Question about 1987 Subaru Gl 4WD

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Gas in oil!!

I have a 87 subaru gl 4wd ,carb. wont go over 50 mph its getting no more than 12 mpg and the rest of the gas is ending up in the oil. rings are good, im SURE the hoses/vacuum system is hooked up right, emissions system is right, timing is right, coils / spark good. ive checked and rechecked and rechecked and rechecked EVERYTHING and it all is good, im great with motors and this motor is frying my brain and making me depressed. ive rebuilt that crazy carb 3 times and im sure its ok... it shouldnt have any problem at all, but somehow it has a serious problem. anyone?

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  • chickencow Nov 16, 2008

    This model doesn't have a regulator, the pressure is controlled by the float, which is new, and set at the correct height. compression checks out ok, it reads 125 on all cylinders after 4 cranks. its frustrating. 

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Check the fuel pressure regulator, the diaphrams rupture causing fuel to be sucked into engine / you could have an head gasket that needs to be replaced. do a compression test on all cylinders i think you will find atleast 1 cylinder real low.

Posted on Nov 16, 2008

  • darin brown Nov 16, 2008

    sorry to be bearer of bad news but head gasket time.

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