*Stock 61x
*Protec black cast pipe
*44sbn 120p 145m 2 turns out both (FP settings)
*Single cooling inlet to dual inlet Protec exhaust manifold
Runs great, 10hrs on motor
On 1/4-3/4 throttle most times
89* brackish river water
90* air temperature
Seeing
150-165 cyl head/cyl temps
170 top of...