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  Topic: 1982 931 headache
Velocevito

Replies: 9
Views: 250

PostForum: 931 Tech.   Posted: Fri May 29, 2026 11:28 am   Subject: 1982 931 headache
Didnt receive the t to connect to vacuum hose, so boost gauge got delayed,

Tried bypassing boost switch, car running disconnected car dies right away(guess it means its working)
Grounded the wire ...
  Topic: 1982 931 headache
Velocevito

Replies: 9
Views: 250

PostForum: 931 Tech.   Posted: Wed May 27, 2026 10:26 pm   Subject: 1982 931 headache
boost is there, not only the turbo is audible, even more now since i removed the o2 sensor to test, and also can feel the boost building, when driving, i really leaning towards overboost protection ki ...
  Topic: 1982 931 headache
Velocevito

Replies: 9
Views: 250

PostForum: 931 Tech.   Posted: Wed May 27, 2026 5:47 am   Subject: 1982 931 headache
can it be overboost protection ? i mean i dont even know how it feels on the 924turbo, my 1989 944 turbo would throw me off the seat when the overboost protection would kick in, felt like the car slam ...
  Topic: 1982 931 headache
Velocevito

Replies: 9
Views: 250

PostForum: 931 Tech.   Posted: Tue May 26, 2026 11:29 pm   Subject: 1982 931 headache
Also, one of my mechanic friends said that those two open ports might not be enough to make a difference if the cat is clogged..
so to test this theory the only way for me is to just disconnect the e ...
  Topic: 1982 931 headache
Velocevito

Replies: 9
Views: 250

PostForum: 931 Tech.   Posted: Tue May 26, 2026 9:29 am   Subject: 1982 931 headache
Hello all, i just acuired new to me 1982 porsche 924 turbo with 79k original miles
Car had been with previous owner since 1992, and had a top end rebuild back in 2012, also it came with 2 spare 931 c ...
 
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