Question about Supertech ring gaps and PW clearance
I am rebuilding my 99 1.8. Planning on pump gas 93 octane, 300-350 HP.
The Supertech default specs for pistons are below Bore: 83.50mm Over Size: +0.5mm Comp Ratio: 8.6:1 Volume CCs: -4 Head CCs: 50 Comp Height: 1.201"(30.5mm) Stroke: 3.346" Rod Length: 5.228" Pin Diam: 20mm(.787") Weight: 293grs RINGS Top : 1.00 mm 2nd : 1.20 mm Oil : 2.75 mm PW clearance: 0.07 mm. Can others running Supertech chime in these values are ok if there are better values that have been "battle tested". Thanks |
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