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  Topic: 924 Turbo no midrange power
Pittspirate

Replies: 13
Views: 20527

PostForum: 931 Tech.   Posted: Sat Sep 19, 2020 9:02 am   Subject: 924 Turbo no midrange power
Re-ran. WUR test. Operating pressure ~74, cold control pressure ~74.

Going to solve this first. Will keep you all posted

Thanks
  Topic: 924 Turbo no midrange power
Pittspirate

Replies: 13
Views: 20527

PostForum: 931 Tech.   Posted: Fri Sep 18, 2020 5:37 am   Subject: 924 Turbo no midrange power
O Ring ‘looks’ okay, but I understand how this could be the problem. A boost gauge would tell the tale as previously mentioned, thanks

Again, any comments as to WUR pressures, possibly checking fre ...
  Topic: 924 Turbo no midrange power
Pittspirate

Replies: 13
Views: 20527

PostForum: 931 Tech.   Posted: Fri Sep 18, 2020 12:18 am   Subject: 924 Turbo no midrange power
Drove with pressure gauge on, under load and when bogging, pressure remained constant, so I don’t think it’s a clogged filter.

Waste gate disassembled, inspected, re-assembled, tested okay

Have ...
  Topic: 924 Turbo no midrange power
Pittspirate

Replies: 13
Views: 20527

PostForum: 931 Tech.   Posted: Thu Sep 17, 2020 1:01 pm   Subject: 924 Turbo no midrange power
Long time 924 owner. I’ve had my 79 over 30 years.

My son recently acquired an 81 turbo. It was a bit of a project, but it’s on the road now.

Main problem is that it bogs under hard accelerati ...
 
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