So I have a 2018 Silverado 5.3 Z71 LT and I've tried looking up threads for this topic before but for some reason I haven't had any luck. Ive had this truck for a year now and I had a level lift installed and my MPG stayed around 18-22 MPG and I could get 325-400 miles out of a full tank of fuel. I recently installed a 3.5 Rough Country suspension lift and I installed 20" wheels with 33" tires. I knew going into this modification that I would see a slight decrease in MPG but immediately after the install I dropped my MPG to 7.5-9 MPG and I cannot get it to increase AT ALL. I used to work at a GM dealership and spoke to a couple of old co-workers about this issue and for some reason we cannot pinpoint the issue. I know that increasing the ride height and the different wheel/tire package would create a difference but I didn't know that it would be this bad. I'm considering a performance chip and a CAI to try and increase my MPG, and its not a bad batch of gasoline and I've changed my driving habits and kept my foot off the throttle a little bit...if anyone has any info on this it would be greatly appreciated, thanks a lot!!
By Ace Handler
Hello everybody from sunny Saskat-chewan. I have a 2000 GMC C6500 topkick (former U-hauler) and I would like to lock my fuel tank (60 gal - gasoline | 7.4l V8) away from prying hoses. I'm going to drill and tap the cap, and put in an allen-key set screw but I'd prefer a regular keyed arrangement. Any comments on this topic, preferably with a locking cap solution? The only locking caps I see around have a male thread - my truck requires a cap with female threads. Thanks in advance, Keep On Truckin'!
2015 Silverado, 5.3 Gas with just under 34,400 miles. I've just started noticing that ??burnt oil?? smell after starting the truck up. Usually after sitting all day at work, or overnight in the garage. Only way I can describe the smell is by the 2003 Silverado I drove at work for years that ended up having a new engine put in it. I don't see any puff of bluish/white cloud on startup. Only noticed it like in the last week. Usually I'm either remote starting it when it's cold out or getting in and starting it up. So I never smell it. It's only 16 miles round trip to and from work with many more stop and go's than miles. It only had just under 11k when I bought it in Aug 2017. So what, 23k in 18-19 months. It runs smooth, idles smooth.
Should I worry about it? The way things have been going lately, it would be just my luck to have a screwed up engine.
Afternoon ladies and gents. I have spent hours upon hours trying to do my homework here on the GM 6.0 gasser engines. I have been around diesels the past 6 years, love my current tow rig. (2013 Ram 2500 Tradesman w/ 6/7 cummins) Truck is stock no deletes. What brought me here is we have our first baby on the way, the thought of saving some money by trading down to a gasser seems like a good idea. But i am not sure with how often i tow that i will be happy.
I live in Illinois and tow a 28 ft enclosed racecar hauler throughout the state (mostly flat). I tow every weekend from April to October generally, the trailer weighs close to 8K loaded. Obviously the cummins tows this with zero issues, and i'm assuming the GM 6.0 would tow this fine as well. I found a 2009 Chevy 2500 that's loaded with 110,000 miles on it. It appears to be in great shape, from what i found out it has the LY6 engine. If i were to make the switch i'd free up over 100 bucks a month, but is that really enough to justify the switch? I'm not in a bind for money at the moment, but obviously saving some money never hurts.
I guess i'm basically looking at some opinion's from guys that have maybe made the switch from a diesel to a gasser, and see what there thoughts were? Or do i tow enough that i should just stick it out with the diesel? Looking forward to your thoughts!
*Also, i would estimate that based on my location and where i'm traveling i drive roughly 3500-4000 miles a year with the trailer hooked up.
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