There was a discussion on another forum about the safety wire on this pump. How do you install/set clearances without undoing the safety wire?

 

The gears are larger, thicker, or have more vanes. There's a chart floating around the Internet somehwhere showing the flow characteristic of the Mellings and OEM pumps.

 

Ur engine looks like a piece of art.. , they call it a medium volum pump... and it started as a high volume melling pump ... so did they slow it down or speed it up lol 50psi cranking... what oil?

 

I found that chart, wonder what they flow after these guys get them

 

It's just relative. The 10296 was a high volume pump before the VVT/AFM pumps came out. Those are the real high volume pumps now(besides the external/dry sump pumps).

I have my clearances at about .022" and with 5w20 I have about 40-50psi idle and 60-70ish at WOT.

 

.022 is what we run in the mod engines... so i should prob be around the same with my .028 and 15-40 right?

 

I think now im leaning towars the 10296

 

Ive also read somwhere that melling housings were cracking? Is this an old problem or a new one?

 

Thanks for the advice... now how about windage trays? I know i gotta cut it up and space it... better off with the mast? Or how about not running one? Lol my engine guy said it wasnt needed

 

ALrighty, so the deal here is my engine builder didnt know that a "hi volume" pump is really only 8gpm, because he builds old cup car engines not lsx ... anyway with that figured out, i still didnt get an answer on melling having case problems? And also, i have a 408. This means the stock tray hits the rod bolts, bad.. the fbody tray i had would have had to lay flat on the bottom of my pan... NOT GONA WORK HUH... thats why he said not to use it, and if its too close to the crank it will vause more windage.. makes sense to me. i brought over my old lq4 tray and it seems to be better, how do you guys deal with this? It seems to be far enoughf away from the counter weights when its not spaced. And when i space only the lesser hanging side of the tray 1/4inch.. the rod bolts clear that side.. but not by much other side still hits, and obviously thats the side the pic up is on!!!! Sooo do you "as in someone thats done this" simply cut the tray out where the rods are? Is it OK to space only the lesser hanging side of the tray? Basicly making it flat .. even with it spaced only on 1 side with my pan ( 2.5" deep for most of the pan... no taper) the tray is still about a 1/16 off the pan on the picup side of the tray, and ill say 3/16 on the other... this is with no gasket... how much space do i need there before the tray is basicl just hurting oil return? Or is it just ok to slam it into the bottom of the pan? Or slam it right next to the counter weights so the oil gets more foamy? Thanks, Adam

 

I've never heard of Melling pumps cracking.

You can usually space the windage tray out with a handful of washers. That's pretty much standard practice for the strokers and I've personally never had a problem with the tray hitting the pan. You do want to make sure you have adequate clearance from the pickup to the pan though, which can be adjusted easliy.

 

Shumann oil pumps.... ask for Tim. He can custom build you a unit yo suit your needs. Great customer service too.

 

Ok, the pic up to the bottom of the pan isnt an issue, just 2 more ?s how much space is needed between the bottom of the tray and the pan, because mines gonna be close, and the tray is lower on one side.. not flat, so is it ok to space up only one side? And basicly make it level?

 

Thank you, ill try this tuesday

 

There's good info in this thread !
What is the difference between a Melling M295 and a Melling 10295 ?

 

Im not sure mabey someone else will chime in, knowing that the hi volume pumps barley flow anything compared too a old school set up changes everythin.. too bad we cant get a chart together with all the gpm's

 

Heres the pan im using, 7.5 quart slp ( symbol luxury performance ) mabey this will help explain why im asking if the windadge tray is needed, if its almost flat touching the bottom of the long flat portion of the pan, and simply blocking over the top of the deep part where the sump is