i got the same deal. mines a 98 also with 223000 its got some issues but nothing i cant handle. and its probably the lowere intake gasket. i replaced mine also but mine didnt leak but it had alot of miles on so i did. it ended up that they were shot and it was just a matter of time before they would start to leak. also check the coupler in the supercharger if it has slop id change that to.
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