I would guess that a main bearing cap girdle could be taken off a salvage SR20DE motor and installed for those "built" motors running nitrous, turbo, or high compression motors. It wouldn't hurt anything to add a little security in keeping things where they are supposed to be.
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Waiting for PR CAI, got the Stromung, got the Unorthodox, got a big fat empty "0" in my bank...
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Waiting for PR CAI, got the Stromung, got the Unorthodox, got a big fat empty "0" in my bank...