Originally posted by rookie81
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Looking for Polo gti owner with GIAC chip
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Hi, that seems very low unless you had heat soak. I got mine dynoed last year with just a GIAC tune and was consistantly getting a between 119-122ATW over a few runs. It could be worth trying another dyno to see if the one you used was out. If not you might have a boost leak.
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Best way to test the surging is jump on a highway with a boost gauge, chuck the car in 4th and let the car settle down to ~2000rpm in that gear. Then go full throttle up to 4,000rpm and you should see max boost be reached (typically 18-21psi for most tunes) and then see the boost drop to ~15psi, then back up and so on. If you don't have a gauge you can feel the drop in power as the boost drops, then feel the power come back slightly as it rises again.Originally posted by bn1986 View PostHow many km's do u have on ur car? mine is 06, 26000km and i havent yet noticed any surging (appart from the turbo spooling up
)Previous Rides: Polo GTI, Mx5 10AE, MY05 WRX WRP10, Renault Sport Clio 172
Current Ride: Evo 8 MR, Fabia MK3
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