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Old 07-16-2018, 11:01 AM   #41
i-r-truckdriver
 
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Originally Posted by Rig Wrench View Post
800 IS NOT POSSIBLE with an isx, especially with vgt. Cant be done

i-r-truckdriver. Sell all that big cam stuff and swap in a d12 or better. 1000hp all day long on a gt45.
I don't know why I would stop there, I have access to a wonderful maxxxxxxforce and the stock gt38 from off my old 7.3. These guys wont know what hit them
 
Old 07-16-2018, 11:14 AM   #42
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Originally Posted by jfaulkner View Post
Can you remember your own address or is your brain littered with part numbers and specs about an engine from 1976?
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Originally Posted by SmokinCAT View Post
It’s in there somewhere.
Not going to lie, I was laughing at this. I get asked the same crap.

Chris
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Old 07-16-2018, 11:23 AM   #43
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Pump work I would talk to Jim at diesel controls, tell him what you want and he can build about anything for you.
 
Old 07-16-2018, 11:37 AM   #44
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Quote:
Originally Posted by Rig Wrench View Post
800 IS NOT POSSIBLE with an isx, especially with vgt. Cant be done

i-r-truckdriver. Sell all that big cam stuff and swap in a d12 or better. 1000hp all day long on a gt45.
Easy with VGT.

850 from 855 with HT4 is also easy and can pull trailer.
 
Old 07-16-2018, 11:45 AM   #45
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Easy with VGT.

850 from 855 with HT4 is also easy and can pull trailer.
Do it.
 
Old 07-16-2018, 11:59 AM   #46
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Easy with VGT.

850 from 855 with HT4 is also easy and can pull trailer.

Is that Canadian horsepower?
 
Old 07-16-2018, 12:37 PM   #47
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Pump work I would talk to Jim at diesel controls, tell him what you want and he can build about anything for you.
I'm not sure I know what I want at this point. I guess a good place to start is what is the capacity of those injectors you have available?

what secret squirrel stuff do I need to turn this engine beyond 3k rpm? You know without valves making out with pistons
 
Old 07-16-2018, 12:51 PM   #48
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Originally Posted by Rig Wrench View Post
800 IS NOT POSSIBLE with an isx, especially with vgt. Cant be done


To put that in perspective this is a stock C12.......Click the image to open in full size.


Building an 800hp ISX is like shoving a bowling pin up your arse, just because you can doesn’t mean you should. And if you do your probably going to need a diaper to catch what leaks from both.
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Flipping your mirrors up when you don't tow? That serves no purpose other than to let me know that you are a douche, from a distance.
 
Old 07-16-2018, 12:54 PM   #49
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Easy with VGT.



850 from 855 with HT4 is also easy and can pull trailer.


Quote:
Originally Posted by SmokinCAT View Post
Do it.


LMAO!! This ladies and gentlemen is CLASSIC Leiffi. He will puke this BS out and NEVER back it up. He’s never seen an 850hp 855 let alone tried to work one.
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Flipping your mirrors up when you don't tow? That serves no purpose other than to let me know that you are a douche, from a distance.
 
Old 07-16-2018, 01:40 PM   #50
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LMAO!! This ladies and gentlemen is CLASSIC Leiffi. He will puke this BS out and NEVER back it up. He’s never seen an 850hp 855 let alone tried to work one.
Hes talkin euro hp. Duh waay different
 
Old 07-16-2018, 01:57 PM   #51
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LMAO!! This ladies and gentlemen is CLASSIC Leiffi. He will puke this BS out and NEVER back it up. He’s never seen an 850hp 855 let alone tried to work one.
Everything is backed up.
 
Old 07-16-2018, 02:13 PM   #52
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Do it.
I dont work antique trucks.

But if they let us participate, we will be in Quebec races summer 2019 with modern engine.
 
Old 07-16-2018, 03:21 PM   #53
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To put that in perspective this is a stock C12.......Click the image to open in full size.
speaking of c12. Any special rebuild kit or parts needed to make it live a happy vocational life (dump truck) around 500 maybe 550hp? Currently at factory 430hp. Never had any power complaints until the new truck got done. New truck has a bxs set at 550.
 
Old 07-16-2018, 05:10 PM   #54
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I dont work antique trucks.



But if they let us participate, we will be in Quebec races summer 2019 with modern engine.
Lol who’s we? You and one of your imaginary friends like your infamous L10 race truck that you had zero part in?

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Originally Posted by Leiffi View Post
Everything is backed up.

What’s it feel like to be an idiot?
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Flipping your mirrors up when you don't tow? That serves no purpose other than to let me know that you are a douche, from a distance.
 
Old 07-16-2018, 05:18 PM   #55
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speaking of c12. Any special rebuild kit or parts needed to make it live a happy vocational life (dump truck) around 500 maybe 550hp? Currently at factory 430hp. Never had any power complaints until the new truck got done. New truck has a bxs set at 550.


Would have to do some digging but there is a 15:1 pack with Monotherm piston for the NFL and C1Z marine C12
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Flipping your mirrors up when you don't tow? That serves no purpose other than to let me know that you are a douche, from a distance.
 
Old 07-16-2018, 06:17 PM   #56
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Would have to do some digging but there is a 15:1 pack with Monotherm piston for the NFL and C1Z marine C12
I know i'm playing both sides of the fence here so don't hate. How much low end will be lost with going to a 15:1 vs stock 16:1? I don't know what type of piston comes stock so i'm guessing the 1pc monotherm is a good improvement. Only reason I ask is truck is coming up on 30k hours and hasn't been touched. Getting to have quite a bit of blowby so the time is near. We do like the way it currently runs but being a dump truck that frequently runs off road with 3.90 gears legal gross 73k. I don't really know how much lugging ability we can give up for a little more up top.

Last edited by i-r-truckdriver; 07-16-2018 at 06:20 PM.
 
Old 07-16-2018, 07:30 PM   #57
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To put that in perspective this is a stock C12.......Click the image to open in full size.


Building an 800hp ISX is like shoving a bowling pin up your arse, just because you can doesn’t mean you should. And if you do your probably going to need a diaper to catch what leaks from both.
No building it. Just tune. Unless you concider an aftermarket exhaust manifold building the engine
 
Old 07-16-2018, 07:31 PM   #58
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I know i'm playing both sides of the fence here so don't hate. How much low end will be lost with going to a 15:1 vs stock 16:1? I don't know what type of piston comes stock so i'm guessing the 1pc monotherm is a good improvement. Only reason I ask is truck is coming up on 30k hours and hasn't been touched. Getting to have quite a bit of blowby so the time is near. We do like the way it currently runs but being a dump truck that frequently runs off road with 3.90 gears legal gross 73k. I don't really know how much lugging ability we can give up for a little more up top.
Never notice it. Especially if its tuned after
 
Old 07-16-2018, 07:37 PM   #59
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Have the followers been done yet?

Sent from my SM-G965U using Tapatalk
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Old 07-16-2018, 07:48 PM   #60
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Have the followers been done yet?

Sent from my SM-G965U using Tapatalk
Not 100% sure. We have only owned the truck for the last 6-7 years. I haven't done them but do keep up on the overhead
 
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