I think I already know the answer to this one but...

My wastegate is the Turbosmart Bolt on version, 38mm..

The fire ring itself buts up against the manifold and then iv bolted it down, anyway it was leaking past the flange/gasket, so I removed it all and had all the surfaces for the manifold skimmed so they are perfect.... anyway, bolted it all back up, started the car and it’s still leaking slightly past the ring.... when iv looked into it abit more I have found a flange that’s meant for these wastegates that have a recess for the ring.. why turbosmart don’t put the flange in the box I do not know....

Anyone have one of these and got away without replacing the flange etc?...




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