37 inch Tires vs Stock on EcoDiesel 2020 Jeep Wrangler JL Rubicon - Fuel Economy & Highway Driving

crazy even with 37 s and a pretty steep uphill grade the diesel motor just pulls and pulls like they're not even there alright so here's the plan for today one of the things that I've been wondering a lot is how much worse will the fuel economy be on the 2020 Ecodiesel Wrangler with 37 inch tires I'm gonna take the Jeep out for a drive today I'm gonna drive to where I would normally Drive to go and arrow down and go off-roading which is about 62 kilometres from here and then drive back so the entire round trip is about 124 kilometers it's gonna take me about an hour and a half to two hours and I'm gonna do it on the stock tires then we're gonna put the 37 s from the JK on and turn around and do the exact same thing so this I think will give me a really good idea of just what the fuel economy difference will be with larger tires now keep in mind we don't have it rigged eared we don't have a tuner to tell the computer that it does have larger tires but we know how far the distance is based on Google Maps and I just filled the Jeep up about a half a kilometer from here so we're gonna use the house from the starting point and I'll fill it up when I get back and we'll see exactly how much fuel it used will put the 37 s on and repeat the process so before I filled up the Jeep I took it out for a drive to warm it up I wanted to make sure that although the fluids and everything were heated up I believe that the diesels are more fuel efficient when they're warmed up rather than cold so I want to make sure that that wasn't a factor all the tires with the factory tires are aired up to 38 psi so they're all the same a little bit lower than when we came back from the road trip from Calgary which I think they're like 42 or 44 which was just crazy high I find they are running a bit better at 38 just a smoother ride and then I will run we'll put the 37 s on and I'm gonna run them at 28 or 29 psi which is generally what I would run those BF goodrich km twos out on my JK when we get back and we pull these tires off we're gonna weigh them and we'll do a side-by-side comparison of what the actual weight is with the factory tires versus the 37 s on the trail ready bead locks they're gonna be quite a bit heavier one of the things I like about this drive and one I think it's a good fuel test is that we're going to be going up a mountain road or mountain highway to get out of Victoria called the malahat which will give us some good steep inclines on the highway and then we'll be going through a bit of town and then some regular highway and then repeat the process normally in the JK I spend about 40 bucks in fuel going to the trail and back so it's probably around 30 liters or so given the price of fuel right now maybe 25 litres just before we start we have a range of 523 kilometres and I reset the trip meter everything like that so completely full tank just filled it up and everything's warmed up still the outside temperature today is 19 degrees Celsius just so you're aware of what the ambient temperature is for this drive I did want to note that I do have auto start/stop turned off for this trip so then any lights that were sitting at we're gonna be just idling and not having the engine stopped there's normally the part of my drive up island through the malahat where my Jake he would really be struggling with the stock tires I'm doing the speed limit keeping with the pace of traffic the diesels in sixth gear which it is an 8-speed transmission if you weren't already where its sixth gear about 1800 1900 rpms going through the next steep section this would sometimes cause my JK to gear down into second gear my JK is a 3.8 liter and I was doing 80 82 kilometers an hour through here okay and so we're just coming up on probably the steepest section of the malahat pass and you can see it just gearing down into seventh at about 80 climbers tower I can't actually show you the pitch because pitch is only available below 40 climbers an hour apparently we started out at sea level just above sea level where my house is and the top of the malahat is 356 meters of elevation or 1156 feet so we climb that and back down again just to give you just to give you an idea of how steep that climb was in a short period of time so through the flatter section 90 climbers an hour just under 1500 rpm moderately steep grade 100 kilometers an hour eight skier and just over 1600 rpm alrighty here we are at our halfway point it's being 62 kilometers of driving and the fuel gauge has not moved at all so we're gonna hop back in turn around and head right back to the house while actually we're gonna head back to the fuel station that I'm going to use for both fuel stops and we're gonna fill up and see exactly how much diesel fuel we used and then we'll do the same thing with that 37 so stay tuned we just turned around and we have still 551 kilometers of range left after the first 62 kilometer the fuel gauge is still full just a quick pull over on the scale I wanted to see just how much the Jo weighs now keep in mind we do have a winch on the front and the new tire carry are on the back so it's two thousand four hundred fifty kilograms which if I convert that to pounds is five thousand four hundred pounds that's with me in the vehicle and pretty much a full tank of fuel so that's I'm around 215 pounds so we're just shy of 5,200 pounds I think without that tire carrier without that winch we're probably close to another 150 pounds or so maybe 200 pounds laughs so I'm gonna say that the Ecodiesel the way I SPECT it with the soft top is probably under 5,000 pounds so