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JB4 electronic waste gate modification

Thread author Zmanflex91
Start date Mar 28, 2023
Tags

3.3t electronic waste gate g70 jb4 launch control traction or stability tuned

Zmanflex91

New member

Mar 28, 2023

I might have overlooked a post from the past. But has anyone installed the EWG harness with the JB4 to control the boost by gear for a better launch. My G70 is RWD and from a stand still it spins like crazy. I have fitted my vehicle with 275s out back and 235s in front. Iv seen one post else where with tuning the boost in each gear to get a better launch. Instead of full boost in 1st gear I believe it was down by 5 PSI with the JB4 tune and goes up slightly with each gear. Sorry if this has been posted before. My main question is what exactly do I need to set after the install of the harnesses. Thanks and cheers

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