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Its damn sure cheap enough. If the design of the turbine and compressor wheels is really good the sizes selected should be capable of 1800 - 2000hp on the right engine combo. An actual compressor and turbine map would tell you what they are really capable of making. Looking at wheel sizes never tells the whole story. LBS/MIN of air moved at what pressure ratio and efficiency is what you really need to see.
 
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Never heard of pulsar?

Idk if that will do big numbers tho, depends on the combo. Def will prefer small cube deals. That seems like they squeezed a s500 turbine wheel in a s400 frame. My friend used the s500-88 and had it upgraded to a 94 i think and it was basically pegged over 2:1 backpressure and done around 1400 whp range on a 414 lsx if I remember it right. I know it was in the 1300’s whp with high back pressure but a few psi short of what we seen at the track.

So that 92 may have decent flow to get up into the 1500 whp range but thats asking alot out of a s400 frame. Im not sure what the limits has been. The biggest true s400 i know is the FI 94 mm with the 104mm turbine. Its been pretty quick on single cars in the 1/8. 4.46 at 160
 

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ls1 s/s notch on 28s
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as said pulsar is china so basically vs racing with out the mark up

the fox body has the vs 92/110 on it doing 1100 on e85 an a sbe 5.3 deal

heres a vs racing 106mm/112 billet ball bearing

cast alum wheel on3 107mm doing mid 1100 wheel on e85 5.3 combo @27#s(being $850 prob the best bang for the buck for china stuff)

billet wheel on3 107mm version doing 1300 wheel
 

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ls1 s/s notch on 28s
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the vette an copo are 427 deals.. a 572 would be better with twin s475s.on a single youll be pushing the turbine being its only a 110 wheel on that pulsar. id find a used pt98-106 g trim(130mm exh wheel) because im sure your spinning that mid 6k as is now
 

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On a 5.3 or a 6.0 it maxes out at 1300?, what about a 572 bbc that makes 750 horsepower NA, 15 psi of boost should be 1500-1600 hp.🤷‍♂️
Thats not how it works. It likely would max out even sooner than the small cubes

As said, if thats the vs racing 92/110 its a poor flowing turbo. It doesnt make the numbers you would think
 

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Discussion Starter · #10 ·
Thats not how it works. It likely would max out even sooner than the small cubes

As said, if thats the vs racing 92/110 its a poor flowing turbo. It doesnt make the numbers you would think

That's why I put the 🤷‍♂️ because this isn't my area of expertise, is there anything at VS Racing or Pulsar in the 1300-1500$ range that would be applicable for 15-20 psi on a 572 without having crazy high back pressure?

I've seen the G42-1450 clones at Pulsar but I have yet to see a G57-2000 clone anywhere, though I may have missed it.
 

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ls1 s/s notch on 28s
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yeah no large frame true clones only gt55s.. you can find a used large frame in your price range. twin billet wheel s475s t4s would get you in your hp ball park your wanting.. go in google type in twin s475s big block yellowbullet an threads will pop up on it..could even do twin s480s because im sure youll get boost addicted an want more.happens to everyone lol
 

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Pulsar shows a knock off g57 106mm but it’s 3k$ I can’t justify spending that type of money on a knock off but there’s plenty of gt55 style turbos out there for a good price sewerpickle sells some
 

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Thanks for the plug Ls3fox, I'm not too sure on the specs of that pulsar unit , but there's too many options available on that one turbo to make me a little skeptical. I have 4 different GT55 clones available, only difference being the compressor wheel size. My units may have less options but the quality control is there, I've got lots of these out there none have had any issues. My price is even close.
 

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ls1 s/s notch on 28s
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alilbaba has all them options, these are all out the same factories..sewerpickle you just have to order them like that from over seas contact.pulsar carries a crap ton done different ways because they are a huge dealer. last i looked they had the gt55 clones with 88,92 an dual ball bearing 80,85,92an 98mm with a 101 wheel.. the rear housing options have been the same since the 88 clones came about for t6 being 1.15,1.32 an 1.58

edit forgot to say you have the gtx55 china ones with a 88,94,102 an 106mm
 

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It's not a big secret where this stuff comes from. I have nothing that the other guys don't already have. Not trying to be the next VS racing. Selling turbos has funded my personal car project that wouldn't be possibleotherwise, and I've met lots of good guys doing it, many of them have become friends.
 

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ls1 s/s notch on 28s
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It's not a big secret where this stuff comes from. I have nothing that the other guys don't already have. Not trying to be the next VS racing. Selling turbos has funded my personal car project that wouldn't be possibleotherwise, and I've met lots of good guys doing it, many of them have become friends.
oh i know..i was just saying how pulsars do theirs an why they have so many options an if you was wondering hit your contact up because you might get some options..but some on that s400 pulsar list gos away like if you try doing a 75mm,80 with the 101 you cant do an the 110 wheel can only be on the 88s an up.

i didnt know they had a gtx55 in 106mm till a day ago. for the 101 exh wheels i thought it was only 80,85,88,92 ..to me the 92mm seemed like the max anyone would want to go with a 101 exh wheel let alone a 98mm.but i could see them being used on a 6 banger. one thing i noticed with the gtx 88,94 an 106 was they have a 1.40a/r on them. but if you did a gt55 back (110) on the s400 you got the 88mm an the 92mm. vs has that 94/108..seems like they are constantly popping up with new combos..i wont even get into the f.i stuff..i think they limit the s400 chassis to like a 104mm wheel..anything larger uses the s500 line
 
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