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Click on image for the lowdown. 
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| | | Forums66 Topics128,115 Posts1,056,636 Members48,450 | | 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
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Apr 2009 Posts: 431 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 431 | is there much difference between a hd melling oil pump vs a stock pump? pros? cons? my engine will be coming back from machining, and i'll soon be putting it back together i just started the 3.90 rebuild, and discovered that one of the diff carrier bearings had spun a tad on it's inner race. staked the carrier in many-many places, approx .001 overall, in order to make a tight fit. and rust mort looks like it'll do a good prep job for paint | | | | | Joined: Apr 2005 Posts: 1,971 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 1,971 | HD or "HV"?
HV is High Volume. | | | | | Joined: Sep 2007 Posts: 461 Shop Shark | | Shop Shark Joined: Sep 2007 Posts: 461 | Rednate,
I went for the Melling myself when I picked up a bunch of goodies from Patrick's. I just always used them 'cause Pop always swore by Harry Melling's product. I don't think you are talking that much more money for the Melling either. No scientific data to back up my purchase however.
Hank | | | | | Joined: Apr 2009 Posts: 431 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 431 | HD or "HV"? - neither. i read it wrong. it's a stock pump
and yeah, melling has that name recognition going for them. and i found it for $84 and change | | |
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