Black vortech... question. friend gave it to me. said it was from a 240 turbo kit ? - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-18-2007, 03:33 AM   #1
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Default Black vortech... question. friend gave it to me. said it was from a 240 turbo kit ?

just as the title says. im sick of fooling with the begi 2025 unit. just wanna go with a vortech, but it seems i got my hands on one for a 240 ? heres a couple photos of it....

DSC_2202.jpg

DSC_2203.jpg

it looks just like the miata vortechs... i think ?

Scott
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Old 04-18-2007, 03:51 AM   #2
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aside from the colours, that's what the greddy Vortech alright!

May be you want to re-confirm the disc inside!!
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Old 04-18-2007, 03:55 AM   #3
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is there inscribing on the discs? i think im gunan take it apart tonight and check it out.

Scott
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Old 04-18-2007, 05:46 AM   #4
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No, you might want to measure the size of the disc and the ring.

The factory greddy came with a 12:1
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Old 04-18-2007, 06:04 AM   #5
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if you have something like what you seen here, just the disc without the ring. $10 bucks it saids you have a 12:1 disc. If you have disc and ring, that would be a smaller caliberation disc, I am using 7:1 on 1.8 injectors.

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Old 04-18-2007, 09:16 AM   #6
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2.72" Dia for the 12:1
2.47" Dia for the 10:1
2.22 Dia for the 8:1
1.85" Dia for the 6:1
1.59" Dia for the 4:1
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Old 04-18-2007, 05:23 PM   #7
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yup, just pulled the thing apart. looks like i have the 12:1 disc. so what kinda disc you think ill be needing if im shooting for 200+ hp. walbro 190. 305cc injectors? will the 12:1 disc be enough?
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Old 04-18-2007, 05:59 PM   #8
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noooo, more than enough. you want a 3:1 or 4:1


100psi on 305s = 275BHP


12:1 x 10psi + 50psi = 170psi

3 x 10 + 50 = 80psi

4 x 10 + 50 = 90psi
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Old 04-18-2007, 06:40 PM   #9
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hmm, wait lemme clarify. i have a 195lph. not the hp version... when my friend ordered it for me he ordered the wrong one. so i have a max fuel pressure of 90hp.

with the 12:1 disc how much boost can i run to run it to the max settings?

Scott
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Old 04-18-2007, 06:44 PM   #10
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standard wastegate pressure should be fine if your pump doesn't dead head. But it's gonna be real rich.

Get a 4:1 disk.
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Old 04-18-2007, 08:06 PM   #11
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ah, well you can run plenty at only 90psi, i'd still get a 3:1 or 4:1 so it doesn't just completely dump in the fuel right away.

you'll be able to squeeze a good 250-270BHP, whatever psi that works out to.
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Old 04-18-2007, 08:10 PM   #12
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roger. im running about 12psi rightnow on the begi and sometimes i can get it to start because the fuel pressure jumps to like 60psi when im cranking it over.

hopefully the vortech will help me out.
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