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| | | Forums66 Topics128,043 Posts1,055,611 Members48,426 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2009 Posts: 46 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2009 Posts: 46 | I have an hei distributor for a 250 ci engine to install in my 235, I keep seeing distributor modification but haven't found the modification they're talking about. Could someone explain this. | | | | | Joined: Feb 2004 Posts: 29,763 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,763 | The flange where the distributor housing rests on the block is just a little too far down on the housing for the oil pump drive to engage properly. I machine it off, and fabricate a collar that's adjustable so the engagement of the drive gear and the pump drive can be adjusted properly. Mine also incorporates a squared-off spot with a bolt hole in it to use the original hold-down bolt to secure the dizzy to the block.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | it's explained in the techtipsBill | | | | | Joined: Mar 2009 Posts: 46 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2009 Posts: 46 | | | |
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