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Date: Tue, 17 Jun 2003 17:12:30 GMT
From: Paul Halliday <>
Subject: Wastegate Actuators (WAS Re: My base boost probs: Thanks Paul H, Grunff and KeithG)

in article bcmknp$rju$, **_** at wrote on 17/06/2003 09:50: > > "Paul Halliday" <> wrote in message > >> in article, MeatballTurbo at >> wrote on 16/06/2003 19:28: >> >>> Tonight, wrestled below the Dash, and through the speaker hole. >>> >>> Removed the two two hoses from the over boost fuel cutoff. >>> >>> Joined them directly. Left the electrical wiring on the cutoff for now. >>> >>> Started the engine, no hiss. >>> >>> Took it out for some welly. >>> Was giving 1/4 yellow on the APC gauge, now giving 2/3-3/4 and holding >>> solid. >>> >>> No annoying hiss, and sounds absolutley beautiful when the Bailey recirc >>> dumps back, now I can hear it through the RaceX conefilter. >>> >>> Guess I should really go about getting base boost checked now, and doing >>> a little APC tweaking. >>> >>> Not too much now, with no Overboost. >>> Might see about linking the wiring tomorrow, see if that pushes me a >>> little higher. >>> >>> Whoohoo. >> >> Yay! Good work. An easier job than you feared then. >> It's probably a good idea to get an uprated wastegate actuator. I hear > good >> things about the Trent actuator. >> >> Don't get the FMAC900 from Forge though - it's for the NG900. When I > bought >> one, Forge said it was for all 900s and when I rang back informing them it >> didn't fit, they said they don't make an FMAC900, despite it being on > their >> website. Grrr. Once I'm refunded, I'm getting a Trent actuator and > disabling >> the fuel over-pressure switch, which seems to want to cut in at lower >> pressures than usual on uphill runs. I'm "putting up" with about 8 PSI at >> the moment and want my boost spikes back :) >> >> Paul >> > > Trent Acutator is just standard 0.5bar Garret Unit. Give Burton Power or any > Garrett Dealer a ring and they'll sort you out with one for 50 - 60 quid. > The FMAC900 Forge unit is made for the Mitsi Turbo's AFAIK. Thanks for the tip Matt. I have had some conversations with Redline Motorsport who can supply most things and seem to know their stuff. Were the actuators all the same for the Garrett T3s? I know that not all T3s are the same :) I thought I might as well go for an uprated actuator that can cope with higher boosts, rather than reconditioning my existing actuator. I say I'm not into creating a monster, but who knows? Best have the basics in case :) Paul

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