Pelican Parts Forums

Pelican Parts Forums (http://forums.pelicanparts.com/)
-   Porsche 911 Technical Forum (http://forums.pelicanparts.com/porsche-911-technical-forum/)
-   -   CIS testing results question (http://forums.pelicanparts.com/porsche-911-technical-forum/1136720-cis-testing-results-question.html)

Damon88 03-18-2023 10:24 AM

CIS testing results question
 
1983 US new rebuilt engine. I Have a 50 break in miles. Starts fine both cold and hot. But smells rich.. but who am I to say for sure...hah

fuel distributor #0 438 100 077
WUR 090 ( brand new unit from K jet)
Cold pressure temp 11.4c
1.3 Bar pressure test valve open
4.8 Bar pressure test valve closed

Hot Temp
3.5 minutes 3.1 bar
rest pressure
10 min 1.3 bar
20 min 1.1 bar
30 min 0.6 bar

Did this test twice to make sure, it was my first time doing this procedure. Thanks to a great video done by Klassik auto on YouTube. From what I'm reading, the Bentley manual it shows its "Rich" on start up ? I don't have any way to test air/fuel without taking the car to the local porsche dealership. go easy on me... first timer lol Cheers.

berndtj 03-18-2023 10:32 AM

Pressures won’t tell you mixture. I was in a similar predicament, and just installed an AFM gauge. Probably cost less than a trip to the dealer.

Johner 03-18-2023 12:46 PM

Whereabouts are you on the Island? I'm just outside Victoria and have a CO meter which you could use if you're local. Send me a pm if you're interested

John

Damon88 03-18-2023 02:27 PM

Thanks John. PM sent

Damon88 03-18-2023 05:40 PM

Quote:

Originally Posted by berndtj (Post 11949741)
Pressures won’t tell you mixture. I was in a similar predicament, and just installed an AFM gauge. Probably cost less than a trip to the dealer.

Thank you for the reply. Did you have to install a second 02 Bung for this set up?

garment 03-18-2023 06:08 PM

Which AFM gauge did you get?

Thanks.

Quote:

Originally Posted by berndtj (Post 11949741)
Pressures won’t tell you mixture. I was in a similar predicament, and just installed an AFM gauge. Probably cost less than a trip to the dealer.



All times are GMT -8. The time now is 07:45 AM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2025, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2025 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website


DTO Garage Plus vBulletin Plugins by Drive Thru Online, Inc.