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: Sick of my questions yet, heres another blumont Oct 22nd, 04, 12:00 PM smile.gif Oil pump for the new 400. Is a Melling M55 sufficient for this mainly street driven ride or should I consider the M55HV? I promise there won't be many more questions on parts or machining. Next will be assembly tips :D mr 4 speed Oct 22nd, 04, 12:21 PM Jerry,the stock pump will be just fine.Just be sure to tack weld the pick up on... blumont Oct 22nd, 04, 12:37 PM Thanks Chris, while I have you here I believe you are using the B&M 2400 holeshot convertor, right? Your opinion on it? mr 4 speed Oct 22nd, 04, 1:47 PM Jerry,yes I am using the 2400 Holeshot It works good for my combo It flashes to about 2800 in my car. I'd say I'm reasonably happy with it graemlins/thumbsup.gif ssal396 Oct 22nd, 04, 2:22 PM :eek: Mr 4 speed is running a converter?? :confused: LOL mr 4 speed Oct 22nd, 04, 2:33 PM Originally posted by ssal396: :eek: Mr 4 speed is running a converter?? :confused: LOL My car(s) no longer match my username LOL 427L88 Oct 22nd, 04, 3:01 PM M55 is fine, HV is trouble imho. If you want to get trick with it, there's a step-by-step "trickening up" procedure in the book How to Hotrod BBC's. A few steps will make it like the $60 'blueprinted' pumps. Does Melling have a slightly higher pressure spring? They used to, to fit the mechanical lifter applications. blumont Oct 22nd, 04, 3:22 PM Are you saying I should maybe look into a higher pressure pump with the solid lifters? I can check and see if they have different springs available Wolfplace Oct 22nd, 04, 7:50 PM Jerry, Melling M55A is the hi pressure pump but you are paying about $10 extra for the spring :( pdq67 Oct 22nd, 04, 10:54 PM A Dremal Tool and a 1/8' dia. fine stone plus 30 minutes will do you nicely following the instructions in the book.. Been there, done it.. pdq67 | ||