| Author |
Message |
Topic: 931 Missfire and ignition timing questions. |
Glen931
Replies: 4
Views: 3076
|
Forum: 931 Tech. Posted: Wed Sep 12, 2007 11:29 am Subject: 931 Missfire and ignition timing questions. |
| Ok it was stupid but its running good now. the new plug wire contacted the idle air controller and wore through and started arcing. when the wire was pulled off there was no visable damage and when ch ... |
Topic: 931 Missfire and ignition timing questions. |
Glen931
Replies: 4
Views: 3076
|
Forum: 931 Tech. Posted: Wed Sep 12, 2007 10:25 am Subject: 931 Missfire and ignition timing questions. |
thanks for the info. I got a little confuised about the timing because of the multiple marks on the flywheel and wanted to make sure i had that correct.
The boot between the air meter and turbo inl ... |
Topic: 931 Missfire and ignition timing questions. |
Glen931
Replies: 4
Views: 3076
|
Forum: 931 Tech. Posted: Wed Sep 12, 2007 6:14 am Subject: 931 Missfire and ignition timing questions. |
| car is an 80 931 and im 100 miles from my service manual. the car missfires when any throttle is applied. it is a smooth and constant miss not surging or bucking and causes a severe lack of accelerati ... |
Topic: 931 fuel pump issues and vacume system |
Glen931
Replies: 3
Views: 3560
|
Forum: 931 Tech. Posted: Wed Sep 05, 2007 1:12 am Subject: 931 fuel pump issues and vacume system |
| Thanks for the help. It was just a bad wire splice that someone had done. |
Topic: 931 fuel pump issues and vacume system |
Glen931
Replies: 3
Views: 3560
|
Forum: 931 Tech. Posted: Sat Sep 01, 2007 1:07 pm Subject: 931 fuel pump issues and vacume system |
| After taking apart my 931 hunting down an oil leak and changing plugs, wires, dist. cap and rotor the fuel pump only runs when priming the system and the tach does not read anything. I fugure there mu ... |
Topic: Aftermarket Exhaust questions |
Glen931
Replies: 6
Views: 4009
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Forum: 931 Tech. Posted: Sun Jul 01, 2007 4:30 pm Subject: Aftermarket Exhaust questions |
| I run a 2.5" exhaust with no cat and a magnaflow starightthough and it sounds awsome and made the car noticibly faster.. its not very laud at all and has a nice crisp sound under full throttle. I ... |
Topic: 80' 931 Fuel pump relay problems |
Glen931
Replies: 5
Views: 3883
|
Forum: 931 Tech. Posted: Tue May 29, 2007 9:29 am Subject: 80' 931 Fuel pump relay problems |
New feul pump relay fixed the fuel problem as well as the spark problem.
Thanks for the help everyone |
Topic: 80' 931 Fuel pump relay problems |
Glen931
Replies: 5
Views: 3883
|
Forum: 931 Tech. Posted: Fri May 18, 2007 4:36 am Subject: 80' 931 Fuel pump relay problems |
| The fuse didnt burn out, it just got some arc burn on the ends. when the ignition is on i can fiddle with the fuel pump relay and it sounds as if the fuel pump is engaging if i hold it in place, but w ... |
Topic: 80' 931 Fuel pump relay problems |
Glen931
Replies: 5
Views: 3883
|
Forum: 931 Tech. Posted: Thu May 17, 2007 9:47 am Subject: 80' 931 Fuel pump relay problems |
| While driving my 931 it acted like i had run out of fuel and i had just filled the tank. i couldnt hear the fuel pump when turning the key anymore so i checked the relay under the steering wheel. the ... |
Topic: Re-chipped computer |
Glen931
Replies: 24
Views: 15371
|
Forum: 931 Tech. Posted: Fri Apr 06, 2007 3:33 am Subject: Re-chipped computer |
| While you are at it you should check out this site for some of the hard to find performance modifications http://kalecoauto.com/index.php?main_page=index |
Topic: Banging my head against a wall - still steamy exhaust |
Glen931
Replies: 55
Views: 33740
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Forum: 931 Tech. Posted: Fri Mar 23, 2007 1:00 am Subject: Banging my head against a wall - still steamy exhaust |
| as smoothie said.. Crank case vent being clogged or kinked will cause a problem like this. my brothers turbo ford developed a kink in the crank case vent hose and caused the turbo bearings to leak lot ... |
Topic: strange pop sound |
Glen931
Replies: 4
Views: 4035
|
Forum: 931 Tech. Posted: Wed Mar 07, 2007 1:39 am Subject: strange pop sound |
| could be many things. does the car run rougher than before? can you still get full boost? does turbo always spool slower since the pop? car smoking or burning coolant under the hood or out the exhaust ... |
Topic: 924 turbo(931) head on 924 n/a |
Glen931
Replies: 49
Views: 31715
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Forum: Performance Upgrades Posted: Fri Mar 02, 2007 11:18 pm Subject: 924 turbo(931) head on 924 n/a |
If you have the time and skill to port it yourself, a valve job and valves are pretty cheap.
And I wasn't saying not to do this, just wondering which approach would give you the most bang for your ... |
Topic: 924 turbo(931) head on 924 n/a |
Glen931
Replies: 49
Views: 31715
|
Forum: Performance Upgrades Posted: Fri Mar 02, 2007 3:17 am Subject: 924 turbo(931) head on 924 n/a |
| Is it really worth all this work to put a better flowing 931 head on rather than working on better flow on the 924 head. can you get the same or better flow out of porting and aftermarket valves are i ... |
Topic: Compression and Compressors |
Glen931
Replies: 58
Views: 31137
|
Forum: Performance Upgrades Posted: Sat Feb 10, 2007 3:41 am Subject: Compression and Compressors |
| Special-tool Its nice to see someone running high boost on a 951. Iv been posting on clarks garage (front engine porsche forum) and everyone with a 951 keeps saying they cant take much boost. If you d ... |
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