Biggest Turbo On A Rotary
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You said you have a T51 SPL on your car DiaperBoy, the turbo in that picture is supposed to be a GT42, which comes in two trims, 53 trim compressor is the larger, which has a 2.925 / 74.3 inducer and 4.016 / 102.0 exducer, with an 84 turbine, 2.961 / 75.2 exducer, and a 3.228 / 82.0 major with a .81 A/R(not certain on that). That is for the Garret spec turbo, at least, supposedly the turbo is modified by Magnus Motorsports, but I dont know what they did to it. Considering those facts its a big larger than a T88H for the compressor, and a tad smaller on the turbine. The T51R SPL is a 3.012 / 76.5 Inducer, 4.024 / 102.2 Exducer on the compressor and 2.811 / 71.4 exducer, and 3.228 / 82.0 major on the turbine, which makes the T51R SPL larger on the turbine and same size on the compressor. The smaller compressor size is what I think gives the HKS generally wee bit faster spool up time than a Greddy T88H turbo, while still allowing them to flow a lot of air. Im sure there are some large frame turbos run on rotaries that are even bigger but as far as the largest turbos for kits that regular people would put on their 2 rotor it would go about like T78, T51R KAI, T72, T88, GT42, and T51R SPL.
i have this garret turbo i'm not sure the exact compressor dimensions but i do know that the compressor side has a 3.5 inch opening with a .95 a/r the hot side is undivided and is a 1.39 a/r with a 4.5 inch exit.. I'm thinking of puting it on a 20B. but currently i need a smaller turbo for my 13B for 550 horse. does any one have a clue about what it could be. or whether its worth it..
Last edited by astrochild7; Aug 18, 2003 at 11:03 PM.
I dont know for certain, but I think 180SX isnt the 240SX in the United States. The Silvia 14 and 15 are the 240SX in the US, the 240SX in the US has the RB20DE non turbo engine only.
Originally posted by Icemastr
I dont know for certain, but I think 180SX isnt the 240SX in the United States. The Silvia 14 and 15 are the 240SX in the US, the 240SX in the US has the RB20DE non turbo engine only.
I dont know for certain, but I think 180SX isnt the 240SX in the United States. The Silvia 14 and 15 are the 240SX in the US, the 240SX in the US has the RB20DE non turbo engine only.


