Custom Turbocharger sizing?
05-14-11, 02:10 AM
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Custom Turbocharger sizing?
Hi, im from Argentina, new on the rotary world, here´s the deal, im planning to go Single turbo soon, i have a recently rebuild engine, bone stock, looking for a turbocharger that i can buy here in argentina i talked with the Holset dealer for my country and they can build me a custom turbo for a very good price, is going to be journal bearing but i can choose any size of compressor and exhaust...
here´s the deal, if you have this oportunity of building a custom turbo for a Stock 13B-REW engine, wich size you choose? im looking for 400Whp and the car is used mostly for Street and Track days
thanks! and sorry for my bad english
here´s the deal, if you have this oportunity of building a custom turbo for a Stock 13B-REW engine, wich size you choose? im looking for 400Whp and the car is used mostly for Street and Track days
thanks! and sorry for my bad english
05-14-11, 07:45 AM
#2
Savanna Rx-7
More data needed
this will determine where you want your power band to be, and from there you can decide what compressor size and trim, housing A/R, exhaust wheel size and trim, as well as exhaust housing A/R. you need to acheive that power band.
cheers
ken
05-14-11, 09:18 AM
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Mr. White, what type of track days? 1/4 mile, time attack, Gymkhana, or drift.
this will determine where you want your power band to be, and from there you can decide what compressor size and trim, housing A/R, exhaust wheel size and trim, as well as exhaust housing A/R. you need to acheive that power band.
cheers
ken
this will determine where you want your power band to be, and from there you can decide what compressor size and trim, housing A/R, exhaust wheel size and trim, as well as exhaust housing A/R. you need to acheive that power band.
cheers
ken
hi Ken, thanks for the Reply, here we call Track day to time attack events
05-14-11, 12:25 PM
#5
Racing Rotary Since 1983
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400 hp is 768 cubic feet per minute is 53 pounds per minute of airflow.
i don't know specifics on Holset but if your guy can get you something resembling Garrett compressor wheel sizing you are looking for:
GT3076 will do 52-55 pounds at 25 psi and 48 pounds at one bar
the wheel is 57mm by 76.2 and is a 56 trim
GT3582r will do 62-65 pounds at 22 psi and 56 at one bar
the compressor wheel is 61.4 by 82 and is a 56 Trim
on the hotside just put a P trim wheel in it
64.56 by 74.16
use a hot side A/R around 1 although i have no idea if that relates to Garrett. they key is for it to be 30% larger than the similar piston application.
good luck,
howard
i don't know specifics on Holset but if your guy can get you something resembling Garrett compressor wheel sizing you are looking for:
GT3076 will do 52-55 pounds at 25 psi and 48 pounds at one bar
the wheel is 57mm by 76.2 and is a 56 trim
GT3582r will do 62-65 pounds at 22 psi and 56 at one bar
the compressor wheel is 61.4 by 82 and is a 56 Trim
on the hotside just put a P trim wheel in it
64.56 by 74.16
use a hot side A/R around 1 although i have no idea if that relates to Garrett. they key is for it to be 30% larger than the similar piston application.
good luck,
howard
05-14-11, 12:46 PM
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400 hp is 768 cubic feet per minute is 53 pounds per minute of airflow.
i don't know specifics on Holset but if your guy can get you something resembling Garrett compressor wheel sizing you are looking for:
GT3076 will do 52-55 pounds at 25 psi and 48 pounds at one bar
the wheel is 57mm by 76.2 and is a 56 trim
GT3582r will do 62-65 pounds at 22 psi and 56 at one bar
the compressor wheel is 61.4 by 82 and is a 56 Trim
on the hotside just put a P trim wheel in it
64.56 by 74.16
use a hot side A/R around 1 although i have no idea if that relates to Garrett. they key is for it to be 30% larger than the similar piston application.
good luck,
howard
i don't know specifics on Holset but if your guy can get you something resembling Garrett compressor wheel sizing you are looking for:
GT3076 will do 52-55 pounds at 25 psi and 48 pounds at one bar
the wheel is 57mm by 76.2 and is a 56 trim
GT3582r will do 62-65 pounds at 22 psi and 56 at one bar
the compressor wheel is 61.4 by 82 and is a 56 Trim
on the hotside just put a P trim wheel in it
64.56 by 74.16
use a hot side A/R around 1 although i have no idea if that relates to Garrett. they key is for it to be 30% larger than the similar piston application.
good luck,
howard
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