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Whats a good oil pump for 600 H.p. #23312
02/04/06 10:49 AM
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5116brl Offline OP
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What is the best punp for a 600 hp street strip 446 ? is anyone running a milodon adjustable?

Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23313
02/04/06 11:01 AM
02/04/06 11:01 AM

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I'm running a stock-type hi-capacity. No problems with it. Guessing the hemi makes about 675hp.

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Re: Whats a good oil pump for 600 H.p. #23314
02/04/06 11:11 AM
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Don't know what the "best" pump is, but the melling hv pumps seem to work well. We've made well over 600 with them.


'72 Scamp, 3500#, 440, S400, blowthrough, meth. inj. 9.78 @ 139 so far at 12 psi, 11.00 @ 131 on real street tires.
Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23315
02/04/06 12:14 PM
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Using a speed pro high volume and matched the pump opening to the block passage. My biggest problem is lowering the pressure as I have too much.

Re: Whats a good oil pump for 600 H.p. [Re: torkrules] #23316
02/04/06 12:30 PM
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Quote:

Using a speed pro high volume and matched the pump opening to the block passage. My biggest problem is lowering the pressure as I have too much.




What viscosity oil are you running?
I had the same problem with my Demon's 440 and ended up taking out the 20/50 and throwing 10/30 in it, it would then idle at 45 psi.


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Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23317
02/04/06 02:18 PM
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Melling HV, and If you have room, add a milodon single line

Re: Whats a good oil pump for 600 H.p. [Re: B1duster] #23318
02/04/06 02:25 PM
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abodyman Offline
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does too much pressure use any extra horsepower? I have about 90 psi at a hot idle.
why not have high pressure with hi volume?

Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23319
02/04/06 02:49 PM
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i run a Milodon pump on mine w/ a single ext. static p/u.

for reducing pressure on the Melling HV pump, i add an extra washer behind the plug the holds the spring in. that'll drop it down some. CHIP


CHIP
'70 hemicuda street car...8.91 at 150.5 mph w/ 4.10s, 8.97 at 152.5 mph w/ 3.54s so far
'69 road runner 440 w/ Indy SRs
'69 road runner 440-6, 4 speed...Dad's ride
'71 Demon 340 resto project
'06 GMC 2500HD LBZ Duramax...toy hauler
'16 Grand Caravan SXT...baby hauler
Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23320
02/04/06 04:15 PM
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You don't need anything fancy for that if you keep the rpm below 7000. Both Melling and SpeedPro pumps are just fine. I ran my race car last year with a standard volume Melling pump, with a little port work. I shift at 6900 and cross the the finish line at 7000. 1/2" internal pickup, deep sump oil pan, Milodon windage tray. I adjust my spring for 75 psi going down the track (3000+ rpm).


1993 Daytona, 1973 Cuda 440, 2009 Challenger 5.7 Hemi, 2015 RAM 1500 5.7 Hemi 8-speed auto
Re: Whats a good oil pump for 600 H.p. [Re: 440Jim] #23321
02/04/06 05:42 PM
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Is the 1/2 pickup realy that important? Since the passages inside the block after it threads in are not drilled that big the rest of the way to the pump does it make much diff.? thanks

Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23322
02/04/06 06:00 PM
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what do you all consider good pressure or too little pressure? I have an iron headed 440 that idles at about 25 psi when hot but jumps to 65 after almost any throttle.

Re: Whats a good oil pump for 600 H.p. [Re: Baxter61] #23323
02/04/06 06:42 PM
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thats pretty good,if your rpm are 6500 or less

the guy that said he had 90psi at hot idle has somthing not rite


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Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23324
02/04/06 07:08 PM
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Quote:

Is the 1/2 pickup realy that important?



In my opinion, no. Also, I've been using stock (not high volume) pumps for years with all of my engines. Engine are 850+ HP B-1's running at 7600+ rpm.

Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23325
02/05/06 01:18 AM
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I'm running a stock type high volume pump on my 528 Hemi. No problems here.

Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23326
02/05/06 01:36 AM
02/05/06 01:36 AM
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torkrules Offline
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Quote:

What is the best punp for a 600 hp street strip 446 ? is anyone running a milodon adjustable?




