Project: Tuned Port Fuel Injection (TPI) on my boat

[Scott Danforth]

Re: Project: Tuned Port Fuel Injection (TPI) on my boat

Yes, as stated above, the stoich is base line for the ecm. The dozen or so additional tables add or subtract from that based on engine conditions.

I've drag raced for the last 18 or so years of my life and built many of sbc's. As I'm sure you know, the 5.0 shares the exact same stroke and rod length as the 5.7 The only difference would be in the bore size. I prefer the smaller bore for fuel economy, the thicker webbing as a result of smaller bore for durability and concentrate on my parts combination to improve efficiency to make up for number of cubes.

I love my 5.0 :lol:

Remember, a boat motor is more like a tow truck motor pulling a motor home up a constant 10% slope vs a high RPM 1/4 mile drag motor. Prop curves love flat torque curves.

tune and setup accordingly