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Ok, a stock 2,2T has 84mm cylinders. Unless the cylinders were bored out to 85mm, 85mm is the wrong ring. Measure the cylinders with a bore gauge and determine the right size rings, then install those with the factory-recommended ring gap.
Ring gap is customarily measured by placing the ring in the bottom of the cylinder, leveling it out (a piston can be used for this) and placing a feeler gauge in the gap.
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'66 911 #304065 Irischgruen
‘96 993 Carrera 2 Polarsilber
'81 R65
Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13)
Ex-'88 Carrera (Sold 3/29/02)
Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04)
Ex-'89 944 Turbo S (Sold 8/21/20)
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