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  1. Thomas800

    GT2860RS to GT2871R upgrade question

    Thanks for the replies guys. Do either of you have a feel for which trim you would go with on the compressor wheel? Which map were you looking at Twin Turbo? The 48 trim or the 56. I haven't found a map for the 52 yet. The reason for going with the 2871 is to "try" to get up to about 30 #, but...
  2. Thomas800

    GT2860RS to GT2871R upgrade question

    I am looking into updating from our GT2860RS to a GT2871R. I see that ATP offers an upgrade kit for $995. A brand new GT2871R is $1195. Does anyone on here know if we can just have our GT2860RS freshened with the 71mm compressor wheel and a new compressor housing? If we have to buy the upgrade...
  3. Thomas800

    Turbo grind camshafts

    I was hopeing to see someone come back with some comments on special turbo grinds as well. It seems that they make them for other bike based engines.The only turbo drag bike guys I've met used custom "turbo grind" cams but did'nt know any specs, or if they made any difference from naturally...
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