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great day, i was dissapointed, and will shove new fuel pump in this week sometime. so many cars... so many numbers. the guy with the ss was funny, we all thought he was a bit off with his projected figure, he said he would be appy with 220, despite only making 250 at the flywheel or so from factory, and he got 240 or so and shut us all up lol. good on him.

nice to meet a few more people too.

and the sausage sizzle! awesome. i think i had about 5 blew all my cash on food.

cyaz

Hey Jeff that guy is my brother in-law! he wanted to beat me but i didn't end up going. He was over the moon with his result, but still can't catch me!lol

  • 2 weeks later...
  • 2 years later...

After 2 1/2 years of my GTR sitting in the shed with a craked piston while i got married, had a son and brought a house,i finaly got the time and money to pull it out and rebuild it at which time i had a closer look at the turbos and they appear to be stock, i checked the part numbers by googleing them which gave me a page on sau which had the part numbers listed as stock and after a chat with John from unique autosports he suggested they might have steel wheels and should put a magnet on them if it stick they are steel if not then they are stock, when i did that the magnet did not stick to the wheel but it did stick to the housing though the soot, which i would have to asume they are genuinely stock turbos doing 290rwkw, [email protected]

i only got it started last weekend after rebuilding it in my garden shed and am trying to run in, if i can get the wallbro in and get it on the dyno to check tune after not using for 2 1/2 years and putting thiner head gasket on i will for sure, work permitting




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    • im sure mine stays in gear and wont shift unless i shift it? and for sure it wont go back to Auto mode if its put in manual mode? if i use paddles but its still in D then of course it goes back to auto mode. but yer if its in -+ and i use paddles it will not auto change gears what so ever and i have tried this. it will gear down if at a stop though which is kinda nice but goes back to 1st gear not D. i think it used to be like this with imports aswell i dunno if its really like it anymore like when i got my R33 it had alot of JDM options which local cars didnt have. Now local cars have kinda caught up even the lower models. but yer transfer rates and other things makes it almost on par.
    • Very decent bit of kit. Definitely black it out I reckon.  
    • Because people who want that are buying euros. The people with the money to buy the aftermarket heads and blocks aren’t interested in efficiency or making -7 power, they’re making well over 1,000hp and pretty much only drive them at full throttle  best way to way make money is know your customer base and what they want and don’t spend money making things they don’t want. 
    • It's not, but it does feel like a bit of a missed opportunity regardless. For example, what if the cylinder head was redesigned to fit a GDI fuel system? It's worth like two full points of compression ratio when looking at modern GDI turbo vs PFI turbo. I'm pretty reliably surprised at how much less turbo it takes to make similar power out of a modern engine vs something like an RB26. Something with roughly the same dimensions as a -7 on an S55 is making absolutely silly power numbers compared to an RB26. I know there's a ton of power loss from things like high tension rings, high viscosity oil, clutch fan, AWD standby loss, etc but it's something like 700 whp in an F80 M3 vs 400 whp in an R33 GTR. The stock TF035HL4W turbos in an F80 M3 are really rather dinky little things and that's enough to get 400 whp at 18 psi. This just seems unwise no? I thought the general approach is if you aren't knock limited the MFB50 should be held constant through the RPM range. So more timing with RPM, but less timing with more cylinder filling. A VE-based table should accordingly inverse the VE curve of the engine.
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