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  1. K

    160/100 vs 205/30 Injector Testing

    Sorry... no spoilers as of yet. We will start posting up dynos/pics/track numbers october/november. We don't have anything concrete yet. Still testing.
  2. K

    205/30 T4 s369 vs s364.5

    IMO the debate would be weather bigger nozzles really spool turbos faster... because body size has NOTHING to do with spool up. Body size is simply the maximum amount of fuel you will dump at WOT on a max effort tune. In our testing so far... smaller nozzles tend to spool the turbos a little...
  3. K

    160/100 vs 205/30 Injector Testing

    Sorry for the confusion. If you are referring the the "kc38r" vs "kc300x" The only difference now is the ball bearing vs journal bearing Both now come with all the other upgrades. The shafts are difference because of the ball bearing vs journal bearing... but other than that they are the same.
  4. K

    160/100 vs 205/30 Injector Testing

    Honestly... we don't push the BB turbos as hard as we used to. With the 20 year old garret turbine design all drop in units used spooled like crap down... which the ball bearing turbos really helped to overcome. Now with these new turbine wheel and compressor wheel designs... we don't hardly...
  5. K

    205/30 T4 s369 vs s364.5

    Here in Az we can go from 600ft to 7500ft in about 2 hours. So we have a great deal of hills and elevation here. At sea level you don't notice the lag as much... but as you know, turbo lag is greatly exaggerated the more you go up in elevation. 250/100 and s369 is an awesome street setup at...
  6. K

    160/100 vs 205/30 Injector Testing

    Not sure how often you spend time on the dyno... but I do it for a living and have traveled all over the country using different dynos. You cannot hold a vehicle simulating a heavy trailer for minutes at a time with the amount of hp/tq we are working with. Not possible. Not saying you can...
  7. K

    160/100 vs 205/30 Injector Testing

    ^^^WHS nozzles/PW/timing is all a balancing act of moving your efficiencies. The smaller nozzles will have the advantage down low when you have plenty of time to inject the fuel. Bigger nozzles will have the advantage up in the rpms as the injection window gets smaller. It is always give and...
  8. K

    160/100 vs 205/30 Injector Testing

    Unfortunately that is not a realistic expectation. EGTs on the dyno are typically not even close to the street. Kinda like testing how much boost your truck makes by revving it in park? The dyno run will last 3-7seconds depending on the load. It is hard to gets egts up very high during a run...
  9. K

    160/100 vs 205/30 Injector Testing

    First off... I don't want this to turn into a t4 vs drop in pissing contest (which is what always seems to happen). But I will say that our drop in turbos have changed DRAMATICALLY over the last few years and improved greatly. I will also say that I can't tell you how many hours I spend each...
  10. K

    160/100 vs 205/30 Injector Testing

    Non-vgt on a 6.0 is a completely different story. s364.5 on a 7.3 spools great and is a 450-500hp turbo that tows great s364.5 on a 6.0 is a dog and is a 550-600hp turbo that you have to work to keep up your rpms to tow No replacement for displacement when it comes to spooling turbos I much...
  11. K

    160/100 vs 205/30 Injector Testing

    No way... we tested the basb vs the s364.5 and the s364.5 did better in every way. I would not expect anything better out of the basb no matter what housing it had. With that said egts are very manageable with the 238/80s and s364.5. It just runs hotter than the 205/30s. Both still tow well...
  12. K

    160/100 vs 205/30 Injector Testing

    Yes, he is running 238/80 and s364.5 as of now.
  13. K

    205/30 T4 s369 vs s364.5

    Gotcha, that makes sense. I thought you were recommending 200% nozzles for heavy towing. You would be surprised how many people call in with 238/200 or 250/200s having egt and smoke issues. But I read online that bigger nozzles are better in every way.
  14. K

    205/30 T4 s369 vs s364.5

    Thanks, it is a lot of fun and helps us provide better info to our customer. Much of this is stuff we have learned over the years from selling 1000s of turbo/injectors combos and seeing what works. But people really like to see the data. I saw you mention 200% nozzles. I don't exactly know...
  15. K

    205/30 T4 s369 vs s364.5

    We are doing lots of testing back to back. As long as we keep the same mods it should not affect anything because they will both get the same advantages. We have 238/80s on the truck now. Going to do the same tests but with a 366 this time. We are working with some of the best tuners in the...
  16. K

    160/100 vs 205/30 Injector Testing

    Agreed. Live tuning and adjusting timing is crucial. But I have yet to see where a bigger nozzles spool turbos faster. You can apply live tuning and timing to smaller nozzles also. We have been spending plenty of timing tuning with the best tuners out there. We shall see though... we will...
  17. K

    160/100 vs 205/30 Injector Testing

    There is more than one difference between the stock SD .84ar and the Van 1.15. The turbine wheels are also different. You very well could have fixed a bad turbo, boost leak, exhaust leak, etc... You gate could have been loose and blowing open early which was fixed at the same time. Maybe you...
  18. K

    160/100 vs 205/30 Injector Testing

    Exactly... so by adding a 1.0 housing you will drop ebp/boost/egts in the upper rpms and gain lag. So to me, spooling better will trump dropping 50 degrees egts on the top end. But that is me. Racing egts don't matter to me at all. 2000 degrees for 10 seconds won't ever hurt anything. It is...
  19. K

    160/100 vs 205/30 Injector Testing

    Oh, I think the top end is going to make a huge difference with the s369 and 238/80. I thought you meant it would spool closer to the s364.5 My point is I see people recommend the s369 for everything. Stock injectors, 160/stock, 160/30, 160/100, etc... Total waste IMO if you don't plan on...
  20. K

    205/30 T4 s369 vs s364.5

    Started a new thread Well... we have a lot of data to report. I don't want to post up too much and make it a mess. But I don't want to leave anything out. I will display the info in a couple of different ways. 1999 f250 eclb, ceramic coated pistons, ******** cam, irate headers and t4 kit...

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