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desolate · 02-26-2009

I did the same thing and crushed the 1g bov. It held boost like no tomorrow, however during low boost shifts it would flutter crazily. I ended up building very exessive shaft play quickly, blowing 3 turbos, and almost blew up my scm61 (it has some in/out play now and my assumptions are from the back lash flow from the fluttering).

Since then I've changed to a twin bov setup, back to the stock 1g bov (unmodded) and a greddy. The turbo I have in now which is an ebay 16g knock off has lasted 4 months and 4,000 miles going strong. The shaft play is exactly the same as when I put the turbo on.

imo any bov flutter = your turbo is going bye bye soon.

02-26-2009	#18
desolate 91 TSi AWD Join Date: Oct 2003 Location: St. Paul, MN Drives: red 91 TSi AWD auto Posts: 348	Re: Compressor Surge I did the same thing and crushed the 1g bov. It held boost like no tomorrow, however during low boost shifts it would flutter crazily. I ended up building very exessive shaft play quickly, blowing 3 turbos, and almost blew up my scm61 (it has some in/out play now and my assumptions are from the back lash flow from the fluttering). Since then I've changed to a twin bov setup, back to the stock 1g bov (unmodded) and a greddy. The turbo I have in now which is an ebay 16g knock off has lasted 4 months and 4,000 miles going strong. The shaft play is exactly the same as when I put the turbo on. imo any bov flutter = your turbo is going bye bye soon. Last edited by desolate; 02-26-2009 at 11:09 AM..