they kill me with using such outdated turbo's. and 500ps on 4 850s? i find that very hard to belive. also i think the apex seals got swithched around, as the factory ones are 3 piece and can cause problems. most switch to 2 piece. mazda does make 2 piece seals as well, though i dont know what they came in if anything.
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'93 SSM Touring-S475... 
'87 Tii-LS1/T56
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