Re: Mystery modification!
i had 1 of those ram air setups on a cavalier years ago and loved it. plain jane cavi 2.2 5 speed no ac ran valvoline and always put a couple ounces of PF201 in it and would get about 48mpg on the hway. installed the ram air and picked up some more pep at speed and cruising on hway mpg's jumped up to 51-53 mpg. let me know how it works out for you
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72 chevy 3\4 ton 4 speed 4x4
84 1\2 ton 4x4 (gone but not forgotten, thanks for the memories)
1999 suburban 4x4
1982 chevrolet S-10 V-8 (Thanks uncle EARL)
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