before we stop for fuel guys just a quick reminder I do upload new videos every week and I'm going to be modifying and as soon as I can taking the Ecodiesel Jael out on some road trips and do some more off-roading so if you want to see more videos make sure to hit that subscribe button and if you enjoyed this video guys please leave a like it helps show me that you're interested in these types of videos and which videos you like and as well it lets the YouTube algorithm understand well who else to possibly recommend these videos to and don't forget over on dirty and dangerous comm we do have the KC 250 shield decals available now so if you want to check that out dirty and dangerous comm I'll put some links down in the description so we just pulled into the fuel station we have 525 kilometers of range we're down one bar so let's just see how many liters of fuel it's gonna take us to top this off and how much we used on this 124 km/h [Music] all right so there we have it eight point three five nine liters to go 124 kilometers and convert it to miles per gallon and put it right here and liters per 100 kilometers all right let's go throw the 37 s on and repeat the same process [Music] [Music] [Music] [Music] stop wheels and tires seventy three point four pounds and the try ready bead locks with 37 by 12 km to s from BF goodrich are one hundred and eleven point two pounds each alright we're back on the rod we've got the 37 by 12 and a half hbf there's kmt's mounted on with the trail ready Pete locks and we're gonna run the same route maybe only here that's a little bit more background noise obviously the larger much rains are going to make a bit more noise than the stock all terrains so just a my my initial thoughts with the larger tires they're definitely noisier I can feel it a little bit in the steering braking is still pretty good the Rubicon with the dual piston front brakes it's definitely an improvement over the stock factory JK brakes even on the Rubicon which are all single pistons as far as acceleration goes I can't really tell that they're there the diesel seems to just be going about doing its thing and not really a big difference in accelerating on to the highway the speedo is out about 10 kilometres an hour it's reading low and I haven't got a low tire pressure warning yet I don't have tire pressure sensors in these wheels but the speedo is off by about 10 K so we're not going to be able to use any of the onboard system for calculating fuel economy which is why we're doing this fixed run of 124 kilometers and refueling and seeing just how much fuel we need to add we aren't just starting the stretch of road that would start to give my JK trouble with these wheels on even be geared with 513th but you know as the fairly anemic 3.8 liter with a horrendous transmission and so we're just going through this climb up to the summit of the malahat like what it was at 300 something meters but yeah this would definitely force my jk2 gear down gear down into second gear sometimes when it's loaded up nope we've got the service tire pressure system finally so it took the few kilometers to come up it's telling me there's no readings obviously but I've got Google Maps telling me just how fast I am going so I can keep track of my speed and I'm trying to keep it within a few kilometers of a speed limit just like I did on the test run with the factory tires on this rope so I am noticing that climbing uphill I am in sixth I believe I was in sixth gear coming through this section before this is kind of the steepest slowest section we're currently doing well you can't really tell but we're doing 70 kilometres an hour at about 1500 rpm by GPS speed which is the speed limit through here it's not really an issue keeping speed this guys go a little bit slow so we're gonna move into the passing lane and keep going but really effortlessly picked up some speed there as we needed it to pass and we're doing about 80 kilometres an hour just keeping pace with traffic though there's some people behind me that I think want to go a little faster so we're going to move over here when we get a second go through this longer uphill stretch we are holding six gear at about 85 kilometers an hour just under can't trust the speedo over here it's way out but we can see on on Google Maps here just our actual speed kind of going through this long stretch that's just a long climb my JK almost always have to ship down into second gear when it's fully loaded with full fuel to come through here and really revs the motor out and there we go it's shift down into sixth gear as we kind of hit the steepest stretch and we're still sitting at about 81 82 kilometers an hour and just under 2,000 rpm as we finish off this climb I feel like the engine is working a little bit harder than it was with the factory tires that were quite a bit lighter per corner and as we crest over the top I think it's going to shift back up into seventh and as we level out here on the top I'm sure we'll grab a gear but right there it's about a about sixty miles an hour which about a hundred kilometres our so we're off by about ten kilometres an hour on our speedo and we're right around 1500 rpm and then just a little bit of tyre noise going on with the big mud ring so I have to say the accelerations off of a stoplight are quite effortless really not giving it much throttle to keep up with the general pace of other traffic accelerating off the lights I don't feel like I have to push the Jeep definitely like I don't you know definitely not like I pushed the 320 litre in the JK off the light to just try to keep up with the pace of traffic the diesel just kind of does it naturally I'm