EGR Delete and Coolant Bypass?

[achulz]

My tuner contacted me, saying my wastegate preload is too low, which is easy enough to change. He also said that to raise my core efficiency I need to do an EGR delete and coolant bypass, and not do WOT datalogs in 110F weather

Now I understand the EGR delete part but what does he mean by coolant bypass? Is that the throttle body bypass I've read about on other threads? If so is there a write up on what parts I need and how to do it?

[achulz]

Okay so the coolant bypass needs a 3/8" barb fitting (both ends) and all I do is connect the coolant hoses together from the throttle body.

Now for the EGR, I don't want to wait on a little kit to be shipped to me. Lowe's is less than a mile from my house so I can pick up what I need from there.

What size thread is the plug, and is there anything else I need besides the block off plates? I can weld a barb onto the main block off plate for the turbo coolant line. But that being said, will blocking off the tube suffice? Or would I need to do a full EGR delete?

[achulz]

Okay so I did the secondary EGR delete, unplugged the primary EGR until I get a proper block off plate. I bought a barb fitting and a tap set but I couldn't find a thick enough piece of metal. So it will have to wait.

But, for the EGR tube, all I did was cut the tube about an inch past the nut, and then pressed a bolt with a tapered head into the tube to effectively plug it. I used a shop press so there's no way it's coming out. For the block off plate I just drilled and cut a piece of aluminum bar stock that matches the OEM gasket. Coolant bypass I just disconnected the hoses (after clamping them tight with vise grips) and reconnected them to each other using a 3/8" ID hose barb coupler.

My BATs are still pretty bad, but that's what I get for using the stock TMIC. However after adjusting my wastegate preload I now hit 22 PSI compared to 18-19 PSI before on the same WGDC.

[5doorsoffury]

you would of gotten that boost by replaceing the tmic. When you replace it you will prob have boost spikes.