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Havasukona455

  • Karma: +4/-0
olds 455 question
« on: June 18, 2012, 09:42:42 AM »
hey guys. just had the motor rebuilt and very pleased with it. just wondering on what rpm range i should be looking at with a pretty much stock 455 with a 510 in. clay smith cam and a holley 650
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its got a big block, berkeley jet and just removed the seat belts to make it go faster

mobboss

  • Karma: +15/-0
Re: olds 455 question
« Reply #1 on: June 18, 2012, 09:47:46 AM »
nothing over 5000 rpms  prob in the 3500 to 4 range all day.
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  • Boat #1: boat less
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GlassCutter

  • Karma: +31/-0
Re: olds 455 question
« Reply #2 on: June 18, 2012, 10:18:34 AM »
I bought one from a board member and it seems to be pretty well built, nothing too racey.  I only see about 4400 with Weiand single plane, 750 carb and logs.  "A" pump I think.

But this one holds oil pressure and doesn't know so I kinda like it so far  8)
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  • Boat #1: 1973  Wriedt Montara 23
  • Boat #2: 1978 Spectra 20 460/Berkley
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Also, I will kiss bare male ass in the middle of the Vegas Strip  . . .  I will post pics if I need to.  --  IRRebel 2013

"Go ahead Rivertard does it.  Take a video though."

"If you did it in a dodge it would have shifted perfectly ran a thousand miles per hour and got optimum fuel mileage!"  Nordie  2012

Havasukona455

  • Karma: +4/-0
Re: olds 455 question
« Reply #3 on: June 18, 2012, 11:09:12 AM »
okay cool. i had the boat oout yesterday and with me and the ol lady it turned about 43 to 4500. the 4500 was with just me in it. i had it out a month ago and the river and i raced the boat against our stx-15f and was ahead of it. my brother said he was doing about 60 to 62 but not sure thats correct
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its got a big block, berkeley jet and just removed the seat belts to make it go faster

GlassCutter

  • Karma: +31/-0
Re: olds 455 question
« Reply #4 on: June 18, 2012, 12:58:15 PM »
My boat is huge and heavy.  43-4500 rpm probably more like about the same MPH.
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  • Boat #1: 1973  Wriedt Montara 23
  • Boat #2: 1978 Spectra 20 460/Berkley
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Also, I will kiss bare male ass in the middle of the Vegas Strip  . . .  I will post pics if I need to.  --  IRRebel 2013

"Go ahead Rivertard does it.  Take a video though."

"If you did it in a dodge it would have shifted perfectly ran a thousand miles per hour and got optimum fuel mileage!"  Nordie  2012

mattymx

  • Karma: +0/-0
Re: olds 455 question
« Reply #5 on: June 20, 2012, 09:17:19 AM »
What spark plugs are you using?
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GlassCutter

  • Karma: +31/-0
Re: olds 455 question
« Reply #6 on: June 20, 2012, 02:14:42 PM »
Dunno but I am taking it to 5000+ ft. this weekend which oughtta make her run a bit rich.   I hope I don't have to look at what kind of spark plugs I have   O0
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  • Boat #1: 1973  Wriedt Montara 23
  • Boat #2: 1978 Spectra 20 460/Berkley
  • Like
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Also, I will kiss bare male ass in the middle of the Vegas Strip  . . .  I will post pics if I need to.  --  IRRebel 2013

"Go ahead Rivertard does it.  Take a video though."

"If you did it in a dodge it would have shifted perfectly ran a thousand miles per hour and got optimum fuel mileage!"  Nordie  2012

mattymx

  • Karma: +0/-0
Re: olds 455 question
« Reply #7 on: June 21, 2012, 10:40:57 PM »
Quote from: GlassCutter on June 20, 2012, 02:14:42 PM
Dunno but I am taking it to 5000+ ft. this weekend which oughtta make her run a bit rich.   I hope I don't have to look at what kind of spark plugs I have   O0


Where are you going?  5000ft sounds like Arrowhead.  If you come to Big Bear, let me know..
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