Need Help Choosing Turbo and Kit
Started looking at the Huron Speed turbo kits and was originally thinking the T6 with something like an S480. Would some of the VS Racing race cover, etc. stuff be a step up from the S480? What do you recommend in the Borg S480 price range?
Also, looking at the HS twin turbo kit. Any suggestions for turbos with this kit? Any opinions on packaging, or which kit would be better, between the single and twin kits?
This will be my 1st turbo build. I am trying to keep costs somewhat under control without cutting corners. Hoping to build something reliable, that runs cool enough, and has good power capabilities.
Spools up pretty quickly and the fitment is excellent, can't speak to the twin kit but I'm sure the fitment is excellent there as well.
For a big single, if you plan on pushing the LS2 then I'd look at the FIS 91/102 otherwise any billet wheeled 80-84mm wheel will work very well.
Had several people tell me that the S484 will max out around 1,200whp so plan accordingly.
The VS stuff is good but not on the same level as the FIS products.
Spools up pretty quickly and the fitment is excellent, can't speak to the twin kit but I'm sure the fitment is excellent there as well.
For a big single, if you plan on pushing the LS2 then I'd look at the FIS 91/102 otherwise any billet wheeled 80-84mm wheel will work very well.
Had several people tell me that the S484 will max out around 1,200whp so plan accordingly.
The VS stuff is good but not on the same level as the FIS products.
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I am a turbo rookie, but my thinking is I would rather have something that is a little soft on the bottom end and maintains low back pressure if turned up a little. Does that make sense?
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It's not as tight as it looks either, I can still get in down around the front of the engine and what not.
Jose at FI knows his stuff, hands down one of the best in the industry so I'd take what he says as gospel.
I've read from many with more experience than me that with a 96mm turbine wheel anything more than an 80mm compressor wheel size iirc will overrun the turbine faster, the 80mm is the best balance for maxing out the 96mm turbine and guys are doing that on fewer cubes than you.
With that I'd go to the bigger turbine if you can afford it, really it's a one and done because if you wring everything out from that 91 then you'll be getting into really, really expensive turbos or twins.
This turbo on my setup is definitely a little soft down low but I like that for street racing, makes it easier to control, I'm still seeing 10 lbs. at just under 4,000 rpm lightly foot braking it so it builds boost pretty quickly.
It's not as tight as it looks either, I can still get in down around the front of the engine and what not.
Jose at FI knows his stuff, hands down one of the best in the industry so I'd take what he says as gospel.
I've read from many with more experience than me that with a 96mm turbine wheel anything more than an 80mm compressor wheel size iirc will overrun the turbine faster, the 80mm is the best balance for maxing out the 96mm turbine and guys are doing that on fewer cubes than you.
With that I'd go to the bigger turbine if you can afford it, really it's a one and done because if you wring everything out from that 91 then you'll be getting into really, really expensive turbos or twins.
This turbo on my setup is definitely a little soft down low but I like that for street racing, makes it easier to control, I'm still seeing 10 lbs. at just under 4,000 rpm lightly foot braking it so it builds boost pretty quickly.
7875's are great for street cars and guys have gone mid to low 9's with them but that's pushing them to their absolute limit.
If you wanna go faster than that and do so reliably, it's much easier to move to a T6 combo, if you outlined your goals to Jose at FIS and he recommended that turbo then that's what I'd go with.
As John mentioned, the smaller S400 units are identical so if you ran a smaller used unit in the meantime, you could easily upgrade later with no other changes.
I've been told the S484 is good for around 1,200whp so I'd be curious to know what the 91/102 can do.
If that turbo will do 1,500fwhp without creating excessive back pressure than it most likely will do more if you lean on it.
I may have been mistaken on what I was told about the S484 as well, it might have been 1,200fwhp and not wheel hp because at 1,200whp that's 1,500wfhp and I don't think that's possible with the S484 now that I think about it.
I could be wrong, I'm most certainly not an expert lol.







