 Random air cooled question, Weird behavior after oil change |
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| Jett |
 Nov 23 2023, 05:54 PM
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#1
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Senior Member  Group: Members Posts: 1,641 Joined: 27-July 14 From: Seattle Member No.: 17,686 Region Association: Pacific Northwest 
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… this is not about a 914 but is about our 1977 911S Targa 2.7L
Took her in to have a bad ground fixed that was blowing a fuse on the clock/lighter circuit. While being serviced we had an oil change done although it didn’t really need it. We had 10L’s of Motul 20/50 added and new filter. While driving home I noticed that the oil pressure during throttle was almost pinned. When we got home (2 miles) the oil reading on the gauge at rest on level ground was just above the low line. This morning we moved it on the lift for winter storage and noticed a small puddle of oil, which never happens with this car. I cleaned the undercarriage and will see in the morning. Any ideas? |
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| Krieger |
Nov 23 2023, 09:09 PM
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#2
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Advanced Member Group: Members Posts: 4,728 Joined: 24-May 04 From: Santa Rosa CA Member No.: 2,104 Region Association: None
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I am wondering what they did to fix the ground on the clock. I think (not 100%) if you ground the oil pressure sender out (or the wire from the sender to the gage) it pins the gauge. Take it back in.
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| Jett |
Nov 23 2023, 10:23 PM
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#3
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Senior Member Group: Members Posts: 1,641 Joined: 27-July 14 From: Seattle Member No.: 17,686 Region Association: Pacific Northwest
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QUOTE(Krieger @ Nov 23 2023, 07:09 PM)  I am wondering what they did to fix the ground on the clock. I think (not 100%) if you ground the oil pressure sender out (or the wire from the sender to the gage) it pins the gauge. Take it back in. My mechanic is coming over on Tuesday. The oil pressure goes down at idle but up at throttle , so the wiring should be ok. The engine had 20/50 in it before but the temps havee changed. … oil on the ground was overflow and/or blow off? |
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Posts in this topic
Jett Random air cooled question Nov 23 2023, 05:54 PM
Bullethead Was the oil level checked with engine warm, thermo... Nov 23 2023, 06:58 PM
Jett
Was the oil level checked with engine warm, therm... Nov 23 2023, 08:11 PM Root_Werks 20/50 seems pretty thick.
There are 1,000+ threa... Nov 23 2023, 08:18 PM bkrantz
20/50 seems pretty thick.
There are 1,000+ thre... Nov 23 2023, 08:25 PM falcor75 The small puddle could it be spilled oil from the ... Nov 23 2023, 11:10 PM mlindner 20/50 is the oil of choice on these older flat six... Nov 24 2023, 06:27 AM rgalla9146
20/50 is the oil of choice on these older flat si... Nov 24 2023, 07:17 AM Jett
20/50 is the oil of choice on these older flat s... Nov 24 2023, 11:20 AM Jett Turned out to be what some suspected…
1. Oil on... Dec 1 2023, 06:38 PM 930cabman All is well that ends well, your mechanic needs a ... Dec 2 2023, 07:41 AM Jett
All is well that ends well, your mechanic needs a... Dec 2 2023, 08:51 AM arbitrary Make sure your gauge reading matches the dipstick ... Dec 2 2023, 12:31 PM porschetub
Make sure your gauge reading matches the dipstick... Dec 2 2023, 01:40 PM |
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