I'm running SAE30, and using the Milodon adjustable bypass. I have the thing turned our pretty far and I still have 85psi at 6000rpm and 30 at idle hot. I also have full groove bearings and no restrictors.

Re: Whats a good oil pump for 600 H.p. [Re: B1Ken] #23327
02/05/06 02:15 AM
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Ken, would you mind giving us your oiling system setup sometime? I think I recall that you're running the stock pump with 3/8 pickup but have full grooved mains and a high pressure spring? Unbushed lifters if I recall but blocked off left gallery? 30 weight? I'm still trying to figure out why I spun the rod bearing in my 383 stroker.

Re: Whats a good oil pump for 600 H.p. [Re: 5116brl] #23328
02/05/06 09:56 AM
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Quote:

Is the 1/2 pickup realy that important? Since the passages inside the block after it threads in are not drilled that big the rest of the way to the pump does it make much diff.? thanks


Part of doing the 1/2 NPT pickup mod is to drill that passage to 5/8", which is the ID of 1/2 pipe. How important is it? Well, that depends if you need it or not! Nothing is cut and dry.

Re: Whats a good oil pump for 600 H.p. #23329
02/05/06 10:23 AM
02/05/06 10:23 AM

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Quote:

I'm running a stock-type hi-capacity. No problems with it. Guessing the hemi makes about 675hp.




Me too.....

Re: Whats a good oil pump for 600 H.p. [Re: AndyF] #23330
02/05/06 10:25 AM
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B1Ken Offline
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Quote:

Ken, would you mind giving us your oiling system setup sometime? I think I recall that you're running the stock pump with 3/8 pickup but have full grooved mains and a high pressure spring? Unbushed lifters if I recall but blocked off left gallery? 30 weight? I'm still trying to figure out why I spun the rod bearing in my 383 stroker.



Andy- I run a full length dragster pan in the T-Bird because of low ground clearance with a single line swinging pick-up. In the Barracuda, where I have more room, I have used a Moroso pan with a fixed pick-up. The pump is always a stock (NAPA) with a standard pressure spring. I use 1/2 groove mains with all of my 511's. The lifter bores are never bushed and I don't restrict any oil galleys. In other words I run as close to a stock oiling system as you can get. I had a 499 toss a rod after only 4 runs a year ago which still puzzles me. That one appeared to have spun a rod bearing early on (#3). #6 was also on its way out but the rest of them looked fine. There was an issue with the Moroso pan & pick-up though. I had made one run with that pan on my T-Bird and it hit the ground hard past the finish line. It's possible that there was insufficient clearance between the pick-up and the bottom of the pan which had been caved in a bit. To make matters worse (REALLY DUMB!) I only had an oil pressure gauge under the hood. My son suggested that the engine should be making more power (only 146 mph in Super Street) but I just shrugged it off. For what its worth that engine had full groove mains because that's what I had laying around when I built it. I have been running all of my 511's (2.750 mains) with 1/2 groove bearings and stock oil pumps and the bearings look real good. The mains look MUCH better with the 1/2 groove then they ever did with the full groove type. I generally run 10-40 oil in cool weather and 20-50 in the summer. Oil pressure is typically 40-50 psi, hot, in gear, at idle.
P.S. With the 440, which had preceded the B-1's in the Cuda, I used a stock pan, pump & pick-up.
Here's the pan (at the track).


& the 440 (same day).



Last edited by B1Ken; 02/05/06 10:32 AM.
Re: Whats a good oil pump for 600 H.p. [Re: B1Ken] #23331
02/05/06 10:47 AM
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I, too, believe that rpm is the factor one should use, rather than hp.

We run a Hemi in Nostalgia SS, and use an out of the box Milodon 7qt pan, modified Mopar windage tray, and the Milodon 1/2 internal pickup, stock replacement bolt ons.

We run the motor to 6500, and it stripes about 6700 with a TRW high volume pump. The motor is clearanced loose, that is the way I like 'em, and we use Valvoline 50W in the heat of the summer. It holds about 65lbs through the pass, and we have never had a lick of bearing problems.

Last edited by Steve1118; 02/05/06 11:00 AM.

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