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iamchappy iamchappy is offline
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Join Date: Feb 2003
Location: Minnetonka, MN
Posts: 1,447
Pat, I have spoken to the maker of the SS box in the past, they used different springs to hold the plate down just for turbo applications, I believe they were nothing more than brake shoe springs but he did say they used ones with different tensions to hold the plate down for boost but still allow it to open for backfires, I used the plumbers plug with my plastic box also, but never had it backfire.
The SS box should also improve the performance off boost as it flows better than the original.

914 6 Turbo twinplug 3.12
87 924S
Lexus SC400
Lexus LS400
Old 01-05-2008, 10:03 AM
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