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Late to the thread, but figured I would throw in some info. I have been doing 20b n/a R+D for over 6 years, and over the past 6 months its really coming together. This is mostly to put a bunch of facts on the board. And to produce some of the most powerful n/a 20b's in the world for my customers (Christopher is a big one that comes to mind!)
Proven 313 rwhp 20b spec sheet-
20b with our circuit port on intake and exhaust
USED not new 9.7:1 rotors
Balanced assembly
Stock 20b stationary gears and bearings (identical to fd bearings)
110psi regulator
new stock oil pump
Our stainless 20b equal length header
Stock intake manifold, shortened stock lower manifold
Standalone of your choice
3" exhaust from header back
8000rpm
Stock apex seals
stock used rotor housings
Thats it, good to go. If you want 350rwhp+ we have done this as well, and I can help guide you in the right direction from facts and actual results.
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DEFINED AUTOWORKS
Where concept meets results
Black 1994 FD 4-rotor 610rwhp all motor
Red 1970 Mazda R-100 with 10a
Black 1974 Mazda Rx4
Black 1984 Gsl-SE 13b-re streetport 230rwhp
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