L31MaxExpress
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    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Your cam has more duration than mine does. The BBK throttle body has a very aggressive tip-in off idle. Light touch of the pedal and...
    • L31MaxExpress
      L31MaxExpress replied to the thread Intake swap thought.
      Whoever told you that does not have a clue! Its nothing to do with air/fuel. It has to do with intake resonance and combined runner...
    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      My cam is 271/284 @ 0.006, about 218/224 @ 0.050 and 0.578/0.510 lift with a 1.7/1.5 rocker ratio split, 108 LSA and 106 ICL. Larger...
    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      One other attention to detail thing I missed on this intake. I will break out my machinest scribe, my grinder and carbides. That red...
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    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Its just hard to want to put alot more cam into it to really take advantage of that intake. The way this engine tugs at 1,000 rpm in...
    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Hopefully fixed an issue that has plagued me since this inexpensive score went on even my old 350. GM PCM can command 310 steps on the...
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    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      It has enough of a leak you can see the trail of coolant seeping down from between the valve springs. Coolant is puddeled up around the...
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    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Well my goal of getting it fired up today is not going to happen. Discovered I still have a head bolt seeping coolant. Going to bite...
    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      I added like 50% to the 100kpa, then interpolated up to 20KPA, making the steps between larger.
    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Rear of the engine is starting to come apart now. Truck manifold and valve covers should be off in about 1 hour after I take a break...
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    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Since I am taking a break on the back here, will answer. I have had 2 of these. One came from a man in Oklahoma back in 2013ish. He...
    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Emissions, they started doing a visual which the marine failed. Its 25 years old now, so exempt in the state of Texas. The transient...
    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Started on it about 11:30 am after it warmed up outside after breakfast. Coolant is still draining from the engine block. Glove box...
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    • L31MaxExpress
      L31MaxExpress replied to the thread Marine Intake.
      Pure Choice
    • L31MaxExpress
      I am in Texas and the only colors I have noticed are Black or Red for Gasoline, Blue for E15, Yellow for E85 and Green for Diesel. That...
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