what engine is the best?????? RB26DETT or 2JZGTE engine?????

[TatII]

Originally Posted by TRD2000

hmmm...

parallel rb26. = 2 X 1.3 litre turbos.
Sequential 2JZ = 1 X 3L turbo till 4000rpm ish + 1 X 3L turbo FROM 4000rpm ish

while running twins allows for a smaller turbo that spools faster, if you half the flow you move that spool well up the rev range and it seems to me there's no point running twins... IMO

Sequential means you can use two different sized turbos, a little one to get you going and a big one (or a different housing A/R etc.) to take over when the little one runs out.

what would be really cool would be to run ALL your flow through one decent turbo to start... then as it starts to taper off, open your exaust to another turbo... you could divert gasses from the first turbo so it stayed in it's range and gradually feed in another turbo till you had TWO decent turbo's running in their range. congratulations you've got TWINS!..... oh weit doesn't the 2JZ do something like that already?

net result sequential makes for a broader powerband ...ALA Chilli ^^^ making the car "easier" to drive, more tractable

my co worker just bought his R32 GTR so finally i can comment first hand on what i said earlier. the R32 is almost lag less, on the highway you tap the gas, the boost will hit almost instantly. when in first gear, theres no sudden spike in power ( like a supra ) the turbos spools very smooth and very fast.

after putting the GTR on the lift, the turbos are very very small. even smaller then the CT16s found on the supra. the trade off that is that you can't run that high off a boost or else the turbos will shatter from over spinning.

and the supra and RX-7 doesn't run two different sized turbos. the first and secondary turbos are the exact same size. they just basically use the first turbo to pressurize the second turbo. the transition is not smooth, ( even at stock boost ) and the first turbo by itself is practically useless. it doesn't flow enough air to make any real power.

parrallel owns sequential in my opinion. thats why the twin turbo Z has better boost response, and after being in a GTR first hand, the boost response is much better then a supras.

and me and hondachilli knows each other so we know how the supra's system feels too.

[jcsaleen]

Rb26dett just because it is in the legendary R34.

[Right_LiRrr]

Originally Posted by jcsaleen

Rb26dett just because it is in the legendary R34.

I would have thought it was the R32 that was legendary

But I agree with everything Tat says - not just because he knows everything, but from experience in visiting auto shows as well.

As with powerhandling, I would think the supra is much more consistent in creating high power. At the last two big dyno events I went to, the supras always cracked 1000hp whereas the skylines, although very capable of doing the same, usually had problems and never got to make their full power. (both cars were of very well respected motorsport teams here in Aus.)

But for a true sports car where every aspect is judged, the skyline is just superb in my opinion...although, it's not for everyone. This is not to say the supra doesn't do very well on a track, because it does.

Both legendary engines, both close to bulletproof and both underrated (the sly japs! =P) Most GTRs here in aus (jap imported) dyno at about 310-320whp stock...so that says a lot.

[kachok25]

For raw HP potental and stock form daily driving I have to say the 2JZ for stock form racing RB26. Seeing as I drive more than I race I have to say the 2JZ