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HelmetHead 08-12-2011 11:26 AM

EFI distributor vs crank/cam sensors
I am working on my EFI again and stumbled across some older threads discussing the Accel 77911 distributor (dual sync)....anyone try this's/con's?

ACCEL 77911 - ACCEL DFI Dual Sync Distributors - Overview -

proffighter 08-12-2011 03:00 PM

We talk about you 87 turbo right? Then the Accel is useless, your dizzy turns counterclockwise...;) I think all 3.3 turbos do
So I dont think the gear will fit. Direction itself does not matter BTW

CaptainCalf 08-12-2011 05:37 PM

you could do what I'm doing and use a 964 3.6 flywheel conversion with the full sized 60-2 wheel configuration and use a sensor like the stock 964 Bosch sensor and sensor mount. Your 930 gear box bell housing will likely have to be notched for the sensor, but the 2 mounting holes should already be in your case...they were in my '87SmileWavy

Patrick Motorsports - PMP 24036DMEFW 3.6L 36L CONVERSION FLYWHEEL 9 BOLT 930 G50 240MM 964 993 DME MOTRONIC PORSCHE

GJF 08-14-2011 08:18 PM

The distributor will work fine IF.... You are running an aftermarket ECU such as a Accel DFI or any programmable fuel/spark engine management system. You will need to use your gear off your stock distributor. The rotation is irrelevant with these units. They are extremely reliable. If you want it modified for twin plug let me know. G

HelmetHead 08-16-2011 06:49 AM

Turns out my sensors were working fine..they were just in the wrong zipcode. I had a high syncRef value (93%) which required moving of the cam sensor to bring it down to ~65%...should eliminate some of my issues.

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