Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Melling M55 oil pump
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Old 02-06-2013, 09:32 PM
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Thanks for the info. I think this one I'm putting together now is the 11th small block I've built and I've always used the standard volume M55.
When the bearing clearances are correct there's no need for anything else, not on a mild rodded street engine anyways. However this build is a mild performance build to go in my nephews 89 Ford Ranger 4x4. This truck will see some street plus will be hanging out at the local mud park.
The only time I would use a high volume pump would be as a band aid for excessive bearing clearances in a engine I was trying to keep alive for a little while longer. I don't care much for HV pumps as they require up to 20 horses to drive.
It's pretty basic 350. Ported 305 heads, .224 duration cam, headers, KB 12cc D dish pistons, Weiand Action plus intake, Quadrajet carb, windage tray, comp double roller timing set and comp push rods. TH400 tranny, 2800 stall, NP241 transfer case, 3.73 gears and sitting on 36 inch tall Gateway Buckshot Mudders. In a light Ford Ranger it should be lots of fun.
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