What turbo should i use on a 20B??
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What turbo should i use on a 20B??
hey guys i need to know what turbo would be the best for a 4000 RPM Full Boost.. and anything over 450hp... I have a 3Rotor That im converting to single turbo so i need some more power.. lol... let me know
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^ sorta yes and sorta no...
i've seen gt40's for $600, then i've seen a gt30r for $1500....which one do you think is better for a 20b?
and also, he said more than 450...does that mean 500-550, or 850-950? BIG difference.. i say use the smallest turbo that meets your hp goals, but still gives a little room to grow.
i've seen gt40's for $600, then i've seen a gt30r for $1500....which one do you think is better for a 20b?
and also, he said more than 450...does that mean 500-550, or 850-950? BIG difference.. i say use the smallest turbo that meets your hp goals, but still gives a little room to grow.
Last edited by GUITARJUNKIE28; 06-28-05 at 11:47 PM. Reason: typo
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1.32 will spool up with a street port to full boost by 2.5K. My regular bearing "cheapie" 1.32 hits 10psi in a hurry (~3K) and I'm being really gentle under load yet. Figuring the boost curve and exhaust flow using the turbonetics web site data curves, you'll hit 14psi at 3K and maintain up through 17psi until 7K while maintaining the most efficient bubble of the compressor map.
However, it does all depend upon the port sizing and what HP you are shooting for.
However, it does all depend upon the port sizing and what HP you are shooting for.
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A TO4 is way too small for a 20B unless you are running twin T04S's or bigger at least and responsive boost with little top end. Cripes; I know a guy running twin T-60's on a 13B hitting boost at idle but he's setup for drag street racing... For the GT series look at a GT 60 or if you're running big HP the GT70 with a 1.32 or 1.15 respectively.
450 HP...why bother with a 20B then? You can hit that with a T-66 and a 13B... 20B's are for 600+ RWHP so use a turbo that will hit it. The people I know of on here are hitting that with their equivalent T-72's and bigger with street ports, gas station fuel, etc.
Never dealt with T-78 or 88's.
450 HP...why bother with a 20B then? You can hit that with a T-66 and a 13B... 20B's are for 600+ RWHP so use a turbo that will hit it. The people I know of on here are hitting that with their equivalent T-72's and bigger with street ports, gas station fuel, etc.
Never dealt with T-78 or 88's.
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