38' AVS speeds?
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I built some engines recently for a 38' AVS. 565's making over 725HP,'
Curious what others have for power and what speeds you're running? Also, what gear ratio? Any other AVS with ITS boxes and shorties? Thanks in Advance, Pic for attention. |
No one looking to share their experience?
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I have a '99 AVS... 540 Mercury Bulldogs, extension boxes and labbed 30's. Best I've seen is 81 with light fuel on one last blast late in the year when it was cool. Curious to hear the final numbers on the boat with your mills.
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Thanks for the info. Once the transom work is completed I'll be able to post some numbers.
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This past weekend the boat ran 87mph with a small chop, 6 people on board and full of fuel. AFR is also showing rich (12:1). Air temp was around 90 with high humidity. I think 90mph will be possible after some fine tuning with better weather and water conditions.
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i have 89 38
pair of 547s , about 700hp boat ran 82 , flat water , 4 people, full tank of gas standard trs drives hyrod 4 blade 26 5600 rpm hoping to see 85 some chop less peeple less gas |
I would think that you will make it there. A friend of mine has one with some 650's and he's seen 83/84 but low 80's consistently.
Our setup was 84/85 any day of the week and 87 being the top number. We're shooting for 90mph this year with some engine upgrades. |
Originally Posted by flashgordon
(Post 4671256)
i have 89 38
pair of 547s , about 700hp boat ran 82 , flat water , 4 people, full tank of gas standard trs drives hyrod 4 blade 26 5600 rpm hoping to see 85 some chop less peeple less gas |
straight vee bottom
Originally Posted by Rookie
(Post 4671410)
That's a 38' straight bottom hull, right? So, it appears that the AVS is worth about 7-10mph?
dont know exact numbers , but have heard step bottom is good 5mph plus over straight vee... flash .out |
i got 555 ci with 800 hp with xz drives boat runs 94
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