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CraigD CraigD is offline
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Join Date: Oct 2001
Location: Davis, CA
Posts: 126
Question Distributor Help

I need the boards help. I think I finally figured out why my car runs poorly at high RPM. I checked the timing, it is set ok but has ~2 degrees of advance/retard movement at high RPM. I checked the dwell...set at exactly 39 at idle, however, drops about 8 degrees as I increase engine RPM. I increased the dwell to 42 and the car would rev up better but still felt missing/hesitation above 5500 RPM. I checked shaft play and I think that is the problem as there is visible movement at the shaft. I unfortunately have the original Marelli distributor.

Do I need to shell out $800 for a new Bosch unit to replace the aging Marelli? Anyone have leads for best price?

If possible, what used Bosch units can I purchase and refurbish?

What do you recommend?

Money is an issue but don't want to save on a used distributor to end up having it cost more by the time it is refurbished.
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Craig Dinger

'02 Sampson Titanium, Campagnolo 20 speed roadbike, daily commuter, 3,700 miles and counting

'71 911 T Targa for fun
'89 BMW 325i sedan wife' ride
'83 BMW 533i White/Cardinal red leather, Wet weather commuter
'89 BMW 535i auto to 5 speed conversion in progress
'98 Ford F-150 weekend hauler
Old 12-06-2001, 11:21 AM
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