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Old 12-16-2009, 07:11 AM   #4 (permalink)
lunarhighway
Master EcoModder
 
Join Date: Feb 2008
Location: belgium
Posts: 663

vectra a - '95 Opel Vectra GLS
90 day: 37.51 mpg (US)
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blocking the radiator should be find, but restricting engine intake does not seem like a good idea. based on my own experience, it may even counter the effect of the grillblock. but every car's different
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