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06 Silverado On3 Turbo Questions

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Old Apr 24, 2015 | 12:40 PM
  #21  
George C....'s Avatar
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Originally Posted by 08lambochevy
Naw man it wasnt that, i put a different 44mm wastgate on and it holds 8psi constant

Yea i had alot of ppl tell me about them but i figured i would try it anyways cuz i wanted to kinda do a full review on them, when i called for the scaling chart i was told there the same as sema deka 55's but they said FoMoCo on them and the part number came up as 42lb injectors at 43psi fuel pressure
FYI most injectors on the market are FOMOCO that are reworked

a green top 42lb for injector are 48-49lb injectors at 58 base
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Old Apr 24, 2015 | 12:41 PM
  #22  
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Originally Posted by 08lambochevy
Yea a 44mm wastegate(comes with the kit) is the wrong size for a stock 4.8 with a 70mm turbo and being placed where they have it on there manifold must be wrong on my end too

Yea this net is a great place huh
never said the on3 turbo kit is a fine piece, only stated their parts work just fine for budget

fact i think we made the most power from On3 parts
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Old Apr 24, 2015 | 01:03 PM
  #23  
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Originally Posted by George C....
never said the on3 turbo kit is a fine piece, only stated their parts work just fine for budget

fact i think we made the most power from On3 parts
Well you didnt have a problem stating that my wastgate wasnt correct sizing and that placement was wrong without even knowing anything about my setup, and thats great that it works for you but it failed on me and several other people after reading up on them, and it still doesnt excuse the fact that i can no longer reach them since i started having problems, but yes there kits do work, i changed a few parts that weren't working and its all good now
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Old Apr 24, 2015 | 01:05 PM
  #24  
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Originally Posted by George C....
FYI most injectors on the market are FOMOCO that are reworked

a green top 42lb for injector are 48-49lb injectors at 58 base
These weren't green top, that actually looked like stock injectors pulled straight from a mustang
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Old Apr 24, 2015 | 02:26 PM
  #25  
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Originally Posted by 08lambochevy
Well you didnt have a problem stating that my wastgate wasnt correct sizing and that placement was wrong without even knowing anything about my setup, and thats great that it works for you but it failed on me and several other people after reading up on them, and it still doesnt excuse the fact that i can no longer reach them since i started having problems, but yes there kits do work, i changed a few parts that weren't working and its all good now
yes they are hard to reach and really not worth dealing with except to get the goods


as for working alot of time its user error or installation, so have to base ppls issues of the owner when you first read up on these things
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Old Apr 24, 2015 | 02:33 PM
  #26  
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So if im ganna run the 76mm turbo option what injectors should I get and what waste gate would you guys recommend if I'm only ganna run around 9-10lbs of boost?
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Old Apr 24, 2015 | 03:36 PM
  #27  
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Siemens Dekas are a good brand and are on the budget side, youd be fine with 60s but if you plan on going more boost go with 80s. I runs 80s in my truck and my tuner had no issues with them. I bought my set new off ebay
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Old Apr 24, 2015 | 03:47 PM
  #28  
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look at injectors as power level

60s will get ya high 600s low 700s

80s will get ya high 800s

1000s will get ya 1000


all this changes on E85 thou
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Old Apr 24, 2015 | 05:02 PM
  #29  
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Originally Posted by ChevyBlake06
So if im ganna run the 76mm turbo option what injectors should I get and what waste gate would you guys recommend if I'm only ganna run around 9-10lbs of boost?
You were planning on running e85 so id go with the 80s, and i think with a 76mm you should still be okay with a 44mm wastegate
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Old Apr 29, 2015 | 01:11 PM
  #30  
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80's run out of steam fast on E85...I've seen too many 4.8's run out of injector with 80's on E85 when they weren't even running a crazy amount of boost.

Unfortunately if you want to run E85 (and it's awesome so if you can get reliably...go for it), you need to spend more on injectors.
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