Zlovemachine Posted April 17, 2006 Share Posted April 17, 2006 Has anyone use 3" intercooler piping before and was their any bad effects of using such a large diameter pipe for a stock turbo intercooled setup. Intercooler has 3" inlet and outlet. Quote Link to comment Share on other sites More sharing options...
Guest ON3GO Posted April 17, 2006 Share Posted April 17, 2006 if your fmic has 3in inlet/outlets then just run 3in to 2 1/2in reducer couplers. thats what i do and alot of ppl do. 3in is overkill for a stock turbo setup. mike Quote Link to comment Share on other sites More sharing options...
Zlovemachine Posted April 17, 2006 Author Share Posted April 17, 2006 The problem is that I have already bought this size tubing over internet and do not really want to go through the hassle of pay for shipping asking if I can exchange and buying more coupler to fit on setup. I can exchange the other coupler I have already bought to fit this 3†setup. I didn’t realize how big 3†tubing really was till I open box:shock: . Well my setup is not really a stock setup. It has a T3/T4 turbo with flat top pistons make it high compress in 8.6.1 region. This is the whole reason for the intercooler. I just made a bad decision to go with 3†tubing. So the question remains will I lose power with this setup? And How much power loss am I looking? Would it really be worth pay all this extra money and time to reduce the tubing size? Quote Link to comment Share on other sites More sharing options...
Z-Gad Posted April 17, 2006 Share Posted April 17, 2006 You won't really lose power, but you will probably gain a little lag between shifts. Quote Link to comment Share on other sites More sharing options...
Guest 73Turbo240z Posted April 17, 2006 Share Posted April 17, 2006 Doing 2.5" in my setup was a big enough hassle, 3" i could see being much much worse to fab, i know with some good tight radius bends you'd be alright, but still would be a very very tight fit. Quote Link to comment Share on other sites More sharing options...
Clifton Posted April 18, 2006 Share Posted April 18, 2006 I went 2.5"/2.75" while my friend went 3"/3". We both have the same the same 3" in/out intercooler and engine. On a second or third gear roll we both come on boost so close to the same time you can't tell the difference. On a stock turbo it is over kill but if you have the tubing you may as well use it. The turbo size really doesn't mean as much as how much air you are moving through it. Your set up (T3/4) at 20 psi would move more air than a T66 at 10 psi. Quote Link to comment Share on other sites More sharing options...
Zlovemachine Posted April 19, 2006 Author Share Posted April 19, 2006 Thanks this is exactly the info i was looking for thanks. I will go ahead a use this setup and if i have any bad results i will post them!! Quote Link to comment Share on other sites More sharing options...
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