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Old 03-13-2006, 11:46 AM
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blown oil

i have a 351sb in 1984 mustangGT and there is a lot blowby and not much power what do yall think

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Old 03-13-2006, 12:13 PM
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I think the Alabama school system sucks.
And I think you need a new engine.
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Old 03-13-2006, 03:17 PM
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I think you need manners.my name is Jon and ive been here for a while and have told my friends about how useful this site is and the knowlege of the people well most.any way i let my little cousin use my login on my pc to ask a question about his problem.then you go and say very childish remarks.so thanks for nothing dude.
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Old 03-13-2006, 04:35 PM
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Quote:
Originally Posted by 75sprintguy
i have a 351sb in 1984 mustangGT and there is a lot blowby and not much power what do yall think
#1. This is not nearly enough info to go on.

#2. Your cousin should get his own screen name.

#3. He still needs a new engine.



Do I hear banjos playing in the background?
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Old 03-13-2006, 05:13 PM
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Doc here,

Check your PCV valve to be sure it isn't stuck. This will suck oil into the induction system and create Blow~By and/or Smoke.

Check the transmission modulator valve, If the diaphragm is ruptured it will suck Transmission Fluid Back into the induction system and make smoke.

Pull the plugs and inspect them, are they Glazed Black? That's oil..Do a Compression test. If lower than between 125 to 150 +/- 10% you may need rings.

Squirt some oil in the cylinders and retest, If the figures rise, then Valves/Guides/Seals are indicated.

Do a Vacuum test, It should read between 17 and 20 In Hg, and steady. If it is low, or the needle rapidly Fluctuates , then valves/guides/seals are indicated.

If all that checks out reasonably good, check the cooling system for gasket leaks into the combustion chamber/induction system. Look at your oil, is it milky colored? Do you have oil in your water? These are good first indicators..

Do those tests, and post the results . We can help you from there.

Doc
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