really not having to drive any different than I did with the factory tyres the stock all trains that I had on it I'm pretty much accelerating and using the throttle the same you know at this point really the biggest difference that I would say is that the tires are noisy and I have a little bit of a vibration and one of them they haven't been balanced for a long time and I think I've knocked off some of the weights it's going up that long climb right before our turnaround spot this one always gives my JK a little bit of heartburn going uphill we're currently doing about 85 kilometers an hour it's a nine d zone we're just getting up to speed you see we're in sixth gear just climbing that Hill just under 2,000 rpm I could definitely hear the turbo spooling coming up there or the turbo spooling coming up alright so there's a quick look at the Jeep before we do our turnaround we haven't really I'm not sure how much fuel we've used the bar hasn't gone down at all but you can get a quick look at what it looks like with the thirty-sevens on there pretty impressed so far we'll head back down to our fuel station fill up and just see how many litres of diesel we used on the same trip that we took this morning now remember there is no lift on here this is factory now I did hear someone saying that the Eco diesels are an inch and a half or so taller than the other motor options maybe I don't know why but I didn't actually measure compared to a stock one before we got it but looks pretty good with no lift so far alright another quick stop on the scale I just wanted to see how much it weighs with the 37 s we're 2510 at kilograms with the factory tires we were at two thousand four hundred fifty kilograms which is 5,400 pounds including me so we're up about 70 kilograms which is probably about 150 pounds and me I'm just over two hundred pounds so there you go with the winch with this steel tire carrier and the Warren Elite Series bumper on the back around 5500 ish with me and a full tank fuel I must say as we get back to Victoria I'm very impressed with the diesel motor with they're tires and a little bit of extra weight at this point as far as gearing goes I'm not really sure that I would consider rehearing at 37 s the 373 seemed to be fine I don't really have any issue not holding piers as I get closer to 100 kilometers an hour or 60 miles an hour I think I'll need a trip to somewhere with a higher speed limit highway usually it's just not anything around here but when we head south down into Washington State in Oregon we usually end up doing around 80 85 miles an hour on the i-5 and that gives my JK a lot of trouble and you know that might be where we have a little bit harder time holding those higher end gears but at this point I don't really see any need to consider Reed gearing I think three seven threes are pretty good for now but you know we'll see how it goes but for this test good alright we're going to get back to the fuel station we're going to get some diesel fuel I'll just call it diesel gas I'm sure you guys would leave me some comments about that one forget some diesel fuel see how many liters we consumed on this trip and then after that once we figured that out why don't we go do a couple zero to sixty or zero 200 test pulls from a stop and just see how it see how it accelerates from a stop with these larger tires you guys probably want to see that too right yeah just as we come down the last highway stretch before our fuel stop all the temperatures look really good coolant temperature oil temperature or trans temp everything looks within normal operating range especially after that last highway climb across the malahat Summit which is great all right we are just back at the fuel station so we've got a little less fuel than before not even that eight of tank it says we have 518 kilometers left but we can't trust that because of the larger tires so we're gonna just see how much fuel that a couple bars is and we'll see if it's less than the eight what is a 8.5 something litres we used earlier there we go we used a little bit more thirteen point zero seven two liters that's more than the eight and change we used this morning definitely but still really good fuel economy for the hundred twenty kilometers we win it so according to the GPS a hundred kilometers an hour 60 miles an hour would be 92 kilometers an hour on the speedometer which is what we're gonna need to get to for this acceleration test we're just gonna go to the on-ramp here where I know I can stop for a second and we'll start from us stop so we gotta get to 90 to fajn there's an hour a little bit of an uphill acceleration there we go with the 37 s so that's pretty good not as fast as without them but it is an uphill and I'm pale acceleration I don't have a good on-ramp that I can use or I can not be excessively speeding but hopefully that gives you guys an idea of just how long it takes to go from 0-60 with some large 37 inch what is it 111 pound tires that wraps up this video if you enjoyed it leave a like as always and don't forget new videos every week so smash that subscribe button and I'll see you guys soon in the next up blue

Channel: Casey 250

Views: 54,424

Rating: 4.9210525 out of 5

Keywords: casey 250, jeep, offroad, 4x4, jeep jk, jeep jl, jeep gladiator, 37inch tires, jeep 37 inch tires, ecodiesel, jl wrangler, jeep rubicon, ecodiesel fuel economy, dieseljeep, ecodieseljeep, jeep wrangler jl, new jeep, taking delivery, road trip, epic road trip, rocky mountains, british columbia, off road, jeep review, ecodiesel review, jeepcost, ecodieselcost, newjeepcost

Id: CayQhEOkdYA

Length: 19min 29sec (1169 seconds)

Published: Sat May 16 2020