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REAL Jake on a 5.9

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Old Jun 21, 2008 | 06:47 PM
  #11  
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according to Jake Brake's website, i think the L10 is the smallest cummins offered with a Jake, HOWEVER.............. the 7.2 Cat they put in F-650 Ford trucks you can get one for.
 
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Old Jun 21, 2008 | 07:22 PM
  #12  
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Originally Posted by 2001shrtbedcummins
Might as well set your truck up to run an 8.3...they have jakes don't they? That's gonna take one big cowl hood too.
NOPE......they are just a fat 5.9......
 
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Old Jun 21, 2008 | 07:43 PM
  #13  
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Originally Posted by LOGANSTANFORTH
NOPE......they are just a fat 5.9......
That's what I was thinking....wasn't sure.
 
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Old Jun 21, 2008 | 08:19 PM
  #14  
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Well I e-mailed PacBrake's tech department about the comment Rattler made. I'll let yall know what they tell me. I don't think these companies realize how many they would sale if they actually would make one.
 
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Old Jun 23, 2008 | 08:47 AM
  #15  
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Yeah, but the R&D would far outweigh the sales profits. First comes designs, prototypes, testing, redesigns, retesting (this can go on for months, often years before a final production version is reached). Then comes the big expense, TOOLING. Figure a few million dollars, then production costs for overhead, material cost, labor cost, and warranty work.

All for a product that does nothing better than a standard exhaust brake, it just sounds cool. Even if Pacbrake ends up producing one, do you know what the cost will be just for the part? I bet at least $3,500, and probably closer to the $5k mark. Remember, they don't just bolt on, there are a lot of other necessary parts, gaskets, and adapters to install a Jake.
 
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Old Jun 23, 2008 | 03:14 PM
  #16  
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Originally Posted by MotorOilMcCall
Yeah, but the R&D would far outweigh the sales profits. First comes designs, prototypes, testing, redesigns, retesting (this can go on for months, often years before a final production version is reached). Then comes the big expense, TOOLING. Figure a few million dollars, then production costs for overhead, material cost, labor cost, and warranty work.

All for a product that does nothing better than a standard exhaust brake, it just sounds cool. Even if Pacbrake ends up producing one, do you know what the cost will be just for the part? I bet at least $3,500, and probably closer to the $5k mark. Remember, they don't just bolt on, there are a lot of other necessary parts, gaskets, and adapters to install a Jake.
Yea, you'll need a whole new head at the least.
 
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Old Jun 23, 2008 | 03:37 PM
  #17  
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Originally Posted by MotorOilMcCall
Yeah, but the R&D would far outweigh the sales profits. First comes designs, prototypes, testing, redesigns, retesting (this can go on for months, often years before a final production version is reached). Then comes the big expense, TOOLING. Figure a few million dollars, then production costs for overhead, material cost, labor cost, and warranty work.

All for a product that does nothing better than a standard exhaust brake, it just sounds cool. Even if Pacbrake ends up producing one, do you know what the cost will be just for the part? I bet at least $3,500, and probably closer to the $5k mark. Remember, they don't just bolt on, there are a lot of other necessary parts, gaskets, and adapters to install a Jake.
Don't tell him all that. He'll just think you're being a smartass.
 
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Old Jun 25, 2008 | 01:22 AM
  #18  
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the problem is the engine isnt strong enough, when a jake engages it holds the exhaust valve open, and that would rattle apart the smaller 5.9.

I think this might be one thing our beloved 5.9 might not be able to handle.

but i do think it would be a sweet thing to have.
 
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Old Jun 25, 2008 | 02:12 PM
  #19  
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Originally Posted by stkdram55
the problem is the engine isnt strong enough, when a jake engages it holds the exhaust valve open, and that would rattle apart the smaller 5.9.

I think this might be one thing our beloved 5.9 might not be able to handle.

but i do think it would be a sweet thing to have.
The block and head could handle it, but you'd surely need studs, and a ton of machining to the head, if not a whole new casting...

Why don't you just ask somebody to invent something that sticks in your exhaust pipe and makes the jake noise when you flip a switch. They have those whistlers you stick in your muffler to make it sound like you have a turbo... It'd be way cheaper than trying to fit a real jake.
 
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Old Jul 21, 2009 | 07:45 PM
  #20  
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i know this is an old thread, but i was wondering if anyone would be interested in a set of jakes for the 12 valve cummins, i have a set of jakes off of a cummins 350 small cam, and i am going to try machining valve covers to hold the electronic actuators for a set of jakes.
 
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