Twin cam isx 870
02-25-2024, (Subject: Twin cam isx 870 ) 
Post: #1
Twin cam isx 870
I have a 2007 twin cam isx 870 that since I have owned in the past three years I have had to put three heads on it in witch all have cracked all six injector tubes putting pressure into my cooling system the truck is mandated it is a factory 435 and was told it is turned to 500hp I hope I have all this worded correctly
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02-25-2024, (Subject: Twin cam isx 870 ) 
Post: #2
RE: Twin cam isx 870
How much max boost is it making? You said it's still mandated, but the horsepower is "turned up" how exactly was that done and by who?
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02-25-2024, (Subject: Twin cam isx 870 ) 
Post: #3
RE: Twin cam isx 870
I have seen it go to 33 but then comes back to 30 and holds and maybe I have that worded wrong maybe I should have said it’s mandate and I’m not sure on who or how I know my local shop has had a computer on it and in the computer it says that’s what it is at
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02-25-2024, (Subject: Twin cam isx 870 ) 
Post: #4
RE: Twin cam isx 870
what is the engine ser#?.

also, only 33/30 psi boost ... it is in a severe derate.

sounds to me like incompetence by whoever is working on it more than anything.


make/model truck, maybe some history, etc etc.

and if someone changed the program for more HP.. for all anyone knows it could be a program for different injectors and different head, etc.

what is the program in it according to Insite?.

and are those certified OEM heads from OEM stealers$it?. - if not then your pi$$ing in the wind with garbage any ways.


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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