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stagon

By stagon,
in Four Door Family & Wagoneers

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stagon Apprentice

stagon

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on the dyno we were checking fuel ratios and up to was getting towards the lean side. 12.5 i think the reading was. i dont fully understand how it all works but i have told the bloke i dont want to boost it up and have a fast car that lasts a couple of months. my car dosn't feel frinnished at the moment. only feeling the pull of the turbo from 4000rpm onwards. mechanic wants to get it back on the dyno and check fuel rail pressure, timing etc to make sure car is running safe. he was talking about fuel cut defender and other stuff that is going to go on the stag. what is a SAFC and what does it do and how much does it cost because it sounds like i need one?!!??!!

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pixel8r Mentor

pixel8r

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I've got a GT30 turbo on my series 2 stag and have only recently got a 3" full turbo-back exhaust fitted and now the turbo hits full boost around 3000rpm or maybe even less. Really pulls nice and hard with almost no lag. Before I had the exhaust fitted the lag was very noticeable but now its only ever so slight. One reason is that the turbine now spins more free and another reason is that the engine breathes better and therefore builds revs quicker.

I'm getting a safc2 fitted this week. Basically they just sit between your air flow meter and your ecu and modify the voltage that the ecu sees - enabling you to accurately tune your Air/Fuel ratios. Instead of running rich or lean, the SAFC can correct the AFR graph so that you're running much safer and more economical. You will also see improved performance as a result of your car being more efficient.

Hope that helps. It does have limitations but provided your AFR's aren't too way out then you should have great results with it.

Personally I'd get one of these before a fuel cut defender. Probably depends how much boost you're planning to run.

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fcruz3r Experienced

fcruz3r

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this might sound real stupid at this stage...but what is a GT30 turbo? is this a stock turbo...if so..which car? is there an advantage of using the GT30 turbo over hi-flowing the stockie ...in terms of turbu efficiency and $$$

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munchstagea Mentor

munchstagea

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this might sound real stupid at this stage...but what is a GT30 turbo? is this a stock turbo...if so..which car? is there an advantage of using the GT30 turbo over hi-flowing the stockie ...in terms of turbu efficiency and $$$

Have a read through this topic should shed some light as to the possible advantages, disadvantages and what a GT30 is.

Cheers

Luke

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