Author |
Message |
Topic: Ignition coil upgrades? |
MikeDanger
Replies: 5
Views: 3625
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Forum: 931 Tech. Posted: Wed Nov 29, 2023 6:14 am Subject: Ignition coil upgrades? |
any new findings here? what Ohm is preferable for S2 DITC? |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
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Forum: 931 Tech. Posted: Tue Nov 21, 2023 1:58 pm Subject: What went wrong?? |
The '81 manual doesn't show an inline resistor and my 81 S2 doesn't have one either. The 0 221 122 023 coil, which is the correct coil for this car has an internal resistance of 0.7 Ohm.
The M31/03 e ... |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
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Forum: 931 Tech. Posted: Tue Nov 21, 2023 5:28 am Subject: What went wrong?? |
anyone? can't find much info on it |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
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Forum: 931 Tech. Posted: Mon Nov 13, 2023 8:00 am Subject: What went wrong?? |
can anyone clarify is the S2 need a resistor on the coil?
and what ohm range? |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
|
Forum: 931 Tech. Posted: Sun Nov 12, 2023 6:02 am Subject: What went wrong?? |
A missed cylinder causes a crazy lean reading, actually - due to all the O2 NOT burned.
We're used to thinking we're reading mixture from the WBO2 sensor, but of course we're reading the EFFECT of ... |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
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Forum: 931 Tech. Posted: Sat Nov 11, 2023 7:34 pm Subject: What went wrong?? |
Im wondering if it was a missfire, as in ignition/electrical or a fuel/air issue.
as when this was happening and the car was bucking, I could see the A/F bouncing way lean. But wouldn't an electr ... |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
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Forum: 931 Tech. Posted: Sat Nov 11, 2023 7:13 pm Subject: What went wrong?? |
Ignition modules are notorious to being temperature sensitive.
yeah, I had that happen on a past vehicle, but that one was on the engine. these are on the fender, where air should be readily cooling ... |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
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Forum: 931 Tech. Posted: Fri Nov 10, 2023 9:02 am Subject: What went wrong?? |
The ignition amplifier on the front wing is always a suspect when it comes to misfire, cheap to change aswell.
hmmm, ok, I have a spare, Ill carry that with me.
Would that be something that would wo ... |
Topic: What went wrong?? |
MikeDanger
Replies: 13
Views: 1855
|
Forum: 931 Tech. Posted: Thu Nov 09, 2023 6:40 pm Subject: What went wrong?? |
Well I had the car running "ok" (never perfect; as usual) and managed to get a few long, 100+/- mi. drives in, up to the mtns.
this last time, I almost got stuck 100 miles out. that was k ... |
Topic: What happens if the Decel valve is going bad? |
MikeDanger
Replies: 0
Views: 5469
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Forum: 931 Tech. Posted: Thu Dec 01, 2022 5:57 pm Subject: What happens if the Decel valve is going bad? |
in and on going effort to figure out where my consistent problem lies, one thing I havent checked (since I've checked/replaced almost everything else) is the decel valve. I notice after I set the car ... |
Topic: what would happen... |
MikeDanger
Replies: 0
Views: 5482
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Forum: 931 Tech. Posted: Wed Nov 30, 2022 12:27 pm Subject: what would happen... |
If I installed one of those O2 sensor "check engine light" adapters?
like this one
https://www.ebay.com/itm/254664629579
wondering what effect it would have on the CIS system? especi ... |
Topic: 931 stock boost levels /safe boost levels on stock internals |
MikeDanger
Replies: 162
Views: 68938
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Forum: 931 Tech. Posted: Fri Nov 25, 2022 7:31 am Subject: 931 stock boost levels /safe boost levels on stock internals |
here: https://www.924board.org/viewtopic.php?t=44906&start=0&postdays=0&postorder=asc&highlight=
here is the IC I used https://www.ebay.com/itm/133635760063?hash=item1f1d4fdfbf:g:H ... |
Topic: 931 stock boost levels /safe boost levels on stock internals |
MikeDanger
Replies: 162
Views: 68938
|
Forum: 931 Tech. Posted: Fri Nov 25, 2022 7:16 am Subject: 931 stock boost levels /safe boost levels on stock internals |
Still have too much fuel at WOT at full boost (13psi)
Turn up the boost and use the available fuel
ive thought about that, but A I don't want to push my luck (at least until my 951 is ready for ... |
Topic: WTF....runs ok, then doesn't |
MikeDanger
Replies: 2
Views: 5724
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Forum: 931 Tech. Posted: Wed Nov 23, 2022 3:27 pm Subject: WTF....runs ok, then doesn't |
well what im wondering is why disconnecting the throttle switch seemed to clear it up?? (haven't driven it again yet) |
Topic: 931 stock boost levels /safe boost levels on stock internals |
MikeDanger
Replies: 162
Views: 68938
|
Forum: 931 Tech. Posted: Tue Nov 22, 2022 7:49 am Subject: 931 stock boost levels /safe boost levels on stock internals |
couple things. The Allen on the bottom of the WUR, DOES NOT stop the boost enrichment. its spring loaded, if you screw that in you will screw up the A/F across the board.
I also disconnected the va ... |
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