DP Tuner Question
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Joined: Dec 2007
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DP Tuner Question
I know you guy's recommend staying under 2000 RPM's for best fuel economy. I have a stock truck except for 6637 mod. I can stay under 2000 RPM on acceleration if I go slow but will about get run over in most locations getting up to highway speeds that way. I'm not one that needs to be put back in the seat at every start but I don't like to be the slug at the front of the line. My question is after the Guages, DP Tuner and 4"Exhaust, will I have alot better acceleration at these lower RPM's or will it still be hard to stay in that range? Does the chip give you faster jump to higher RPM's of more HP at lower RPM's or both?
Thanks,
Paul
Thanks,
Paul
Postmaster
Joined: Jun 2006
Posts: 3,135
Likes: 0
From: Brinklow Md
Originally Posted by Paul Moody
I know you guy's recommend staying under 2000 RPM's for best fuel economy. I have a stock truck except for 6637 mod. I can stay under 2000 RPM on acceleration if I go slow but will about get run over in most locations getting up to highway speeds that way. I'm not one that needs to be put back in the seat at every start but I don't like to be the slug at the front of the line. My question is after the Guages, DP Tuner and 4"Exhaust, will I have alot better acceleration at these lower RPM's or will it still be hard to stay in that range? Does the chip give you faster jump to higher RPM's of more HP at lower RPM's or both?
Thanks,
Paul
Thanks,
Paul
.
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
No need to stay at 2000 rpm when getting to speed. Put the hammer down and get to speed. You will have better throttle response with the tuner and will be much faster to get to speed.
No way I can stay at 2000 rpm all the time. Way to much fun to play than worry about mpg.
No way I can stay at 2000 rpm all the time. Way to much fun to play than worry about mpg.
Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
With a chip it's easier to stay under 2K RPM's when accelerating, unless your torque converter is weak.... but that's a different story.
Taking off from a light or stop sign is only a small part of driving. The 2K RPM "limit" is for cruising down the road. Go over 2K RPM's, and the fuel mileage drops quickly. Depending on your speed limits in your state, you may or may not have an easy time of keeping the RPM's low. Interstate highways here in Colorado can go up to 75 MPH. Go slower than that and I'll get run over, so keeping my truck under 2K RPM's in those situations isn't always the safest bet. I'd rather keep up with the flow of traffic.
Also with gauges, you can monitor boost and EGT's. Rule of thumb when driving for MPG's: accelerating, crusing, etc is to try and keep RPM's below 2K, EGT's around 600 degrees or less, and boost at 5 lbs or less. You're going to surpass that all the time when taking off from a stop light, but once you are up to speed try monitoring those three things to help with fuel economy.
Taking off from a light or stop sign is only a small part of driving. The 2K RPM "limit" is for cruising down the road. Go over 2K RPM's, and the fuel mileage drops quickly. Depending on your speed limits in your state, you may or may not have an easy time of keeping the RPM's low. Interstate highways here in Colorado can go up to 75 MPH. Go slower than that and I'll get run over, so keeping my truck under 2K RPM's in those situations isn't always the safest bet. I'd rather keep up with the flow of traffic.
Also with gauges, you can monitor boost and EGT's. Rule of thumb when driving for MPG's: accelerating, crusing, etc is to try and keep RPM's below 2K, EGT's around 600 degrees or less, and boost at 5 lbs or less. You're going to surpass that all the time when taking off from a stop light, but once you are up to speed try monitoring those three things to help with fuel economy.
