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So I've been searching the Internet for ways to increase my MPG and horsepower. Well, not when every option is considered, as @crashnburn80 says. 10# weight = ~1hp in 'value'. Lose 100# and get 10hp of performance value. With the bonus of improved (miniscule) MPG via pushing less wt around. Clearwater Bill, Jan 21, 2018.3) Intake Manifold Upgrades. An intake manifold is another one of the most popular 5.7 HEMI power upgrades. Porting the manifold is one choice otherwise you can upgrade to a new aftermarket manifold. For the Ram 1500 some opt to upgrade to the 6.4 HEMI manifold with an upgrade kit like this.Big, big increase in horsepower and very noticeable increase in MPG's. After reading more mods in these forums I decided to change the exhaust up a little. I purchased a new "Y" to eliminate the constriction created by the factory bends in the exhaust pipes. At the same time I purchased a Magnaflow muffler to replace the stock one.The Dodge Hemi is a 5.7L V-8 engine used in Ram trucks. Introduced in 2003, the Hemi engine produces 390 bhp and delivers 14 mpg in the city and 20 mpg on highways. The less popular 4.7L V-8 version produces 310 bhp and offers similar mpg to the 5.7 version. While the gas mileage is not the highest for its vehicle ...5 Real DIY Aerodynamic Mods Detroit Can Add for MPGs in '09. You don't need a wind tunnelor even a welding kit, reallyto know which way the wheels go. PM's guest hypermiler tracks down five ...Those are a couple of good mods to do to improve the enjoyment factor of driving your truck, but gas mileage will not be significantly improved. You may see a 1mpg increase, but realistically you won't see an improvement greater than that. The best route seems to be doing the cold air intake, exhaust, etc. and then getting a Blackbear custom tune.Nov 8, 2013 · A clean, waxed car, with tires at 40 psi, and driving at 50-55 mph with no jack-rabbit starts and stops will yield 40+ mpg. So, let's say you could increase the MPG to 50 MPG using some radical modifications to the car. How much are you willing to spend to save $1-$1.75 in gas on your 140 mile trip compared to the 40+ mpg you could otherwise get by using the techniques above?Accelerating gradually and braking gently are great ways to maximize your MPG in Orange County, CA. When your vehicle is up to speed, allow the vehicle to glide. Maintaining a speed of 42 MPH or below allows your hybrid to run solely off the electric motor, reducing the amount of fuel consumed by the gasoline engine.7. Bad spark plugs or ignition coils. Bad spark plugs or ignition coils can also cause poor fuel efficiency and reduced gas mileage in Fit. Spark plugs are responsible for igniting the fuel-air mixture in the engine, and ignition coils provide the high voltage spark that is needed to ignite the mixture.Naf. 2096 posts · Joined 2007. #9 · Dec 26, 2011. You want the best mods that yeild most mpg. Intake, headers, tb spacer from Jet performance, proper dyno tune, bocsh 4508 sparkplugs with moroso ultra 40 wires, and a voltage regulator (D1 spec works for me). If you want more after that then get a catback and cam.Hey everyone, I've been looking into mods that will help improve my MPG and as far as I'm aware there's 3 main categories that may help: 1. Air intake (Mopar cold air intake - I know it's not fully tested yet) 2. Exhaust (Borla Cat-back - looking for performance with a lowish sound output) 3. Engine tuners (Pulsar - only one I've seen that is easy fit) 4. . Anything else I've missSo to the point of improving gas mileage and performance with intakes and tuning...yes and no. Intakes improve air flow through the mass air sensor. In theory the extra flow can result in the MAS sending more fuel to the motor...giving a performance boost...most re-sellers offering these are very careful to downplay the actual performance ...The great news for automotive customization and modification enthusiasts is that there are many performance auto parts you can install in your vehicle to improve its fuel economy. For gearheads and stats nerds, automotive modification to achieve greater fuel economy offers a fun and stimulating challenge.Ventectomy: this does not improve fuel economy, it extends your range. There is a small release valve to the left inside of the filler neck. Fill the car till it clicks off. Keep filling till you see foamy fuel in the filler neck. Use the pump nozzle to hit that valve and listen for the air to vent and the fuel to drop.Best Performance Mods for 2010-2018 Cummins-equipped Ram 2500 & 3500 . So you bought a 4th generation Cummins. You probably already know that the 6.7L Cummins engine that is the powerhouse behind the 2010-2018 Ram Heavy Duty trucks is an absolute beast!

May 13, 2021 · We drive a huge square vehicle. It is what it is. 20 mpg vs 30 mpg. Figure out your savings over a year. It isn’t as much as you think. Drive and enjoy! If you wanted good mpg, don’t get an SUV. Period. $3 gas, 15,000 miles/year, it’s $750 more for a full year. That’s 2 bucks a day. Skip a Coke and you’re good.1) Using the remote start every morning and afternoon due to cold weather, that uses a lot of fuel. 2) Filling-up at Petro Canada, they use additives in the fuel formulated for winter, the consumption goes very high in the winter, but the engine always starts easy and smooth.The EPA tested 14 different fuel additives and none of them were proven to have any positive effect on a vehicle's gas mileage. You'd be better off saving the few dollars you'd spend on the additives and actually buying a gallon of gas with them. But additives are just one category of products that claim to increase your gas mileage.Also, slower acceleration, if you have a manual shift sooner 2200-2500 RPMs instead of 3000-3500 RPMs got me a 5 mpg difference. If you don't have a manual you can get a tuner and change where the automatic shifts it all comes down to how much you are willing to spend. 2010 GMC 1500 Sierra Denali 6.2LAWD. 2004 Chevy 2500HD Silverado LT 6.0L.For a good idle and low end, you'll often see the 4.8L truck cams in the 205-210 at .050 inch range if it's still a daily driver. If the engine is being swapped into a lightweight car with deep gears, converter, etc., the LR4 responds well to bigger cams. Intake Duration (@ 0.050 in.) Horsepower at the wheels after bolt-ons.

I don't know anything about modifications, but the best and easiest thing to do to get better mileage is usually to follow the car's maintenance schedule (fluids, filters, and every other thing that needs periodical attention), don't run things into the ground, keep the tires properly inflated, and adjust your driving habits.A handy way to force yourself to do this is to keep your RPM's low, preferably below 2500. I like to keep mine below 2000. Of course those of us with manuals can shift real quick, so be gentle with the gas pedal too. #3: Stop following people too closely.better MPG after taking off their air dam on the TDR website - but those tests did not seem to be carefully done. Weight reduction is supposed to improve MPG - the rule of thumb is " a 10% reduction in weight yields a 6% improvement in MPG." So 500 lbs off a 5000 lb Ram might increase 14 MPG to 14.8 mpg.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Frequent stops and starts hurt mileage. Pulse and Glide Accelerate t. Possible cause: Aug 10, 2022 · However, the 6.4 HEMI in Ram trucks is re-tuned for be.