| Author |
Message |
Topic: Turbo oil drain line adapter bolts torque?? |
ptheskil
Replies: 4
Views: 3729
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Forum: 931 Tech. Posted: Mon Jul 28, 2014 7:35 am Subject: Turbo oil drain line adapter bolts torque?? |
| Reading the table I think you want the line about 5 down from the one you circled at 29ft lbs so you were overdoing it some at 61. |
Topic: Tach signal Turbo S2 |
ptheskil
Replies: 6
Views: 3798
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Forum: General Discussions Posted: Sat Dec 21, 2013 3:52 am Subject: Tach signal Turbo S2 |
| Correct. It does not come from the distributor. You should be able to pick up a s1 or n/a tacho for peanuts and wire it direct to the coilwhich will work with whatever ignition system you choose to u ... |
Topic: Tach signal Turbo S2 |
ptheskil
Replies: 6
Views: 3798
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Forum: General Discussions Posted: Thu Dec 19, 2013 9:26 am Subject: Tach signal Turbo S2 |
| I beg to differ but note that my experience is with ROW vehicles. The S2 has a dedicated output from the DITC unit which drives the tacho directly. The s2 tacho is unique but can be replaced with an ... |
Topic: 931 crank sensor [DEAD] |
ptheskil
Replies: 14
Views: 12550
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Forum: 931 Tech. Posted: Sat Sep 21, 2013 10:00 pm Subject: 931 crank sensor [DEAD] |
| I'd be interested to see some of that data. Any chance of a link to the relevant post? Thanks. |
Topic: Fuel line was very badly bent. |
ptheskil
Replies: 7
Views: 4548
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Forum: General Discussions Posted: Thu Sep 19, 2013 12:02 am Subject: Fuel line was very badly bent. |
| And do a fuel system pressure test. Sounds like you are running lean which can be caused by the control pressure being too high due to blocked control pressure regulator (sometimes called Warm Up Reg ... |
Topic: 931 crank sensor [DEAD] |
ptheskil
Replies: 14
Views: 12550
|
Forum: 931 Tech. Posted: Sun Sep 15, 2013 7:43 pm Subject: 931 crank sensor [DEAD] |
| I have never measured this on my 931 so bear that in mind. The CPS on the 931 is a dual VR sensor so on the primary coil the voltage will vary with crank speed. Based on experience with other engines ... |
Topic: My 931 performance mods |
ptheskil
Replies: 79
Views: 122422
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Forum: Performance Upgrades Posted: Mon Sep 09, 2013 5:58 pm Subject: My 931 performance mods |
Careful, some people on here don't like you using acceleration/speed data to estimate power/torque. I still have the bruises  |
Topic: Guess the horse power???? |
ptheskil
Replies: 39
Views: 23987
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Forum: Performance Upgrades Posted: Tue Aug 20, 2013 8:21 am Subject: Guess the horse power???? |
| Yep. 12-13 afr range for peak torque throughout the rev range. Esp. on a turbo as rich as you can get away with for peak pwr and beyond. If you have mapped ignition or a knock sensor you will find th ... |
Topic: '80 924 turbo won't idle - starts and stalls continuously |
ptheskil
Replies: 9
Views: 7184
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Forum: 931 Tech. Posted: Sun Jul 28, 2013 9:05 pm Subject: '80 924 turbo won't idle - starts and stalls continuously |
| You are running lean. Pushing down the metering plate on the 931 increases the fuel flow rate. There are many problems which can cause lean running but only two causes : too much air or too little fu ... |
Topic: Cleaning my WUR |
ptheskil
Replies: 9
Views: 5913
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Forum: General Discussions Posted: Tue Jul 09, 2013 5:32 am Subject: Cleaning my WUR |
| I have had a couple of WURs in and out of my mk2 turbo. IIRC I removed the coil from the bulkhead to get to the gubbins. You have to rely somewhat on feel to get it back in and as a precaution stuff ... |
Topic: 931 owners in the UK?? |
ptheskil
Replies: 11
Views: 10565
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Forum: 931 Discussion Posted: Sat Jun 01, 2013 12:02 am Subject: 931 owners in the UK?? |
| Hello from Essex/Hertfordshire border. 931 s2. |
Topic: Harness bar. |
ptheskil
Replies: 15
Views: 14165
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Forum: Body and Interior Posted: Sun May 19, 2013 1:18 am Subject: Harness bar. |
| That is nowhere near strong enough. Not by a long shot. Replace it before you go out on the road. |
Topic: do i want a 924 again? |
ptheskil
Replies: 6
Views: 4217
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Forum: General Discussions Posted: Tue Apr 23, 2013 7:23 am Subject: do i want a 924 again? |
Do you mind me asking a few questions:
1. how old are you now?
2. what is your daily driver?
3. how much spare time do you have?
That would be a good start. It's quite possible that the passi ... |
Topic: K-jet component pictures (maybe helpful) |
ptheskil
Replies: 8
Views: 5956
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Forum: General Discussions Posted: Sat Apr 20, 2013 3:25 am Subject: K-jet component pictures (maybe helpful) |
| Anyone else think the bimetallic strip in the WUR is assembled the wrong way up? |
Topic: A/F vs co2 reading |
ptheskil
Replies: 2
Views: 3470
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Forum: 931 Tech. Posted: Fri Apr 12, 2013 5:48 am Subject: A/F vs co2 reading |
| http://www.cambustion.com/sites/default/files/instruments/HFR500/NDIR03v02%20AFR%20measurement.pdf |
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