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Originally Posted by 2high2aim
hey Iwas just wondering how much hp would the GT2871r get at 9psi and how much PSI would it take to get to 400hp??? and if it cant what would you suggest upgrading the turbo to???
Currently I am trying to get all the information I can get. So anything would help. Also the gt2871r comes in two common sizes the A/R .64 and .86, does the .86 really make more noticeable spool-up lag and how much more hp will the .86 get compared to the .64?
Also what is the difference between the Garrett GT25/40R and the GT2871r hp and spool up wise?
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What is the stock new pistons good for or should I upgrade to aftermarket forged pistons.
What is necessary to get 400???
Look this car will be a daily driver but it will be on a lot of track and drift events, and a few drag events.
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TUNING!!!, gets the horse power, bolt ons shmolt ons. a motor with a good air fuel balance and air flow balance will produce power. think of it as getting the most efficiency out of the part you buy. for example thers no point in buying a big turbo if your running a small as intercooler or intercooler pipe. if you have a good setup youll get to 400 easy.