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I have a 1JZGTE VVTi motor in an IS300 so i have an IS300 box. I'm converting the throttle body to the 1JZGTE non-VVTi throttle body that shares the same 4wire TPS that 1JZ/2JZ's have. so now i need to figure out how to wire up the TPS so it works as it should and still give the proper signal to...

sounds like too much trouble. opportunities like this aren't that rare. the headaches will kill you

HKS Fcon VPro also handles DBW i believe

"making power" is relative.... although the rate at which power is made decreases or becomes negative, while roadracing/autox sometimes having the extra couple hundred RPM's can mean the difference between having to shift and just hanging in there. you have to take a look at the power at say...

vtec controller will not work. VTEC is an on/off switch where as the VVTi system is more complex and the ECU sends differing voltages to adjust the VVTi cam.

if you have a boost gauge, just check how much vacuum you are registering at idle. that will tell you what springrate to get. Once you figure out your idle vacuum, use this sheet to figure out which spring you need. http://www.tialmedia.com/documents/w3_tial_bov50_sp.pdf

holy crap! Yoda: Missing your traction is

i think the 35r with 0.82 was a recommendation for a 2.5L (1J) application

i'm a little confused with that as well. looks like IJ has a built 7m using the GT35 turbo. So Clueless I would think he's saying that the GT35r with a 1.06 AR will spool just fine for a 7m.

yes, however it looks like based on IJ that a 1.06 on a GT35 will start making boost at 2k and be up and ready at 3500rpm. damn! IJ, what motor do you have and what mods? that's amazing spool time for a GT35 especially with a 1.06AR

^^^^ That's not a TiAL sound, its compressor surge. TiAL's a great product, however so many people out there have the wrong spring rate in there (probably the stock 12lb one). Depending on how much vaccuum your engine makes at idle you need to lighten the spring. this is what a properly...

x2 for +500hp range you will definitely need the GT3582r 0.82AR. it will be a blast to drive on a 3.0L motor. If you're willing to trade a little lag (4k) for future headroom, then the GT40r series will do you good. or you could go 1jz and put the 3582r 0.68AR in and have a more reliable...

the 2j guys are running 11psi. check your boost gauge and see how much vaccuum you have. then use the spreadsheet to figure out which spring you need. I've seen TiAL's perform awesome as long as you get the proper spring.

for those of you with 1jz, what spring are you running, or do you know how much vaccuum the 1jz pulls at idle?

GT makes a GT3582r 0.63 AR which according to the website is designed for lower displacement motors that need a lot of flow. I just haven't found anyone running this particular turbo to get feeback on response. A lot of feedback on the GT30 says its awesome on response but will run out of air...

the HKS 3037s is equivalent to the GT3076r, same in all spec except the A/R trims. which turbine A/R would you reccomend for our motors? 0.8x or 1.0x

Goal is ~375-400RWHP.... i can move boost up and down accordingly if needed.

I'm pretty set on getting the Garrett GT3076R, however I was wondering what A/R you guys are running on Turbine side. Basically the GT3037r, HKS3037s, and T3 are in the same group. So if you have one of these setups on your 1JZ lets hear what specs you're running. Hopefully this will help...

no problem man, i wish we could get 93 for 3.10. Heck, right now i'd be happy to pay that for 91.

dremel or drill with a cutting bit should shave off the large pieces. then a highgrit bit will make it nice and smooth. i think electrical stores might sell rubber grommets if you want to line the hole