I am currently in the finishing stage of my 383 build. I ordered the Melling HV pump when I got my rotating assembly, I had planned on going with the Canton pan. I have run into money problems in the build. I am already $1000 over budget. I have read the treads about this before but I never read any hardcore evidence that you can't run a HV pump with a stock pan. Is there and mathematical evidence saying that it can't be done with a stock pump and like half a quart over the fill mark?

If not then where is the cheapest place to get a Canton pan?

Thanks in advance,
Nate

 

Running a stock pan with a hv pump would be a very bad idea. WOT it under load and high speed... after a couple miles you may be wishing you hadn't.


Later
Chuck

 

I've had mine on for about 8,000 miles now with no issues at all
I think the HV problem only comes into consideration with the pan when your turning high RPM's for an extended period of time. I rarely go over 4 grand, and when I do it's for a short period of time (Around 12 seconds )

-Shannon

 

8k or so on mine as well no problem, with several 6800 spins. We put hv pumps in any and every truck/car that needs a rebuild, and never once in any car have we had or even heard of this problem. Just dont run low on oil, I overfill about 1qt and use big oil filter.

 

I think Shannon is proof that it can be done. This discussion seems like it would be more suited in LT1 though, so i will move it there now. Thanks.

 

See that's the problem rice, everybody has different experiences. I've yet to see one person come up and say whether you should or shouldn't with hard evidence. Now getting a HV pump and your bearings failing doesn't mean it's a direct result of the pan drying up, maybe it's bad balancing? Or, maybe it's dirt in the engine? I'm not flamin' anybody here, but the OP is looking for factual answers, not opinions. So saying that you rarely go over 4k with HV pump, doesn't really work hear. I've been wondering about this same question for awhile now, and I everytime I see the question answered, it's either "mine works flawlessly" or "don't do it you'll kill your motor!!!". This kinda throws people off a little bit, espesically when they really want to know, is it yes, or no?

 

Simple, if it's a daily driver that your not turning high RPM with all the time, your fine. If your auto crossing and turing it tight around the track for laps and laps, get another oil pan
Each part has it's own specific application no matter what it is

-Shannon

 

I'm gonna run mine with a stock pan. Not once have I heard anyone prove that running a high volume oil pump caused THEIR own personal engine to blow. It's always, "someone told me not to" or "I think it might blow up". Which is exactly why I'm going to run my melling oil pump. If it blows up because of that I'll let you guys know. Hell if it works ok, I'll let you know that too

John

 

Fair enough.

 

your answeres beg the question-

is a high volume pump needed?

 

i agree. if your not turning over 6800 and are running street tolerances on your bearings, your wasting power by running a hv oil pump. put a stocker melling back in there with a z28 bypass spring and pick up 3-5hp.
now, here's my recent experience with a hv pump with stock pan... i bought a motor with this setup. it has roughly 1k miles on it, was raced a good many times, and all the bearings were looking pretty rough. now im not saying the pan was sucked dry, but there was alot of copper showing on all the rods and mains. motor was balanced and shifted around 6500.
jeremy