[Mirage]

just thought id put a boost graph up of 2860-7's for anyones interest in running these turbos.

 

[FireDan50]

Is that on an R32? What other supporting mods do you have?

 

[Mirage]

yeh its an R32 with an R34 nurspec engine, 87mm pistons, PFC, nismo afms, nismo plenum.

rest is standard.

obviously that is Wheel bhp flywheel is 507.5

 

[vennuth]

obviously that is Wheel bhp flywheel is 507.5

379 bhp ATW is 449 bhp ATF mate. You do not have 130 bhp transmission losses.

 

[clarky_gtt]

i was considering these turbo's, i imagined they could comftably make 520 bhp. Seeing as im already running 444bhp i dont think these would be the right choice!?

i really want some decent torquey, quick spooling tubo's that will see me good for over 500 bhp comftably. Anyone have any ideas?

 

[vennuth]

i was considering these turbo's, i imagined they could comftably make 520 bhp. Seeing as im already running 444bhp i dont think these would be the right choice!?

i really want some decent torquey, quick spooling tubo's that will see me good for over 500 bhp comftably. Anyone have any ideas?

~550 bhp, go GTSS, more than that, 2530.

 

[clarky_gtt]

whats the garret equivelant to the gt-ss?

 

[vennuth]

From what I gather, 2860-7 - as Mirage is using - flow slightly less than GT-SS and 2860-5 slightly more.

 

[clarky_gtt]

hmmm thats not to good power he's making in that case, i may have a word with my tuner and see what they recommend

 

[vennuth]

He hasn't stated what boost it's running in that graph. For reference, I have 440 bhp ATW at only 1.2 bar with GT-SS.

 

[Mirage]

these turbos are capable of running up to 600bhp clarky, im only running 1.25bar of boost AS YOU CAN CLEARLY SEE IN THE GRAPH!

THAT GRAPH IS WHEEL BHP AND BOOST PRESSURE!

and vennuth this is the same dyno run with torque vs flywheel bhp so yes it is 507.5

 

[clarky_gtt]

i see, i do apologise, i wasn't aware of what sort of boost you could run them at.

what can they safely handle?

 

[Mirage]

im not sure on the max boost pressure mate, tuner told me they are 600bhp max, im sure someone on here knows what the max pressure is.

but they spool up faster then the -5's but flow slightly less, a good choice in my opinion.

 

[vennuth]

these turbos are capable of running up to 600bhp clarky, im only running 1.25bar of boost AS YOU CAN CLEARLY SEE IN THE GRAPH!

You can see it fluctuating between 1.3 and 1.22

THAT GRAPH IS WHEEL BHP AND BOOST PRESSURE!

I am aware of that, hence why I corrected your miscalculations.

and vennuth this is the same dyno run with torque vs flywheel bhp so yes it is 507.5

Because a dyno operator calibrates it to show 507.5 that does not mean that it is true. Your transmission losses are not 130bhp. So far you have show that you are illiterate and naive.

 

[clarky_gtt]

lol steady!

thank you both for the answers, looks like there ideal for what im after.

 

[Mirage]

you corrected "my" miscalculations??. well i wasnt aware that i came up with those figures personally, the dyno dynamics RR came out with those figures so thats what they are, yes there may be fluctuations between different RR but thats what this one says the power is, i admit it is higher than the average tranny loss but as i said i did not come out with these figures myself, also the fact that 550cc injectors are running at 95% on this power backs up that it would be around 500bhp.

i am going to take it to another RR and compare the graphs, and im neither naive nor illiterate.

i only put this graph up to help people deciding on turbos, i was trying to be helpful, not get into a power debate. however you have just reminded me why i dont post much on here or try to help people as there is far too many idiots on here.

 

[clarky_gtt]

mirage, you were very helpfull and have made me decide on these turbo's. This is the internet, ignore anyone who has a dig! its one big willy waving contest!

 

[Mirage]

thanks clarky, at least it help someone hehe.

you wont be dissapointed with these turbo's and they wont brake the bank either. (around £1500)

 

[roguejackal]

Cant wait to get my car back as these are the turbos i have chosen, aiming for a little more than what you are showing, but I'm sure that considering I was at around 380fwhp anything over 500 is gonna be good:bowdown1:

 

[vennuth]

you corrected "my" miscalculations??. well i wasnt aware that i came up with those figures personally, the dyno dynamics RR came out with those figures so thats what they are, yes there may be fluctuations between different RR but thats what this one says the power is, i admit it is higher than the average tranny loss but as i said i did not come out with these figures myself, also the fact that 550cc injectors are running at 95% on this power backs up that it would be around 500bhp.

i am going to take it to another RR and compare the graphs, and im neither naive nor illiterate.

i only put this graph up to help people deciding on turbos, i was trying to be helpful, not get into a power debate. however you have just reminded me why i dont post much on here or try to help people as there is far too many idiots on here.

I did not initiate a power debate, I simply pointed out that you do not suffer 130bhp transmission losses. You believe that you have 507bhp. Assuming that the ATW RR figure is accurate, you are wrong. ATW + 70bhp is a very solid estimate for ATF. I also am trying to help somebody, by telling him the facts.