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HP Increase for Standard JB4 Tuner Alone

The biggest restriction for us WestCoast CDN’s is octane. You can do all the mods but you need to be able to give them the fuel they need to perform. JB4 (lower maps), plugs and intake on Shell 91 will give you a noticeable increase. I’m going to add WMI to solve the octane issue. What part of Van you around?

Yup our gas is BS compared to our bros down south. 94 from chevron and E30 is what I'm running and I've noticed a difference. Is 91 shell better? From Coquitlam area. Just purchased a sprintbooster. I know it doesn't gain HP but it should help with the crappy pedal response.
 
Yup our gas is BS compared to our bros down south. 94 from chevron and E30 is what I'm running and I've noticed a difference. Is 91 shell better? From Coquitlam area. Just purchased a sprintbooster. I know it doesn't gain HP but it should help with the crappy pedal response.
The Shell 91 is better than Chevron. Where do you get your E85?
 
The Shell 91 is better than Chevron. Where do you get your E85?

Il have to try shell on my next fill-up. Flying J cardlock on braid st every tuner in town goes there. Closest one in the city.

Has anyone noticed the subwoofers below the seats not working? Or very poor quality? There's absolutely no thump in the at all. Brought it to the dealership and the mechanic couldn't figure it out.
 
Il have to try shell on my next fill-up. Flying J cardlock on braid st every tuner in town goes there. Closest one in the city.

Has anyone noticed the subwoofers below the seats not working? Or very poor quality? There's absolutely no thump in the at all. Brought it to the dealership and the mechanic couldn't figure it out.
Ya that’s where I get it as well. Only game in town. Check out the audio threads for your woofer questions. Cheers
 
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