Dude, from what I know about engines, it sounds like yer rings are shot! <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/sad.gif" border="0" valign="absmiddle" alt='

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Just where is the gas leaking from?
When ya say that yer crankcase is full of gas, do ya mean the bottom end (where the crank and rods are) or the top end (like inside the piston chamber)?
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'91 240sx SE Fastback (sold to a kid who wrecked it)
'93 Chevy Silverado
'03 Chevy Cavalier
'05 Chevy Tahoe
If it ain't broke... don't fix it, just tweek on it and make it faster!