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brentrussell brentrussell is offline
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Join Date: May 2010
Location: New Zealand
Posts: 260
Garage
Initial test results

Hey team,
So after 6 weeks the USA supplier hasn't sent gauges and can't advise when they will be available to send... so cancelled that order
So borrowed them off my Friend... finally have some results for solution.

1981
ROW engine
Bosch 0438 140 089
Ambient temp: 11 degrees Celsius
WUR resistance:31.5 ohms
System pressure: 4.7 bar
CCP: 0.8 Bar, 80kpa, 12PSI. Temp 10.5 Celsius
WCP: Same as above, did not move... waited for 10mins.

So my CCP seems low? and my WCP not raising when the WUR is connected and powered up.
I checked power to my WUR plug with a test light, has power when key on and FP running with switch as per above tests.

What's the plan from here? I'm thinking it involves opening up the WUR or if I can borrow from my friend to see if that is the issue...
I've triple checked my hose connections and plumbing, I did use the Hard line going between FD and WUR instead of directly into the FD... but I don't think that would cause an issue? Let me know if I should bypass this line.

Looking forward to your reply.

Brent
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Brent
Christchurch, New Zealand.
Project: 1973 RSR Clone build http://forums.pelicanparts.com/porsche-911-technical-forum/576125-nz-73-rsr-clone-build.html
Old 08-04-2021, 02:00 AM
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