Turbo AR
02-06-2019, 04:35 PM
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Join Date: Feb 2019
Location: Wichita, Kansas
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Turbo AR Hey yall,
New member here, and new to the turbo world looking for some help.
I am building a basically stock 5.3 ls1 (just new parts), with a LJMS Stage 2 turbo cam with upgraded valve train. Will have a Holley 92mm Throttle Body. Looking into running Twin VS racing 66/73 cast turbos. It says it has an AR of .91. What exactly does that mean? I know lower is more for street cars, and higher for race car types, other than that i am lost. How will these work with my 5.3? I am building more of a street car that occasionally goes to the track.
Thanks.
New member here, and new to the turbo world looking for some help.
I am building a basically stock 5.3 ls1 (just new parts), with a LJMS Stage 2 turbo cam with upgraded valve train. Will have a Holley 92mm Throttle Body. Looking into running Twin VS racing 66/73 cast turbos. It says it has an AR of .91. What exactly does that mean? I know lower is more for street cars, and higher for race car types, other than that i am lost. How will these work with my 5.3? I am building more of a street car that occasionally goes to the track.
Thanks.
