BnR, '99 SPEC, AND STOCK TWINS COMPARISON... HELP PLEASE...
02-14-07, 04:22 PM
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eightsixlife
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BnR, '99 SPEC, AND STOCK TWINS COMPARISON... HELP PLEASE...
HI I WAS WONDERING HOW THE DIFFERENT TYPES OF TWIN TURBOS COMPARE TO EACH OTHER, AS FAR AS SPOOLING UP AND TOP END... IM WONDERING ABOUT THE BnR'S, EFINI 99 SPECS AND THE STOCK TWINS, IF YOU HAVE ANY INFO OR HELP I WOULD APPRECIATE IT, THANKS...
02-14-07, 05:13 PM
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Originally Posted by eightsixlife
HI I WAS WONDERING HOW THE DIFFERENT TYPES OF TWIN TURBOS COMPARE TO EACH OTHER, AS FAR AS SPOOLING UP AND TOP END... IM WONDERING ABOUT THE BnR'S, EFINI 99 SPECS AND THE STOCK TWINS, IF YOU HAVE ANY INFO OR HELP I WOULD APPRECIATE IT, THANKS...
02-14-07, 05:38 PM
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hi! i've knightsport RF420 turbos...are you interested ?
Are they adapted to the oem turbine housing, or do they use a different turbine housing?
02-15-07, 04:44 AM
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i post pics in this 3d.... https://www.rx7club.com/rotary-car-performance-77/knightsports-rf420-pics-623601/
REINFORCED TURBINE, RF420 HIGH FLOW
When an engine eqipped with factory installed turbochargers runs at high speeds,
boost pressure tends to drop due to lack of turbine capacity.
In addition, the size of FD3S turbine shaft is smaller compared FC3S.
Under high boost pressure operations, this may cause serious turbocharger failure.
To avoid this potentially serious problem,
KNIGTHSPORTS engineers designed a stornger turbine shaft and parts,
which allowed us to offer the best matching high flow compressor wheel after numerous testing with a computerized VSR balancing machine. \312,900
Deatails ＲＦ４２０ ノーマル Remarks
Major(compressor) 60.1MM 57.0MM 5%UP
Inducer 47.4MM 42.1MM 12%UP
Bearing 9.17MM 7.75MM 18%UP
Major(shaft) 5.96MM 4.97MM 19%UP
inlet size 46.8MM 42.55MM 10%UP
REINFORCED TURBINE, RF420 HIGH FLOW
When an engine eqipped with factory installed turbochargers runs at high speeds,
boost pressure tends to drop due to lack of turbine capacity.
In addition, the size of FD3S turbine shaft is smaller compared FC3S.
Under high boost pressure operations, this may cause serious turbocharger failure.
To avoid this potentially serious problem,
KNIGTHSPORTS engineers designed a stornger turbine shaft and parts,
which allowed us to offer the best matching high flow compressor wheel after numerous testing with a computerized VSR balancing machine. \312,900
Deatails ＲＦ４２０ ノーマル Remarks
Major(compressor) 60.1MM 57.0MM 5%UP
Inducer 47.4MM 42.1MM 12%UP
Bearing 9.17MM 7.75MM 18%UP
Major(shaft) 5.96MM 4.97MM 19%UP
inlet size 46.8MM 42.55MM 10%UP
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