high flow oil pump

dave 1970 · Feb 2, 2007

can anyone tell me what the advantage is of using a high flow oil pump,i see know advantage except for blowing out an oil filter,the motor has a high volume on it mow i think i will change back to stock,if no one knows of any advantage,thankyou for your in put

ForceFed70 · Feb 2, 2007

Unless your engine was built with a high flow pump in mind (looser bearing tollerance, more oiling ports, etc) there is no benifit.

In fact you run a higher risk of shaft or dist gear failure which could cause more damage in the end.

mustangdave · Feb 2, 2007

A high volume, not high pressure , pump is designed to flow more oil at the same given r.p.m. This is useful in racing situations where the bearing clearance are set to a looser tolerance. For a street engine, (or even alot of dual purpose emgines), the clearance are set tighter; so a high volume serves no purpose other than to damage the oil filter or press-in oil plugs.
A word of caution on stock pumps though; they are net checked very well for tolerances and you can get a crappy one. A blueprinted stock pump is a good idea. Someone will chime in and say that they've used hundreds of stock pumps with no problem, but it only take one out-of-whack pump to destroy an engine that cost you thousands of dollars to build, so it should be considered.

ForceFed70 · Feb 2, 2007

There's not much that can destroy your engine faster than a failed oiling system. Getting a good quality pump makes sense.

ratio411 · Feb 2, 2007

High volume pump is for loose bearings.
The extra stress on a street engine is focused on the oil drive shaft, cam gear, and distributor shaft.
Not a good thing for a streeter.
Believe it or not, the HV pump also has a high parasitic HP loss.
Dave

spirockp · Feb 2, 2007

In other word, take it out!

fvike · Feb 2, 2007

Dammit, I just ordered a HV pump from Summit. Should I send it back for a Standard volume pump? I lost a cam lobe last year, and the oil pump is the only part in the engine not protected by the filter right? So I thought I'd just get a HV pump while I was at it. Bad idea? I still have my old SV pump.

This is the pump I ordered:
http://store.summitracing.com/partdetail.asp?autofilter=1&part=SLP%2D224%2D41143V&N=700+0&autoview=sku

68coupe408 · Feb 2, 2007

http://data.melling.com/Tech pdfs/HIGHVOLUMEPUMPS.pdf
The hv pumps only flow 20-25% more than a standard pump. The difference in hp loss is like going from 10-30w to 20-50w oil, maybe a few hp. I have one in my engine and my bearing clearances were within range. My gauge goes about 3/4 when cold then to the half mark warm and idling. I don't like the huge main bearings in a 351w plus rpms is the reason why is stuck it in there. I also have a 8 quart pan.

ratio411 · Feb 2, 2007

fvike said:
Dammit, I just ordered a HV pump from Summit. Should I send it back for a Standard volume pump? I lost a cam lobe last year, and the oil pump is the only part in the engine not protected by the filter right? So I thought I'd just get a HV pump while I was at it. Bad idea? I still have my old SV pump.

This is the pump I ordered:
http://store.summitracing.com/partdetail.asp?autofilter=1&part=SLP%2D224%2D41143V&N=700+0&autoview=sku

Don't send it back...
It's not that big a deal.
I have one in my very mild 302.
Would I take it out or lose sleep?
No.
If I swap it again, will I use HV?
Probably not, but it's not a big deal.
It's not often that these negatives actually rear their heads.
Dave

dave 1970 · Feb 2, 2007

ratio411 said:
Don't send it back...
It's not that big a deal.
I have one in my very mild 302.
Would I take it out or lose sleep?
No.
If I swap it again, will I use HV?
Probably not, but it's not a big deal.
It's not often that these negatives actually rear their heads.
Dave

thankyou all for the input,i ordered a heavy duty pump shaft from for ,i will stay with the stock pump,thanks again

fvike · Feb 3, 2007

ratio411 said:
Don't send it back...
It's not that big a deal.
I have one in my very mild 302.
Would I take it out or lose sleep?
No.
If I swap it again, will I use HV?
Probably not, but it's not a big deal.
It's not often that these negatives actually rear their heads.
Dave

Cool! What oil do you run ? 10-40w?

dave 1970 · Feb 3, 2007

oil pump reply

hello ,right now i am running casteroil syntec 10w-30 i also relocated the oil filter in the grill with an oil cooler,seems to work fine,the motor im building to put in i also cut out the bottom pan to make room for more oil,going to cut the pan off of a duetz diesel and weld it on the bottom of a stock front sump pan

high flow oil pump

dave 1970

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ForceFed70

That's why they call it "dope"

mustangdave

My rearend needs a stud and two nuts.

ForceFed70

That's why they call it "dope"

ratio411

spirockp

fvike

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68coupe408

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ratio411

dave 1970

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fvike

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dave 1970

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high flow oil pump

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That's why they call it "dope"

My rearend needs a stud and two nuts.

That's why they call it "dope"

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