MAP EF-series Turbochargers results thread
Who built your motor just out of curiosity? For 2 turbos to fail back to back with that many miles on them sounds to me it could be one of 2 things. One would be crap left in the motor that reached the turbo after a fresh rebuild, or 2 you put the turbo on the car, didn't use the correct oil spot and beat the **** out of it for the first 200 miles on a dyno/street. To me it sounds like the second situation being the first one would more then likely cause other issues in the motor. It is funny how both of them failed around the same mileage but yet a stock turbo worked just fine to me that sounds like abuse and lack of oiling causing the turbo to kill itself. Turbos don't just fall apart. Hell even **** turbos off ebay will last longer then that.
Last edited by ODUB; Oct 6, 2014 at 05:25 PM.
Kevin D at Evolution Dynamics. The oiling was all done correctly, and there was nothing in the oil or the motor. The oil lines, filters cut in half, and pan were all pulled and they were all clean as a whistle. They were also sent to MAP. I know for a fact it wasn't beat on because I was present for the first turbo falling apart. It fell apart on me 250 miles into my 460 mile trip home. I was cruising along at the speed limit because I was still tentative about it all being brand new, and it just gave out. MAP originally thought it was compressor surge, but said I didn't need the anti-surge cover when I bought it. They sent the second turbo with the cover. After the second one failed, the oil pan, filters cut in half, and lines were pulled again, all clean as a whistle. Also sent to MAP. Pictures of all oiling locations as well. Stock turbo was installed, and has been running fine for over 300 miles. Just to check, the oil pan, filters cut in half, and lines were pulled again and still spotless. If it were an issue with the motor, there would be debris in the oil, and the stock turbo would be shot too. Sounds like I just hit the lottery and got two bad turbos.
Yeah it sounds like maybe just some bad luck then. If the filters were clean and nothing was passing through the motor then yeah I guess unfortunately that's what it sounds like. I mean I have a beta turbo and it still runs flawless from the first batch of turbos. Idk what else to say but that sucks and I am sure Chris and the crew over there will take care of you. I mean I had some issues with my old sst turbo from them and it took a short time but in the end I was happy with what they did for me. I am sure they will help you out in the same matter.
Kevin D at Evolution Dynamics. The oiling was all done correctly, and there was nothing in the oil or the motor. The oil lines, filters cut in half, and pan were all pulled and they were all clean as a whistle. They were also sent to MAP. I know for a fact it wasn't beat on because I was present for the first turbo falling apart. It fell apart on me 250 miles into my 460 mile trip home. I was cruising along at the speed limit because I was still tentative about it all being brand new, and it just gave out. MAP originally thought it was compressor surge, but said I didn't need the anti-surge cover when I bought it. They sent the second turbo with the cover. After the second one failed, the oil pan, filters cut in half, and lines were pulled again, all clean as a whistle. Also sent to MAP. Pictures of all oiling locations as well. Stock turbo was installed, and has been running fine for over 300 miles. Just to check, the oil pan, filters cut in half, and lines were pulled again and still spotless. If it were an issue with the motor, there would be debris in the oil, and the stock turbo would be shot too. Sounds like I just hit the lottery and got two bad turbos.
Agreed completely.. but these hks cams were really cheap
I have a set of MAP beehives if I did decide to go a little bigger cam wise... hoping I can stretch the powerband to 7500 with a decent sized turbo... if so these should be enough.
I have some small Greddy EasyCam 264s. I REALLY like the spool and mid-range for the type of driving I do. I guess it depends on your goals.
Nice setup you have. Curious what your powerband looks like with the ef4/r2's since I have a 4g64 setup as well ... even though my cams/turbo will be a little smaller... where does yours make peak HP, how far can you rev it before the power drops off noticeably?
I will use my ef4 with my 2.4 once it is done but I am upgrading to s3 cams. I believe the r2 cams wont give me where I really wanna be, being I will be upgrading my intake as well and my throttle body. I mean I am not doing a long rod motor cause personally I don't see the advantage of it and I see a ton more stress on the crank because of the extra reving. I think the s3 will give me the same feel as the s2 I have now in my car.