Compound Sizing

BlueWaffle

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ok folks....I'm working with Matt at CED to get a set of compounds put together. I'm stuck on what to pair up. I've heard that there is some sort of ratio that says the compressor wheel of the LP should only be so much bigger than the comp wheel on the HP before it becomes inefficient. Anyone heard of this? I was thinking of a 64 over a 475 but I'm not sure how they will work together. I'm looking for something that is still fun on the street, could make about 700, and still post respectable times the couple times a year I go to the track. thoughts?
 
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Pizza pig

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The HP turbo should be able flow at least 50-60% of the max flow of the LP turbo, this is what I was told last.

dude, just get one of these and be done :jammin:

giant-turbo.jpg
 

BlueWaffle

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Are you planning on keeping the 190s or going bigger??

keeping the 190's for now (they actually flow 200ish). don't plan on going any higher than 210-215's if i do change.

Keeping the vgt or will you be swapping to a s300 for the secondary?

as stated above....64 over 475. s400 for the secondary.
 
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smokinstroker

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^beat advice anyone can give you. Make sure your phone plan has free international calling first :doh:
 

Extended Power

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He texts all hours of the day, and night...
And yeah....he's a perdy fart smeller...:jammin:

He has helped me out a ton.
 

Countryboy07

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Lance, I'd go with what you mentioned with divided up pipes on that 64 to help spool up. Those injectors flow a ton of fuel for 190's... When I was running them with a 62/70, I could peg that 1,600 gauge like it was nothing. Good luck on your build!
 

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