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Wait...is my distributor backwards??

 
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BWW  



Joined: 21 Sep 2021
Posts: 60
Location: Idaho, USA

PostPosted: Wed Jun 15, 2022 5:20 am    Post subject: Wait...is my distributor backwards?? Reply with quote

I manually set the timing to TDC to check alignment. Once I did so, the rotor was pointing at the no. 1 cylinder, which I thought was correct. When I looked at the WSM, however, I found this picture which suggests the rotor should be pointing toward the firewall. Which is correct??

https://isu.box.com/s/3mb882pjde7f1cuo8v7zxnfjqt7mipm8
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924RACR  



Joined: 29 Jul 2001
Posts: 9067
Location: Royal Oak, MI, USA

PostPosted: Wed Jun 15, 2022 9:26 pm    Post subject: Reply with quote

The important part is what lead wire on the cap it's pointing to, and where on the distributor body. Which is what the picture you shared references also.

Firewall location is incidental.

Also... never seen anything that references pointing it to #1 cylinder; rather, the last bolt on the intake manifold. Not certain how important that is for Turbos, though - and of course that'd only be for early/S1 Turbos.

You should probably also put that information in your signature, BTW...
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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype
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BWW  



Joined: 21 Sep 2021
Posts: 60
Location: Idaho, USA

PostPosted: Thu Jun 16, 2022 2:16 am    Post subject: Reply with quote

Thanks, Vaughan. That makes sense. I tried re-aligning and rewiring, but to no avail. Will run through the WSM diagnostics flowchart next. BTW, would a bad WUR keep the car from starting or just make it run poorly once it's started? Sorry if my questions are silly...still in the early stages of learning.
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Brent
'81 931 project car
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