Johngm45
Full Access Member
- Joined
- May 19, 2017
- Posts
- 293
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I have the spd turbo adapters /roush cold air with the 5 star tune and noticed a huge difference in faster turbo spool between gears , way more responsive , less turbo lag and a good amount of power. This is on my daily street tune 91 octane and allowed abit more air for my kooks down pipe going on soon. Towing a 4500 lb boat was amazing the power difference made it feel noticeably easier. However I am having a issues with my cruise control now ever since doing the tune. If I set for 75 mph it will go to 74 and up to 78 then slow down and keeps changing all time jerky and has something to do with this big performance change I'm guessing. Gas ️ mileage definitely went down as it's holding higher RPM and wants to boost up way faster. Great value and will be doing dono pulls once kooks DP is installed.
Same here. I moved my oldest son to a new house for college and Pulled a 18' enclosed trailer full, tip to top. At 80 to 82 I got 9.4mpg.. but I never knew trailer was there !
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