measuring an external wastegate

dzx · Post by **dzx** » Sat Mar 11, 2006 4:30 am

when they say a wastegate is 45mm, what exactly are they measuring?

dzx · Post by **dzx** » Sun Mar 12, 2006 2:22 am

Does nobody know this or what?

BAC5.2 · Post by **BAC5.2** » Sun Mar 12, 2006 5:19 pm

I'd imagine it's plunger diameter.

Smaller wastegates are for high-boost. Larger wastegates are better for lower-boost. That's what Turbosmart says anyway.

dzx · Post by **dzx** » Mon Mar 13, 2006 2:42 am

Yeah, I have a turbo smart one now but the valve snapped and the guide was worn unevenly so i need to replace it.

BAC5.2 · Post by **BAC5.2** » Mon Mar 13, 2006 4:03 pm

Look at their catalog. You should be able to ID it from it's features (cap and flange style, 2 bolt or v-band).

dzx · Post by **dzx** » Mon Mar 13, 2006 8:45 pm

The plunger measures 38mm but it looks like the progate that they make which is a 45 or 48mm

BAC5.2 · Post by **BAC5.2** » Tue Mar 14, 2006 3:02 am

May be a knock off then. They never made a 38mm progate. They made a 38mm Ultragate, which is styled like the TIAL. I see lots of 38mm 2-bolt gates on e-bay that look like the progate.

The Progate is ONLY available in a V-band.

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measuring an external wastegate

measuring an external wastegate