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  #1   IP: 174.195.203.43
Old 01-20-2021, 01:56 PM
AlanLindquist AlanLindquist is offline
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Petronix Distributor lock down

Hi I’m installing a Moyer fab Pertronix replacement distributor. The old distributor had a collar that screws to the block and has a lateral tension screw to lock it in place. This replacement distributor has an aluminum collar that interferes with complete seating. See photo.

What is the common resolution? I do have a grinder and can modify the hold down bracket to fit without taking more than an 1/8 inch of material out of the center of the bracket to resolve interference but perhaps there’s a common solution for this.

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  #2   IP: 67.169.215.221
Old 01-21-2021, 11:19 AM
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ronstory ronstory is offline
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My engines are all the newer block with a chevy style lock down clamp. Adding a tapped hole would not be hard to convert to the new style, but I would give Ken at MMI a call to get their official recommendation. This will not be Ken's first "new distri / older block" rodeo. ;^)
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Last edited by ronstory; 01-21-2021 at 11:20 AM. Reason: typos
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