Single Turbo RX-7's Questions about all aspects of single turbo setups.

Best turbo for 400-550WHP ( Im lost .. )

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Old Jun 23, 2021 | 04:01 AM
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Question Best turbo for 400-550WHP ( Im lost .. )

Hi Everyone, this is my second post here and i am looking at a single turbo to choose. Ive had a research, but all the threads are old that come up ( 2003 - 2012 ish ) . I know that turbos are changing and updating, and its 2021 now I have no idea what turbos are out there.

I have been looking at a gt35r, but as you know it seems like an outdated turbo, I dont know the difference between new and old ones apart from maybe faster spool times and better efficiency?

Im not the richest person in the world, Budget would be around 1.5k NZD

Not fussed about how fast it can spool, maybe something that can make 400 on a max of 15psi ? Again Im not familar at all with all the options so maybe someone running something similar would be helpful.\

Cheers, Links would be appreciated too
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Old Jun 23, 2021 | 07:26 AM
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both your budget and power levels works very well for a Borg Warner SX-E 62 with a 76 mm turbine and .91 hotside housing. the turbo is very friendly priced for the engineering within. i have completely tested it on my own car so speak from direct experience.
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Old Jun 26, 2021 | 10:49 PM
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Cheers man, That does seem like a really nice turbo, what sort of rpm does it hit boost?
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Old Jun 27, 2021 | 12:20 AM
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Any EFR kit... There's alot on this forum on it.
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Old Jun 30, 2021 | 04:01 PM
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I recently installed a GT3582R and freaking LOVE IT. Spool about as good as twins. Starts building boost in the 2000s, full boost like 3300. even 500 should be an easy goal for this turbo, I am only at 10psi currently, and it feels faster than my twins at 15.
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Old Jul 20, 2021 | 04:58 AM
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The 362 SXE is a great turbo for the price. However I don't like the lag on mine. The 7670 and 8374 IWG are both good choices with good power. I don't know about the newer GT's personally.
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Old Jul 20, 2021 | 03:06 PM
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Originally Posted by edd956
The 362 SXE is a great turbo for the price. However I don't like the lag on mine. The 7670 and 8374 IWG are both good choices with good power. I don't know about the newer GT's personally.
How bad is your lag and what port is on your motor?
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Old Jul 21, 2021 | 12:10 AM
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Stockport, pretty bad street is fustrating. It's a new keg maybe when I swap the apex seals, they'll see the side seal problem Howard has been seeing. Only time will tell if I see an improvement.
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Old Jul 21, 2021 | 03:27 AM
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I have a stage 2 street port on my one, so should spool a bit faster
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