160 is really low. 180-185 might be ok but stock for emissions would be best.

You have better emmissions at higher temps. Lower temps give you better BOOMs smile

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1986 Toyota 4x4 22wEBer
Ported EB Offroad H/O Head "Josh Cam"
Ported Intake & Weber38mm Carb
LCE Header & 2.25in Exhaust
RB 1" BL, RS5000, SAW Tbars

2011 FJ Cruiser - SOLD