2006 ISX CM870 High Pyro, surging under load
06-19-2022, (Subject: 2006 ISX CM870 High Pyro, surging under load ) 
Post: #28
RE: 2006 ISX CM870 High Pyro, surging under load
(06-19-2022 )tree98 Wrote:  No it would still start

Okay good thanks
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06-21-2022, (Subject: 2006 ISX CM870 High Pyro, surging under load ) 
Post: #29
RE: 2006 ISX CM870 High Pyro, surging under load
(06-21-2022 )Sage91 Wrote:  Got my truck running, but its not making the turbo warm up noise, like a jet getting ready for take off, my original cm870 always did this, last 2 turbos have not have made this noise when airing up, like a nice whistle when airing up , anybody know what im talking about?

maybe it had a boost leak>??


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06-21-2022, (Subject: 2006 ISX CM870 High Pyro, surging under load ) 
Post: #30
RE: 2006 ISX CM870 High Pyro, surging under load
Usually the turbo will be open on an 870 at idle while cold. The only reason for it to close is for EGR and it won't call for EGR till it is up to operating temperature.
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06-25-2022, (Subject: 2006 ISX CM870 High Pyro, surging under load ) 
Post: #31
RE: 2006 ISX CM870 High Pyro, surging under load
if the engine has a bad de-mandate program in it then it may cause the turbo to do things it is not supposed to.


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08-11-2022, (Subject: 2006 ISX CM870 High Pyro, surging under load ) 
Post: #32
RE: 2006 ISX CM870 High Pyro, surging under load
maybe this similar thread helps...
http://rawze.com/forums/showthread.php?t...2#pid72522


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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08-11-2022, (Subject: 2006 ISX CM870 High Pyro, surging under load ) 
Post: #33
RE: 2006 ISX CM870 High Pyro, surging under load
(08-11-2022 )Sage91 Wrote:  Does cpl # 8518 and 8520 use the same turbo?

NO THEY DO NOT.

the 8518 uses turbo #4043214
the 8520 uses turbo #4036666


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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08-15-2022, (Subject: 2006 ISX CM870 High Pyro, surging under load ) 
Post: #34
RE: 2006 ISX CM870 High Pyro, surging under load
(08-14-2022 )Sage91 Wrote:  
(08-11-2022 )Rawze Wrote:  
(08-11-2022 )Sage91 Wrote:  Does cpl # 8518 and 8520 use the same turbo?

NO THEY DO NOT.

the 8518 uses turbo #4043214
the 8520 uses turbo #4036666

Thank u for the info

maybe this also helps...
ref: http://rawze.com/forums/showthread.php?t...2#pid71892


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