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Old 02-16-2011, 10:34 PM   #21
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Hey Hussie...if you're not happy wit the 2860, I'll trade you for my 2560R....oh wait...you got all the v-band stuff....nevermind.
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Old 02-17-2011, 09:35 AM   #22
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what is your output at 3500?
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Old 02-17-2011, 11:03 AM   #23
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I agree with you totally on the 15-18psi numbers, but I really like making torque at 3500rpm. At 11psi my car is solid on the track though a bit underpowered feeling, at 15psi it comes alive and becomes angry, 18psi is wild. Unfortunately NASA makes me run 210whp in TTB so my GT2860rs is horribly inneficient at that level.
If I had your setup here's what I'd do. I'd get an adjustable intake cam gear and run a different, tuned cam setting & ECU map for low boost vs. high boost. With your laptop & a wrench you could make the switch in 10 minutes.
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Old 02-17-2011, 06:06 PM   #24
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Quote:
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what is your output at 3500?
Nice use of the quote feature. ARE YOU STILL BEATING YOUR WIFE!!!!11
Are you talking to me?
Quote:
Originally Posted by usd2bfst View Post
If I had your setup here's what I'd do. I'd get an adjustable intake cam gear and run a different, tuned cam setting & ECU map for low boost vs. high boost. With your laptop & a wrench you could make the switch in 10 minutes.
I've considered this, but I lucked out and the power plant does what I need it to from 3400rpm onward, but it's boring at 210whp.

Did you guys use a GT2860rs with the .86 or .64 turbine housing?
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Old 02-18-2011, 10:11 PM   #25
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More pics!

And I'm guessing a 'larger than standard' intercooler is recommended for this.
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Old 02-19-2011, 02:16 PM   #26
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I don't understand, so basically this is a FMII kit with a different hotside housing...
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Old 02-19-2011, 08:21 PM   #27
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I don't understand, so basically this is a FMII kit with a different hotside housing...
This is an entirely different turbocharger (larger than the 2560 that FM popularly sells), it has an external wastegate, and because of the external wastegate, the downpipe is altered.

That's it. Properly sized injectors are also required if you plan to make more power than your current hardware can support. For a current FMII owner, the upgrade looks like this:

1. Buy the bigger turbo
2. Buy the external wastegate
3. Buy the external wastegate compatible downpipe
4. Buy a larger set of injectors (optional, depending on power goals)
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Old 02-19-2011, 08:33 PM   #28
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Well, I thought the GT30 was always and upgrade option? Just looks like they changed the hotside housing and added a wastegate to it and called it a 'new' kit.
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Old 02-19-2011, 08:56 PM   #29
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And now you have 3 more upgrade options in addition to the standard 3071 - the 2860, the 3071, and the 3076. All with a different turbine housing than the standard 3071, different compressor housing than the 3071, EWG, and supporting downpipe.

It's not a "new kit" - it's an upgrade option for an existing kit.
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Old 02-21-2011, 12:33 PM   #30
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Hustler, back when I tried the potato we used the .64 ar hotside. It had the 9 blade NS-111 wheel as I recall.

On our car we're using the 15" IC because this car has A/C, and with the E85 it doesn't really matter.

Fooger has it figured out. The idea here is we wanted to come up with a bolt-on turbo kit that's up to our standard of quality & will support goals in the 400-500 whp range. Previously we couldn't do this- the smaller a/r hotside on the internally gated 3071 makes it great street turbo however it limits out realistically at or under 400 whp uncorrected from the choked-off top end.
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Old 02-21-2011, 07:41 PM   #31
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Quote:
Originally Posted by usd2bfst View Post
Hustler, back when I tried the potato we used the .64 ar hotside. It had the 9 blade NS-111 wheel as I recall.
This makes a world of difference as you know. However, after looking at Robert Harris' car and my car with almost identical motors, it was clear the .86 made this turbo "desirable".
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Old 02-21-2011, 08:53 PM   #32
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Quote:
Originally Posted by fooger03 View Post
For a current FMII owner, the upgrade looks like this:

1. Buy the bigger turbo
2. Buy the external wastegate
3. Buy the external wastegate compatible downpipe
4. Buy a larger set of injectors (optional, depending on power goals)
That's a bigger change than for the current Voodoo2 owner who wants to upgrade to an FM2:

- Buy the Hydra
- Buy the 550cc injectors (optional, depending on power goal).

BEGI kits follow a similar modular approach. So it's as much a new turbo kit as any of the others already on the market.

--Ian
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Old 03-06-2011, 03:35 PM   #33
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given that the car is running a 2.0 with a smaller(3071 instead of my 3076) and e85 fuel instead of the 93 im running on, im kinda surprised that it didnt achieve higher numbers down low? the big laggy 3076 produces the same numbers on my smaller engine. but this one blows by mine at higher rpms.. i think i need to increase my boost more to compensate for the smaller engine

cool to see that you guys are doing the bigger turbos too now.. thats what kept me from buying a kit back in the day, no big turbo setups ..
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Old 03-06-2011, 04:28 PM   #34
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Quote:
Originally Posted by hf-mx5t View Post
given that the car is running a 2.0 with a smaller(3071 instead of my 3076) and e85 fuel instead of the 93 im running on, im kinda surprised that it didnt achieve higher numbers down low? the big laggy 3076 produces the same numbers on my smaller engine. but this one blows by mine at higher rpms..
They're 5000' up.
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Old 03-06-2011, 04:32 PM   #35
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Sweet, poor tax return.
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Old 03-06-2011, 04:41 PM   #36
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forgot that fm is in the mountains
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Old 03-06-2011, 05:00 PM   #37
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Quote:
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They're 5000' up.
With one hell of a correction factor...
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Old 03-07-2011, 03:34 PM   #38
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With one hell of a correction factor...
Yes the thin air altitude they are at produces dyno plots that look very laggy and the SAE correction factors if applied are a bit generous for turbo boost up top.

At sea level you can expect ~4 to 600 rpm better spool more low end torque and peak power numbers somewhere between the corrected and uncorrected numbers probably closer to the uncorrected at the higher rpms

Bob
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Old 03-07-2011, 03:58 PM   #39
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Are you talking to me?

Yes I was talking to you
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Old 04-05-2011, 04:09 PM   #40
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I believe I got a ride in this car when I was at FM (if it's the "Alcohol" car).

Either way, it was astonishing.

Jeremy, has all the testing since been done on the catch can setup?

If so, let me know, as I might want to add that while my car is still in your hands (the '01 SE).



- Paulie
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