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Author
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Topic: Do i really need oil restrictors?
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Allstock&500hp
Journeyman Posts: 10
From: miami
Registered: Sep 2002
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posted 09-28-2002 01:33 AM
   
i have a 357 cleveland and a mild street soild cam. but they say that the oil system is kind of goofy, and that i should run oil restrictors with a solid. do i really need to go through the hassle of tearing my motor apart to put them on? thanks.chris
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kid vishus
Gearhead Posts: 4736
From: middle of NC
Registered: Oct 2000
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posted 09-28-2002 09:20 AM
It should have been done when the motor was built the first time. I'm assuming if it has anywhere around 500 hp it is no-where near stock. My good race motor only makes around 580. And it is a good motor.If you have a good deep sump pan, and a standard pressure oil pump, it should be ok, so long as you dont turn it 7000 rpm. By the way, Welcome to M&M 
------------------
Rob Hetzler
member #773
'69 mustang, 351C, 9.97 @ 133 mph 1/4, 6.27 @ 108 1/8, 1.344 60'
'70 mustang, flintstone power
'93 F150 Lightning 15.33 @ 87 mph, completely stock with 159k miles
'99 Pro Et track champion
'00 Mod ET R-up (with new car)
'01 5th place Top ET, 7th place Mod ET My Photo Page
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Allstock&500hp
Journeyman Posts: 10
From: miami
Registered: Sep 2002
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posted 09-28-2002 09:28 PM
well, i built the motor and put a high volume oil pump in it just so i dont have to put restrictors. and it will rarely see over 5800. any ideas?
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Allstock&500hp
Journeyman Posts: 10
From: miami
Registered: Sep 2002
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posted 09-28-2002 09:34 PM
hey, the 5 oh guys always say its stock,so what the hell? mine is too.
thanks 66, good to be here.
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kid vishus
Gearhead Posts: 4736
From: middle of NC
Registered: Oct 2000
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posted 09-29-2002 12:13 AM
If it has a stock pan with the high volume pump, and sees any rpm (which is the only way to make power with a cleveland), it will spin a bearing and kick a rod out. If the rpms stay below 6k, it should be ok. If it has 4v heads and stays below 6k, it will never run hard. If it has 2v heads, 500 hp is not an easy task to do and still be streetable.
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jsracingbbf
Gearhead Posts: 1853
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 09-29-2002 12:25 AM
I always ran the restrictors myself, they aren't hard to install. IF you already have it apart. I even had a braided hose from the oil port behind the intake to the one above the oil filter. I don't know if it helped or not, but it was cheap insurance. BTW I used to shift my Cleveland at 7000 RPM/ launch at 47-5000 RPM. ------------------
Jerry Smith
69 Mustang Pro ET Drag
70 Mustang retired former footbrake car
"Drag Racing, the most fun you can have with your clothes on"
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jsracingbbf
Gearhead Posts: 1853
From: Batesville,MS. , U.S.A.
Registered: Mar 2002
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posted 09-29-2002 12:29 AM
BTW Welcome to M&M
Jerry
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Allstock&500hp
Journeyman Posts: 10
From: miami
Registered: Sep 2002
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posted 09-29-2002 01:03 AM
well 4v heads were'nt intentional, they came with the motor, so i guess im going to have to live with no power. i have a 88' notch with longtubes, 710 holley, solid magnum, and c4 and the moroso eliminator pan w/ a high volume oil pump. what do i need to do so i dont throw this motor apart? and it will see over 6000 once in awhile. so what exactly do i need? (dont knoew alot about the oiling system) thanks.chris
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Allstock&500hp
Journeyman Posts: 10
From: miami
Registered: Sep 2002
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posted 09-29-2002 01:07 AM
by the way, all stock and 500 hp is an old saying i used when all the 5.0 guys used nitrous and built motors and still called them "stock".
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Mpcoluv
Gearhead Posts: 975
From: Charlotte NC usa
Registered: Apr 2001
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posted 09-29-2002 09:35 AM
Run an extra quart in the pan and stay under 7K rpm and you should be OK.
A large volume pan would be better....
The high volume pump will pump a ton of oil to the top end.
If you ever have the engine apart, install the restrictors.
Hey guys is the 100PSI spring on the standard pump better/worse than the high volume pump?
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kid vishus
Gearhead Posts: 4736
From: middle of NC
Registered: Oct 2000
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posted 09-29-2002 10:36 AM
I have the spring in my hi volume pump. But my clearances are a little looser than most folks build them, and I run fairly light synthetic oil (5w-20).The 4v heads make their best power above 6k rpm. That's just their nature since they have big valves, huge ports, and that causes the port velocity to be slow at lower rpms. I shift mine at 7500, and launch it around 4500 rpm (my convertor is loose, it will stall around 6200 rpm). As a general rule, most of the 5.0 guys I have encountered on the street are "full of sh*t", to say the least. They all have 500 hp 10 second cars that for some reason can never even get into the 13's when they take them to the track. 
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Allstock&500hp
Journeyman Posts: 10
From: miami
Registered: Sep 2002
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posted 09-29-2002 10:05 PM
so i should be ok for the oiling part right?its already a 7 quart, you mean you want me to put an extra quart in? (8 quarts). yeah kid, their excuse is "oh, if i had my slicks right now, i would take you"...their fault for running 500 (yeah right) horses on pep boys tires. either you bring it, balls to the wall, or you lose and take it, no excuses. i like my mustang because it has all the 5.0 badges and stock hood ( yeah i got the torker, 810 holley, and an air cleaner to fit under a stock hood!) the only thing i cant hide is the 4" exhaust hanging down from under the car. hehe.
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Mpcoluv
Gearhead Posts: 975
From: Charlotte NC usa
Registered: Apr 2001
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posted 10-01-2002 06:16 PM
quote:
Originally posted by Allstock&500hp:
so i should be ok for the oiling part right?its already a 7 quart, you mean you want me to put an extra quart in? (8 quarts). yeah kid, their excuse is "oh, if i had my slicks right now, i would take you"...their fault for running 500 (yeah right) horses on pep boys tires. either you bring it, balls to the wall, or you lose and take it, no excuses. i like my mustang because it has all the 5.0 badges and stock hood ( yeah i got the torker, 810 holley, and an air cleaner to fit under a stock hood!) the only thing i cant hide is the 4" exhaust hanging down from under the car. hehe.
I ment run an extra quart if you have a stock pan.
You should be fine with the 7 quart pan. Just take a fairly long duration high rpm run and see if the pressure drops.
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