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I had a 1981 931 for a while that burned up. It had the upgraded wheels, which I saved, and now want to sell. Before I list them, I need to know the code for them, or what they're called. They're flat ...

I have an '81 so I was looking at pg. 13 in the Supplement. The print is lousy so you can't see the "bk/gn" on the page

yup, smoothie--
the "grounded" black/green wire was my own little red herring. It's always the simplest, stupidest stuff--I finally got smart and put 12V to the #30 terminal at the relay an ...

so I have the problem traced to a fat green and black wire that sends 12V to the fuel pump. There's a connector inside the mass of wires behind the fuse block--past the connector the wire goes out th ...

what I meant by continuity is that if I put the meter leads between the hot terminal of the fuel pump and ground, there's continuity ... which ain't right, is it? means it's grounded

My 931 won't run unless I put a hot wire directly to the fuel pump terminal. I did some preliminary checking, the multi meter says that the hot circuit has continuity when everything is off. In other ...

the relay socket's got 12v at the #30 pole, and 12v when you bridge the #30 and #87

the only thing I can think of is pull all those grounds off again ...

rip the ign. key out? fumble around blin ...

Right. that's next on the list. I almost didn't post this problem because I hadn't checked for power through the relay but I thought maybe it was one of those "been there done that" scenario ...

one of the first things I checked. . .

So ...
I'm flushing my cooling system (1981 931) and the car is idling in the driveway. suddenly it stops running. Doesn't stumble or hesitate, it just stops.

A few minutes later I've determined ...

When the weather's cold, does the mixture in a fuel injected car go leaner or richer? My 931 runs way better when it's over 40 degrees, really sings, but borders on balky when it's very cold out, unt ...

Berkshire Custom Coatings, Pittsfield, MA
413-443-3757

They did a volvo marine diesel tranny for me last year for $50

However-- you're in Boston? Cambridge and Somerville are crawling with cust ...

love the huge Porsche badges on the crash wall

Rasta, you were looking for Permatex somewhere -- i had to second your comments, it's about twenty times better than silicone for most applications. you used to be able to get hardening or non-hardeni ...

After pulling off Micro-switches and readjusting them so they actually work, I finally got, at idle, well warmed up, after much trial and error, the "closed loop" action about which I've hea ...