Having trouble finding the right oil pump for my forged 355 LE2.
I dont want the Melling M55a due to the thin casting failures I have been reading about. I will be running the stock LT1 oil pan.

That leaves the Melling select:
10554 STD volume oil pump
10552 10% boost in volume oil pump

Can I run the 10% higher volume oil pump without having the pan sucked dry issues or should I stay at the STD volume. I think the majority of the problems have been from the 25% oil pumps.

What do you guys think about these two pumps.
Thanks

 

What happen to your other thread?

 

I was commenting on the wrong pumps, those were 5/8 pickups.
I need the 3/4 pickup, it was deleted to reduce confusion.

 

I would go with the 10552 or 10552C if I didn't already have the M55A. I think the extra volume is great and won't suck the pan dry. Looks like the pickup bolts on as well.

 

Oh I see, so the part #s at in your first post in this thread are 3/4 inlet then?

 

Yes,
So the question is will there be any pan dry issues with the 10% over standard oil pressure. Brett responded to the other and said no, however I want to hear from those that might be running this pump.

 

I have a 10552 with stockish pan. I spin to 7k at the track and have not sucked the pan dry. Make sure you loctite the bolts on the pickup, I had mine fall off!

 

Tac welding is not a bad idea either.

 

what sump screen did you use?

 

??????

 

What bearing clearances do you run.
My new shortblock has .0022" - .0025" on the rods and mains. I am still trying to make the best decision to get the best oil pump for my 355 LE2. The choice is stock volume or 10% extra on the pump volume.