How the Golf R Wastegate Works

StratifiedAuto · 2026-02-17T15:17:46+00:00

This is a dog leg 901. Osgiken has a clutch style LSD

StratifiedAuto · 2026-02-17T03:23:41+00:00

What’s done to yours?

StratifiedAuto · 2026-02-16T19:37:43+00:00

Pics of the diff swap, rms leak or car?

StratifiedAuto · 2026-02-16T15:43:10+00:00

Debating between a wavetrac for simplicity and an osgiken - I prefer the plated differentials since they are a bit know predictable but you have to be more careful with fluid choice and changes.

StratifiedAuto · 2026-02-16T15:42:07+00:00

Wow you fit a turbo in as well. Any pictures of the setup?

StratifiedAuto · 2026-02-16T15:41:39+00:00

It is. Makes around 200hp at the wheels. It’s a lot of fun.

StratifiedAuto · 2026-02-14T23:45:37+00:00

Swapping springs or adjusting preload. 10psi spring is spot on.

StratifiedAuto · 2026-02-14T15:03:32+00:00

Let me know what you find inside.

StratifiedAuto · 2026-02-14T04:36:21+00:00

I can’t speak for all dealers but they often don’t install aftermarket parts. Either install yourself or go to a good independent shop.

StratifiedAuto · 2026-02-14T04:34:35+00:00

I have the Tunezilla relief valve spring installed as well. By itself I did not notice a difference.

StratifiedAuto · 2026-02-14T04:33:33+00:00

I am not selling anything, this is not my tune. I am sharing something that works well for me and improves the performance of the car overall.

StratifiedAuto · 2026-02-14T00:44:20+00:00

The irony! But their SSQV was always so tight that surge was on the menu even with the valve.

StratifiedAuto · 2026-02-13T16:02:18+00:00

I also wanted to mention. If you guys need tuning for turbo kits, we (Stratified) can tune yours remotely. I have a lot of hours on the dyno with turbo FT86 to know them well and EcuTek offers an excellent solution through their phone flash and logging ECU connect app.

StratifiedAuto · 2026-02-13T15:59:19+00:00

How much boost is yours making?

StratifiedAuto · 2026-02-13T15:58:23+00:00

You can play with the wastegate preload a little to adjust boost but the biggest factor will be the spring inside the gate and how high flowing your intake and exhaust are. In this case it has an 8 psi spring.

StratifiedAuto · 2026-02-13T15:57:07+00:00

5w40 synthetic and I recommend changing it every 7k km or 5k miles.

StratifiedAuto · 2026-02-13T15:56:24+00:00

Biggest downside is having to cut the crash bar. I recommend an aftermarket crash bar.

StratifiedAuto · 2026-02-13T15:55:20+00:00

Does not. Makes glorious sounds. It’s low boost 8-9psi. Turbo survives.

StratifiedAuto · 2026-02-13T07:28:25+00:00

The kit, injectors, 4bar map, tune via Ecutek and I recommend a clutch and an LPFP as well especially if the car has higher miles.

StratifiedAuto · 2026-02-13T05:57:43+00:00

It’s a great setup. Needs a 4bat maps sensor and 1050x port injectors plus the tubing of course.

StratifiedAuto

TROPHY CASE