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08-24-2016, 07:11 AM | #1 |
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FSI Distributor
I have an FSI distributor (not zipper).
I have noticed there is no locking pin for the head as on an original Model A distributor. Will the set screw on the side of the head be enough to secure the distributor or would there be the possibility of movement thus changing the timing? Thanks, Steve |
08-24-2016, 07:34 AM | #2 |
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Re: FSI Distributor
i would think so, modern cars with a distributor just have a single bolt and 2 fork prongs holding them down. I wouldnt go bonkers with tightening it as id imagine with the stock distributor you can distort the housing enough to wear the shaft bushings egg shaped.
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08-24-2016, 08:24 AM | #3 |
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Re: FSI Distributor
Yeah, and I know that it is not good to over-tighten that set screw...
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08-24-2016, 08:25 AM | #4 |
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Re: FSI Distributor
Yes, we use one of those for years.
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08-24-2016, 09:26 AM | #5 |
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Re: FSI Distributor
you will be fine. Do not over tighten, you'll strip the threads in the head
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08-24-2016, 10:27 AM | #6 |
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Re: FSI Distributor
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08-24-2016, 12:34 PM | #7 |
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Re: FSI Distributor
then you won't be able to time the dizzy properly
there is no pin for a reason
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08-24-2016, 08:12 PM | #8 |
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Re: FSI Distributor
I hold the dizzy in place with that screw - have done for years. I use it to "fine tune" the timing. If I can induce the engine to ping, I retard the timing a smidge (technical term) by loosening the screw and turning the distributor body a little and retighten the screw (and lock nut).
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08-24-2016, 09:18 PM | #9 |
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Re: FSI Distributor
I was worried about that also because this car almost vibrates like a Harley, so I marked the spot with a touch of white- out.
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08-24-2016, 10:03 PM | #10 |
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Re: FSI Distributor
Might shake the white out off the engine?
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08-24-2016, 10:15 PM | #11 |
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Re: FSI Distributor
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08-24-2016, 10:24 PM | #12 |
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Re: FSI Distributor
As a side note: When I put a Weber & a single point Mallory on Minerva, she ran best @ 7 1/2 degrees BTDC! She would idle like a stocker in parades & NEVER kick back, when starting---MAGIC???
Bill Fiddling
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08-25-2016, 07:13 AM | #13 |
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Re: FSI Distributor
I have had one of these on my car for over 10 years. About two years ago I found both that I was slightly overheating and when starting, it was hard to crank by the compression stroke. All pointed to changed timing and I had to reposition and retighten. All solved. Maybe I did not tighten enough, but like some comments above, I was concerned that it might bind up the shaft in the bushing.
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08-25-2016, 09:29 AM | #14 |
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Re: FSI Distributor
Once you get it timed to your liking, put a mark on the dizzy to show where it should be. Then later if any question, you need only look at the mark
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04-07-2017, 10:09 AM | #15 |
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Re: FSI Distributor
I am in process of installing a FSI Zipper. The spring armored cable housing running to the terminal box seemed a tad long which put a twisting pressure on the distributor housing. I actually moved the distributor from the locked down position by trying to place the cable end. I cut about an inch off the spring and now the distributor sits parallel to the engine more naturally before snugging the screw.
Jerry Last edited by Fillinjc; 04-07-2017 at 10:18 AM. Reason: Added picture |
04-08-2017, 05:45 AM | #16 |
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Re: FSI Distributor
Make sure you have a dedicated ground to the battery.
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