I have an S472 for sale that would make a nice primary.

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Here are the measurements I came up with today.

Compressor inducer 72mm exducer 105mm

Turbine inducer 96mm turbine exducer 88mm

The exhaust housing I think is a 1.32 ar because it has cast into it.

 

sweeet but whats up on your sig? If those are your only mods how you got 900ftlbs

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the only way i'll ever do compounds is if there is a proven set made by someone with a ton of R and D. i hear about guys mixing and matching all sorts of dr.suess $h!t and it just seems like a shoty way of doing it. I was going to be one of those guys but i have no bizznas figuring out all the info. i'll just go and boost some local shop's economy.

thanks for the info Everyone who posted

 

Compound chargers like any other chargers will work if you have an idea of what you want and how these chargers perform by themselves. Most of setting them up must be done by the owner of the truck or his local tuner. As long as the turbos you choose are in the appropriate flow range it will work. The fun happens after you buy your kit and you have to wastegate it for you specific fueling and driving needs. IMO compound turbo kits are outrageously priced for what you can build yourself or have someone else build for you.

 

true about the cost some of these kits are just damn expensive. see them all the time for 4999.99 thats more then i paid for the truck