| Author: | AdamIsAdam [ Tue Jul 11, 2006 7:10 am ] |
| Post subject: | |
Yea, I tried calling BFG. They told me to use Jeep's suggestions. I explained that I was going with a different tire size, and different load rating too. They said since it's PSI, and that's PER SQUARE INCH, that the manufacturer's recommendations still hold true. I don't buy it becuase of the different tire to wheel aspect ratio and different load rating. My E rated tire can take up to 80 psi, which is much higher than stock (of what, 40?). So that tells me if I'm really loaded down, towing or something, and I want to run at 50 or even 60 psi, I can safely do that whereas I can't with the stocks. |
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| Author: | lilmatty [ Tue Jul 11, 2006 7:34 am ] |
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AdamIsAdam wrote: Yea, I tried calling BFG. They told me to use Jeep's suggestions. I explained that I was going with a different tire size, and different load rating too. They said since it's PSI, and that's PER SQUARE INCH, that the manufacturer's recommendations still hold true.
Hmm. Gee I always thought PSI was short for Pressure Pounds per Square Inch.... 
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| Author: | AdamIsAdam [ Tue Jul 11, 2006 10:38 am ] |
| Post subject: | |
The common PSI stands for "pounds per square inch" or "pounds/square inch". You are correct, sir. 
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| Author: | Cacher123 [ Tue Jul 11, 2006 10:48 am ] |
| Post subject: | |
Crank em up to the max on the sidewall of the tire, draw a heavy chalk line across the tire from sidewall to sidewall, drive it straight across a parking lot and see where the chalk wears off. Center only - too much air. Sides only - too little. Evenly across, just right! (...and who's been sleeping in my bed....) Lather, Rinse, Repeat until u get it right!
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| Author: | AdamIsAdam [ Tue Jul 11, 2006 11:07 am ] |
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I've been meaning to do that trick myself! |
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