Forums/Z31P/z31-performance-upgrade-forums engine-mechanical-aa/VG30E with HX35W questions?
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DarkVoltageBCA: (2019-08-12 18:53:30)
Hi! This is my first post on Z31Performance.
I'm looking to upgrade my VG30E (1986 N/A) to have a Holset HX35W w/ Nistune ECU. Any recommendations? Is this a good idea?
Hoping to up my hp to 250-300 at least.
Here's a picture of my Z31 currently:
Z_Karma: (2019-08-12 19:33:43)
A Holset HX35W and Nistune has proven to be a decent combination. Obviously you'll need more fuel and other mods to support that setup but it's been done and reliably.
Admittedly the search function on this site isn't the greatest so it's easier to use Google to search the site for info.
https://www.google.com/search?q=HX35…erformance.com
https://www.google.com/search?q=HX35W+site%3Az31performance.com
Wilsonthesphere: (2019-08-12 19:39:18)
HX35 have really fallen out of fashion. It used to be a great choice when turbos were a lot more expensive. You better off getting a BW S257 for those power goals. That 250 -300 should be obtainable with fuel upgrades and a inter-cooler.
https://agpturbo.com/borg-warner-s25…1-12769095003/
Z_Karma: (2019-08-12 19:42:34)
Shhhh, i was gonna offer mine for sale :P. j/k, but yeah turbo prices have come down drastically and even Ebay Turbo quality has improved.
jdmlegends: (2019-08-12 23:15:13)
Even the Garret GT3076R has fallen in price. Only about 1G now and might work well if you want to keep the AC.
Wilsonthesphere: (2019-08-13 16:07:48)
lol my bad. I remember paying $350-400 for a blown HX35 like ten years ago then doing HX40 compressor swap and a rebuild. Putting the turbo setup much closer to not $1k Not factoring in inflation. But Holset's do have the distinct whistle sound that never gets old.
mwolvinm: (2019-08-13 16:56:49)
even Ebay Turbo quality has improved.
Improved to the point that you'd trust one on a $3K engine build?
Wilsonthesphere: (2019-08-13 19:00:02)
Improved to the point that you'd trust one on a $3K engine build?
I wouldn't on a proper engine build. But on a stock block I think the risk is worth it.
jdmlegends: (2019-08-13 20:33:25)
Mad Matt from youtube put an Ebay-T70 on his 86 to save $$$ and he never mentioned any problems. But I still wouldn't take the risk on even a 250 HP Z. That's just me though.
DarkVoltageBCA: (2019-08-15 23:01:40)
Mad Matt from youtube put an Ebay-T70 on his 86 to save $$$ and he never mentioned any problems. But I still wouldn't take the risk on even a 250 HP Z. That's just me though.
I agree honestly, I'd rather spend a bit more and have something safe, fast and reliable.