I have a Dodge 5.2L (318) and they list 3 oil pumps for it. Of course the
standard pump and then
a High Volume pump that is recommended for higher mileage engines which says
it pumps 20-25%
more oil and then they list a high volume/high pressure pump. I was thinking
putting a high pressure
pump in an older motor (100,000mi) would be asking for oil leaks to develop.
I was thinking about
the high volume pump, but are restrictor plugs required in the block like
chevy small blocks are
required or a higher volume oil pan?
If you're having trouble maintaining proper oil
pressure in an old engine, then a high volume pump is a
The trade off is that they take more power to run.
On newer engines, they can eat cam and distributor
One of the inherent "problems" with a high volume
pump, is that you often need a high volume pan to with
it. If it's just a street truck, and you drive it
gently, it will probably be OK.
If you're replacing the pump to get better
pressure in an old engine, it's probably a worth while
delaying tactic. Eventually you'll have to rebuild the
engine (or sell the truck)
High pressure pumps are for racing only.
This is all bull pucky. The extra power is minute and maybe if you
have a tight engine and it is zero and you have 50 weight oil in and a
rev the snot out of it cold you might strip the gear out. In a worn
engine a higher flow pump is a very good idea because it floats the
bearing a little bit better and cools then a bit more too and helps
extend their life. The higher volume allows you to use a lighter grade
of oil in a worn engine and still float the bearings properly. The
only cooling the bearing receive is from the oil flowing through them
and there is heat being made in them from shearing forces and a
increase flow will tend to reduce temps in them a little bit too.
There you go again. Everyone else is wrong, and
you're right. Even if you say the same thing with
differant words, the other words are "bull pucky", and
yours are not.
Good thing you're around to set everyone else straight.
If we were in a bar, I think I could stand about
90 seconds with you. I'm a very patient man.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.