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Magic Oil?

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Old May 18, 2001 | 09:17 PM
  #1  
Tom91Bird's Avatar
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From: Naples, FL
Car: 1991 Firebird
Engine: 383 stroker
Transmission: T-56
Magic Oil?

I have a 91 Bird with a 305 TBI. I seem to keep losing oil. It doesn't leak a drop and there isn't ever any blue smoke, cold or hot. Any Ideas?
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Old May 18, 2001 | 10:08 PM
  #2  
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82z
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From: Lima Oh
How much are you loosing? About 1 quart consumption every 3000 miles is considered normal. Get someone to watch for blue smoke when you start the car. Maybe you just don't see a puff from the rearview.

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82 z28 350cid, vortec heads, comp 262h cam, Holley 600cfm carb, 2in twice pipes, MSD ignition, turbo 350 trans, 3.73 posi, manly b&m megashifter
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Old May 19, 2001 | 02:59 AM
  #3  
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From: australia
Car: 1982 t top,,z/28,
Engine: 409ci vortec
Transmission: all steel t700r4,1300 stall yahooooooooooo
NOT USING ANY OF THE SUPER HIGH TECH synth oils are you,,, some are like water,,,and not being mineral based,,they burn clean, no smoke,DIESTER base is a good example,,,its top oil and dont break down ,,but it does dissapear,,,slowly, without any smoke ,,JUST A THOUGHT ,
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Old May 20, 2001 | 09:27 AM
  #4  
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<font face="Verdana, Arial" size="2">Originally posted by 82z:
...About 1 quart consumption every 3000 miles is considered normal....
</font>
Huh? I thought that zero oil consumption was normal. 1 quart may be ACCEPTABLE, but not normal. With Mobil 1 I can't even see the level move on the dipstick in 3,000 miles.

An polyalphaolefin oils really wick past rings and seals more than diesters, but either is a lot more fluid than an "equal" viscosity of mineral oil.

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