warrenp Posted February 4, 2003 Share Posted February 4, 2003 i think i may have a chance comming up to buy a IC off of 86 GRAND NATIONAL off of friend. can any one here give me some imput on these? how much psi can they handle? and are they really any better than my ford t-bird IC? they look a little bit bigger but not by much. Quote Link to comment Share on other sites More sharing options...
fl327 Posted February 4, 2003 Share Posted February 4, 2003 shoot outflow the tbird by much much more, grand nationals boost 12psi stock, and its been known you can run a little more than that to get the party started right, its a good setup, just kinda ugly to me. Quote Link to comment Share on other sites More sharing options...
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