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Old Dec 2, 2008, 03:03 PM
  #31  
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Originally Posted by RyuEvoIX
Eat crow. This was back in mid summer weather. It's 30-40deg cooler now.


I ran 11.388@119.92mph and 11.39@120.38mph back when my car dyno'd 390whp on stock cams.

http://videos.streetfire.net/video/E...ock_157374.htm
And its on a mustang dyno, pretty impressive.
Old Dec 2, 2008, 03:30 PM
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Originally Posted by CBRD
here is an HTA 30R at 23.8 psi vs our BBK at 24.2 psi...

BBK is solid line

both cars had valvetrain upgrades, cossie cams, etc.. fmics...

it was about 25 degrees cooler for the BBK, but do you think that will bridge the gap? hee he..



cb

So a 30r makes full boost (only 24psi) at 5400rpms or am i reading the graph wrong?
Old Dec 2, 2008, 03:43 PM
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I don't understand that dyno...

You posted this dyno awhile back and stated that if the 30r car had cams it would have done 20-30whp more which would put it over 400whp @ 24psi with a much better looking powerband than the one on this post???

Old Dec 2, 2008, 03:44 PM
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Originally Posted by jesse@afiturbo.com
So a 30r makes full boost (only 24psi) at 5400rpms or am i reading the graph wrong?
jessie,

solid black line is the boost plot for the 30R... 24psi around 4850ish rpm the 50 trim its compared to here hits 24psi by 4000rpm


we use the gt37 (30 R variant) compressor with different turbine wheels and it makes a dramatic difference.

a 30R to me is all the lag of a 35R and less power.

cb

Last edited by CBRD; Dec 2, 2008 at 03:47 PM.
Old Dec 2, 2008, 04:08 PM
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Originally Posted by CBRD
jessie,

solid black line is the boost plot for the 30R... 24psi around 4850ish rpm the 50 trim its compared to here hits 24psi by 4000rpm


we use the gt37 (30 R variant) compressor with different turbine wheels and it makes a dramatic difference.

a 30R to me is all the lag of a 35R and less power.

cb

On the graph you posted on this thread it doesn't apear to hit full boost untill after 5400rpms (dotted black line)

Just seems an overlay from the HTA3076r used vs. the 50trim would have been a better comparison to your BBK .

And im not saying a 30r is the best thing ever, FWIW i have a red on my car right now as i see the sub 550whp market heading towards only stock appearing turbos. I don't beleive the 30r is extinct from a performance standpoint, i've done a few T.S. ones that are spooling faster than Reds...i do however beleive the price point of a properly setup TS 30r setup is not worth the extra money over a Red or similar stock based turbo...
Old Dec 2, 2008, 04:09 PM
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Originally Posted by jesse@afiturbo.com
I don't understand that dyno...

You posted this dyno awhile back and stated that if the 30r car had cams it would have done 20-30whp more which would put it over 400whp @ 24psi with a much better looking powerband than the one on this post???

jessie,

i have lots of plots, many times i think of a client with a good build and post their plots, i dont use the same everytime...

i can gather a few if you like...

the 30R has never impressed me AT all on the evo.. i feel its a good big displacement twin turbo style turbo....

the 50 trim usually walks all over them... and if you can deal with lag until about 5000rpm get a 35R and run 26+psi

cb
Old Dec 2, 2008, 06:10 PM
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this is a boost plot, datalogged off the hYdra EMS, of our FTW3076R kit on my 8 w/ hks 280's, and a 2.4L:




I personally think this is how an evo should've felt off the showroom floor. The 3076R is very responsive, and maintains power well for being as responsive as it is.
IMHO this is the most fun streetcar/pumpgas turbo that you could run.
In fact, I'm only running my 37R right now because the guys at Skunk are using the 3076R for testing on their engine dyno...


I had a customer that was looking for the best possible powerband with good power at low boost, for time attack/street use.

We sent him out our FTW3076R kit and he loves it:

93 octane @ only 22psi



-Ken
Old Dec 2, 2008, 06:34 PM
  #38  
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Well as far as what the OP asked, I would recommend the BBK. Same response as the stocker and 400 whp capable. I am extremely happy with it and think it would fit what you are looking for perfectly.
Old Dec 2, 2008, 06:36 PM
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Stock evo 9 turbo with a few mods Easy cheap power
Old Dec 2, 2008, 06:41 PM
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Originally Posted by CBRD
it was about 25 degrees cooler for the BBK, but do you think that will bridge the gap? hee he..



cb
No, but that 0.4 psi might have
Old Dec 3, 2008, 06:43 AM
  #41  
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o man this is never going to end because you don't have the same car with the exact same conditions doing the turbo comparisons, you can speculate, but this argument will never die because there is always something to contradict every dyno
Old Dec 4, 2008, 01:15 AM
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Well heres my 2c worth:

Guys are achieving awsome results with stock frame Turbo's like the BBK, FP Green & Red...

I wouldn't mind owning any of them with the full bolt-ons on a 2L - the results are fantastic.

But having owned many Garrett Turbo's most of them Stage III T3-T4 Hybrids I am pretty sure the 50Trim, 3071, 3076 are far from extinct or redundant and with the popularity of TS 30R's and the F1-35R from Full Race it just give us a lot more to think about and choose from...

Variety is the spark of Evolution!



.
Old Dec 4, 2008, 07:40 AM
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Originally Posted by PeakBoost
this is a boost plot, datalogged off the hYdra EMS, of our FTW3076R kit on my 8 w/ hks 280's, and a 2.4L:




I personally think this is how an evo should've felt off the showroom floor. The 3076R is very responsive, and maintains power well for being as responsive as it is.
IMHO this is the most fun streetcar/pumpgas turbo that you could run.
In fact, I'm only running my 37R right now because the guys at Skunk are using the 3076R for testing on their engine dyno...


I had a customer that was looking for the best possible powerband with good power at low boost, for time attack/street use.

We sent him out our FTW3076R kit and he loves it:

93 octane @ only 22psi



-Ken
that is a very nice boost curve. but i do not think that would happen on a 2.0L
Old Dec 8, 2008, 12:17 PM
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Originally Posted by CBRD
here is an HTA 30R at 23.8 psi vs our BBK at 24.2 psi.
that is a TERRIBLE comparison... if youre trying to prove this turbo works, compare it to an FP green (the reference standard..) not some POS hta30R, that is one of the all time worst turbo combinations ive seen, right up there with the 3040R/fp3065...

Originally Posted by CBRD
a 30R to me is all the lag of a 35R and less power.
huh??? what are you talking about?? i would agree with that regarding the 3082R, but definitly not the 3071R or 3076R...



blue line = FR 30R kit HP, green line = XXX 35R kit hp



blue line = FR 30R kit HP, green line = XXX 35R kit hp



blue line = FR 30R kit HP, green line = XXX 35R kit hp
Old Dec 8, 2008, 02:20 PM
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Originally Posted by less10
And its on a mustang dyno, pretty impressive.
It's on TTP's dynojet-like mustang. Yes it reads high but I'm actually with the poster on it, MAX out an IX turbo before looking at something bigger. I'm making ~370whp on dyno dynamics, ~400whp on dynojet on my IX turbo on E85 (or pump & alky). Lots of fun to be had with the stocker! Do the math and that's almost 500bhp at the crank!


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