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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
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2004 Posts: 29,810 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,810 | If it's the classic dome-topped canister filter housing, the flow restrictor should be built in. Check out the center standpipe with a bright flashlight and an inspection mirror. Somewhere near the midpoint of the standpipe there should be a small hole, about 1/16" or so. If it's there, that controls the oil flow and no other restrictor will be needed.
If you have a larger drain hole, get a main jet for a Holley carburetor, drill it out to 1/16" and thread one of the reducer fittings with a 1/4"-28 thread. Screw the main jet in, and you're good to go!
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!
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