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| | | | Joined: Nov 2006 Posts: 84 'Bolter | | 'Bolter Joined: Nov 2006 Posts: 84 | I have see a few HEI Distributor conversions done on Chevy motors an was wondering if you can do the same with a GMC motor. I have a 1958 270. Thanks in advance for any advice.  | | | | | Joined: Dec 2001 Posts: 1,248 'Bolter | | 'Bolter Joined: Dec 2001 Posts: 1,248 | That is a good question.... Where are you GMC guys at on here??
You might be able to install a Pertronix in your stock distributor and use a coil. That does away with points and wear then.
John | | | | | Joined: Dec 2001 Posts: 1,248 'Bolter | | 'Bolter Joined: Dec 2001 Posts: 1,248 | I see an older post back in 2009, in the electrical forums, a fellow said he bought an HEI from Jim Carter truck parts for a GMC 270....
John | | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | The distributors will interchange with Chevy distributors as long as the gears match the cam. So the later GM HEI modified for a Chevy can be used in a GMC.
I have run a Pertronix in my 248 for a bunch of miles. | | | | | Joined: Aug 2013 Posts: 255 'Bolter | | 'Bolter Joined: Aug 2013 Posts: 255 | You can convert the GMC distributor to HEI very easily. I had mine done by machining the points cam lobes down to fit a Ford reluctor wheel on it, then use a Dodge pickup sensor bolted down to the points plate. Mount a 4 wire GM module on the firewall or intake, use small HEI coil mounted same. Got a spare 270 distributor handy? good luck. Jim. A good write up in Hamilton Fuel Injection on Binder planet.. http://www.binderplanet.com/forums/showthread.php?p=799563#post799563 | | |
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