Quote:
Originally Posted by dwx
I was kind of curious about the throttle body size as well. I have one of the TRD S/Cs (not twinscrew, but TVS 1320), and the kit Magnuson/TRD developed uses a 15mm larger than stock TB (stock is 65mm, the kit uses an 80mm TB). It's a roots blower but similarly sized to the Sprintex 335.
I've always looked at the IC as being the restriction with the Sprintex kits, but maybe that's not accurate.
People put filters in the engine bay because it's easy, although the Sprintex kits re-use the stock airbox so it shouldn't really be necessary.
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So 325rwhp was made by way of 65mm inlet? That is outstanding! Common forced induction fundamentals will tell you the outlet (intercooler) is always the bottle neck. However with a SC especially TS compressor, it is the inlet design that holds all the magic.
So it's a 70mm MAF sensor and 65 mm TB? Inlet increases sometimes can only be made by way of standalone, as the efi negotiation with stock Ecu can not always be accomplished.
Ron