86pontiac

I am building a 1977 403, and I have read online a couple of times that when you put a high volume pump, or it may happen even with the standard volume, that all the oil in olds engines tends to run to the top of the motor and starves the bottom end. What do yall think about this topic and since the engine is not going to be used at the strip, strictly daily driver, should I use the oil resticors?

cutlassefi

First question I would ask is what type of mods? Then if it's only going to be a mild daily driver why are you putting in a High Volume pump? For that application you don't need it IMO.

86pontiac

http://www.summitracing.com/checkout/cart.aspx
This is the list of all my mods. Well I have built one engine fo rmy ford truck,a nd been help of building anouther and on both of them we used high voume pumps just for the simple fact of better oil circulation.

86pontiac

Oh and I am going to port and polish the original heads.

Olds64

I put a HV oil pump in my Olds for the same reason (simply to have it). However, I put in a Milodon deep sump pan as well. I wouldn't run a HV oil pump without a deep sump pan.

cutlassefi

86pontiac your cart was empty.

I'm with olds64. At least the 5 qt from Milodon would be good. My first build was a stock pan with restrictors on a mild motor with a HV pump. Didn't need it, won't do it again.

86pontiac

I just clicked on the link and it had everything that I clicked to put in the cart.

86pontiac

So you didnt need the restricors after all.

joe_padavano

You might want to read through this thread:

https://classicoldsmobile.com/forums...strictors.html

86pontiac

Ok, so, what I have read is that unless you are running an engine at upwards of 5000 rpm, or high horsepower racing, then there is no need for oil restrictors. So therefore I could run a high volume pump, to ensure qaulity oiling, and a 5qt pan so I dont suck it dry. Anybody who doesnt think this is good please tell me otherwise.

Olds64

I wouldn't run a HV oil pump without the deep sump pan. The Milodon and Moroso deep sump pans are 7 quart. IMHO the Milodon is worth the extra $30.

My442

Milodon 7 quart pan, HV oil pump, windage tray here.

No restrictors.

380 Racer

Raced for quite a few years.......stock pan, HV pump and restrictors.

cutlassefi

You're not really going to use that hydraulic roller for a daily driver are you?

86pontiac

If you mean the cam, then yes, and it is a hydraulic flat tappet.

cutlassefi

If it's the one I'm looking at it says Hydraulic roller for a Pontiac. Maybe I'm mistake but that's what shows up when I click on the link. The picture is a flat tappet but the description is for a roller. It better be for $739.95!

captjim

Just my opinion but if you are running stock (snug) bearing clearances then the stock pump will be more than adequate, Just check pan to pickup clearance and having the pickup tacked in place is cheap insurance.