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I say yes, to the windage tray. They help keep the oil in the pan where it belongs. I install one on every engine I build. Some will try to tell you to avoid the high volume oil pump. Go to the Melling site and read what they have to say about high volume pumps. They speak the truth, because they don't make any more money on a high volume pump then a standard volume. Most of what people say against high volume pumps are myths and heresay. The only true disadvantage, is they take SLIGHTLY more power to turn. I've seen the dyno results. We're only talking a horsepower or two. It does help to use a high performance oil pump drive shaft though, if using a high volume pump. Some people use oil that's too thick, and that can twist a standard pump drive like a peice of taffy. Melling includes a stronger then stock pump drive with their high volume pumps, but Summit has drives that are twice as tough, and are very cheap insurance. On my boat engines, I'm running high volume AND high pressure oil pumps, with windage trays. 80 plus psi oil pressure when cold, with 10 W 30 oil. Of course I have 8 qt oil pans, on hot 383 stroked (dare I say it here?) Bowtie engines.`I've run them at 5,500 rpm's, and leave it there for 45 minutes, with no ill effects. Like I said. The windage tray keeps the oil in the pan.
Thanks for the good info steve. I just wanted to hear it from someone who has installed them. i just didnt want to go on what the manufacturer says.
So if i dont drive the car too long the stock pump should be good, but getting a hardened driveshaft would be a good idea. Does a high volume pump deliver more oil to everything quicker?
A high volume pump is taller then a standard pump. It has the ability to flow more oil. This is especially helpfull at high RPM's. Did you check out the Melling website? They explain it better then I could. My machinist is who got me to use high volume pumps on every performance engine I build. One would not be necessary on a stock engine. Obviously, since many stock engines will go 200,000 plus miles with all stock parts. Your engine is pretty mild, so going either way would be up to your preference. By the way, is your Mustang an automatic or standard transmission? I've used that cam and intake combo before, with ported 289 HiPo heads, and a Holley 600 double pumper. It made GREAT power, but lacked a little low end torque. If you have an automatic though, you may want to look into getting a higher stall torque converter then stock. It was a while ago, so I may be wrong, but isn't that a single plane intake?
Last edited by stevef100s; Apr 15, 2004 at 11:37 PM.
Hi
My mustang has an auto tranny, and the offenhouser is a dual plane.
About the stall i have been thinking about putting a higher stall on there. Since the tranny is already out of the car and needs a rebuild i am thinking of just buying a new touque convter, maybe a B&M holeshot converter, something with 2500 or less stall.
Yes i did visit the melling website, it had some good info.
What did you have that combo in? A mustang or something else.
I had it in a 65 Falcon Ranchero, with a BW T10 4 speed. With 3.25 gears, it was a good combo, but not blindingly quick. I swapped in a 4.11 posi, and that thing would just about lift the front end. If I had slicks and subframe connectors, it might have been able to. I got tired of the engine revving so high all the time, so I put the 3.25's back in. If I revved it a little and dumped the clutch, it got past that minor torque prob. That's why I mentioned a loose converter.
I like the high volume pumps, but not the high pressure. A high pressure pump on a cold winter morning will peg the oil gauge at max pressure. I don't need to be popping out the pressed in oil galley plugs first thing in the morning.
Smokey Yunick and David Vizard both suggest the high pressure pump is only for a loosely assembled race engine, not for street use.
Steve
Sounds like you had a good car/truck. I have a set of 3.oos in mine in an 8 inch rear. When i get some more money i was going to put in some 3.80s in there and convert to a nine inch.
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