Mazda rx-7, engine 13B, Big Street Port. Compression test, part1

[as89189]

@UnitFmX11 nooooo, these are aftermarket housing, they do add the horsepower, not sure, maybe not 50 - but at least 30 it should be giving. by the way did you know that sparco stickers add 15, and NOS decals gives 25 hp engine gain...?

[as89189]

ohhhh, blue sections adding 50 hp ?  cool )

[gav240z]

100psi?