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  1. C

    Little more valve lift

    That sounds like a very nice setup! I would say you shouldn’t have trouble hitting 300hp.
  2. C

    Little more valve lift

  3. C

    Little more valve lift

    I’m not trying to increase top end just more power at 3600 rpms. We rarely ever twist 4400. Once in a great while to get up on plane quick but then right back down to 3400-3600rpms. Seems to be the sweet spot for the boat. Im looking to increase the speed in that rpm range a bit. all great...
  4. C

    Little more valve lift

    I will be changing the props on the boat. I’m looking to maintain my cruising speed of 3400-3600rpms. Going to change the pitch and go to a 4 blade. I planned on going with studs and guide plates on the heads.
  5. C

    Little more valve lift

    That’s the plan for next year. Motors come out going Vortec with Seara iron heads Vortec intake holly sniper fuel injection. Lunati cam to finish it off. She is a rare boat as it spent most of its life in a heated shop Shrink wrapped. Stringers are mint in it. I’ve gotten many compliments on how...
  6. C

    Little more valve lift

    Sound advice, I will go that route. Thanks again!
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    Little more valve lift

    Thanks for the reply. I did the math and it looks like I can pull .030” more lift out of the valve and a bit more duration. I was hoping someone has tried it and had some pointers on who to use if it’s worth it. I definitely want the rollers to straighten up the valve train. The stock rockers...
  8. C

    Little more valve lift

    Has anyone tried to use 1.6 rockers in replacement of stock 1.5 rockers for extra valve lift instead of changing the cam. I have herd of street cars doing it but no mention that I can find of it being done in a boat. Looking to put some roller rockers in both of my 350’s instead of pulling the...
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