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I purchased a GFB DV+ and I am preparing to install. If anyone has good instructions or video that would be helpful. My real question is the directions say:
"During assembly, you can choose to install the main piston spring (indicated below by the arrow) or not. Using the spring is recommended because it results in the best possible throttle response and minimum lag on gearshift, particularly on manual cars. This can sometimes result in a slightly different sound from the intake at low RPM, which is no cause for alarm – it’s simply the different way in which the valve works. "
So, what do most of you do? Install the main spring or use OEM spring?
Thanks
Ed
"During assembly, you can choose to install the main piston spring (indicated below by the arrow) or not. Using the spring is recommended because it results in the best possible throttle response and minimum lag on gearshift, particularly on manual cars. This can sometimes result in a slightly different sound from the intake at low RPM, which is no cause for alarm – it’s simply the different way in which the valve works. "
So, what do most of you do? Install the main spring or use OEM spring?
Thanks
Ed