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Click on image for the lowdown. 
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| | | Forums66 Topics128,042 Posts1,055,518 Members48,424 | | 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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#56928 02/24/2006 12:07 PM | Joined: Sep 2002 Posts: 158 knuckle head | | knuckle head Joined: Sep 2002 Posts: 158 | There are no hi volume oil pumps available,only the stock type pump.
A 228-302 GMC oil pump flows about 20 percent more oil,the relief valve is set at 55-60 psi .It's fairly easy to install the GMC pump in a Chevy by reworking the external oil feed line and pick up tube. | | |
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