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35' Mistress performance

Old 11-21-2016, 12:52 PM
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Originally Posted by EightSecv6
I have an 86 Mistress. It had Hawk power originally when I got it (540s) made about 600 give or take, with transmissions and SSM3 drives. It would run 72. I freshened them to what I assume was about 700 and it would run 78 and I did get it to go 80 a couple times. I currently have 580s in with 10-71 blowers at 6psi and I believe it is probably making about 950, will run a tick over 90 all day in pretty much any condition
Thats awesome ur seeing 90 in a mistress. Mine with full teak cabin 630hp 572s and #3s would run hi 70s in chop.

What drives you running
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Old 11-21-2016, 04:07 PM
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nice....
Originally Posted by tommymonza
There's a guy on here that built some Junk Yard 540s in his Lawnmower shed with a pair of vise grips and a multitool that is running 72.

Can't remember his name on the site.

Use the search button.
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Old 11-21-2016, 04:11 PM
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With 420's I saw 64 mph with 23 Mirage props at 5000 rpm, with 598 Hp I saw 73.7 @5500 rpm, current power was 73.5@5500.... working on more now as they did not perform properly..

TRS boat, with A/c usually half tank of fuel, trimmed to the moon, takes TONS of trim to see good speeds get that bow up... on MY indicators it goes fastest with drives around the 7-8 Mark

The Scarab don't compare in ride quality, you made the better choice..
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Old 11-21-2016, 04:52 PM
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This is my friend Ralph's 1985 Mistress it now has a pair of fresh 500hp 468cu Chevy's & Trs drives.run's 60mph.
Attached Thumbnails 35' Mistress performance-cig-r-6523.jpg  
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Old 11-21-2016, 04:57 PM
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Looks like my buddy's old boat from Ohio, should run mid 60's or better with 500 ish HP
Originally Posted by h2oboater
This is my friend Ralph's 1985 Mistress it now has a pair of fresh 500hp 468cu Chevy's & Trs drives.run's 60mph.
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Old 11-21-2016, 05:07 PM
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Originally Posted by h2oboater
This is my friend Ralph's 1985 Mistress it now has a pair of fresh 500hp 468cu Chevy's & Trs drives.run's 60mph.
Tell Ralph don't change a thing ............love that old skool look!!
Mine hits 80 consistently .. chevy 572 tall boys na 650 hp Kevlar hull
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Old 11-21-2016, 05:11 PM
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Did you ever weigh it? Dyno sheets? That's awful fast for 660, but I think Kevlar ones are about 800-1000 lbs lighter so that's a good mph gain
Originally Posted by scippy
Tell Ralph don't change a thing ............love that old skool look!!
Mine hits 80 consistently .. chevy 572 tall boys na 650 hp Kevlar hull
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Old 11-21-2016, 05:15 PM
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Originally Posted by Full Force
Did you ever weigh it? Dyno sheets? That's awful fast for 660, but I think Kevlar ones are about 800-1000 lbs lighter so that's a good mph gain
Hey Tim..........Didn't weigh her yet, but I'm curious as well..........I have the dyno sheet will post it later
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Old 11-21-2016, 05:17 PM
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Originally Posted by scippy
Tell Ralph don't change a thing ............love that old skool look!!
Mine hits 80 consistently .. chevy 572 tall boys na 650 hp Kevlar hull
Pete I finally saw Ralph yesterday, he is very happy with it's looks & performance. Ralph had a new engine hatch sun pad made for 5k so you know he must like that old school look....
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Old 11-21-2016, 05:26 PM
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Originally Posted by h2oboater
Pete I finally saw Ralph yesterday, he is very happy with it's looks & performance. Ralph had a new engine hatch sun pad made for 5k so you know he must like that old school look....
Mark is that the new sun pad in the picture?............excellant!!!

Tim here's a copy of the dyno sheet ..........the engines are running efi Arizona speed & marine..........SSM 3A's drives
Attached Thumbnails 35' Mistress performance-img_9215.jpg   35' Mistress performance-img_9220.jpg  
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