Northstar powered car vs Bonneville GXP

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Cadillac or competing brand model ? Why ? Discussion, Northstar powered car vs Bonneville GXP in Item Specific Cadillac Discussion; Hi, I dont know if this is the right section to post this since its not specific to a model. ...
  1. #1
    bob k is offline Cadillac Owners Member
    Automobile(s): 97 Seville SLS
    Join Date
    Jul 2004
    NW Chicago Suburbs

    Northstar powered car vs Bonneville GXP

    Hi, I dont know if this is the right section to post this since its not specific to a model. My question is, what are the differences between a Bonneville GXP and say a Northstar powered Seville of the same vintage? Does the GXP have better/higher flow exhuast than its Cadillac counterpart? Thank you for the info.

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  3. #2
    Highline Cady's Avatar
    Highline Cady is offline Cadillac Owners Fanatic
    Automobile(s): Nitrous03DHS,AJtune,Corsa,Volant,3.71s,Grille,tinted,stall'd
    Join Date
    May 2007

    Re: Northstar powered car vs Bonneville GXP

    I think that the GXP does get better flowing exhaust, but I believe it also gets the 3.71 gear ratio with the 275 hp engine. 3.11's went with the 275 hp engine and 3.71's went with the 300 hp engines in Cadies.

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