injector cups - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 11-27-2012, 06:53 AM   eBay Motors  #1 (permalink)
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injector cups

is there any aftermarket injector cups for an lb7? advantage/disadvatage?
or is a stock set perfectly fine.. lookin for some info..and help is appreciated.
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03 lb7 ccsb 4x4 inch lower than stock 20" mkw's 305/50/20 cooper zeons
auto meter boost/pyro/trans gauges- traction bars- 5'' DE 5" to 7" black mitre cut stack- PPE BIV- AD II 200 lift pump- edge insight CTS- spectre CAI- 45% over injectors- LMM cp3 & FPR -EFI live dsp5 from tony burkhard and danville performance
suncoast stage 4 trans, goerend "ML style" triple disc billet converter
Passin' 35psi on stock IHI with 290k on it
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Old 11-27-2012, 07:42 AM   eBay Motors  #2 (permalink)
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Industrial Injection offers aftermarket heads that have screw in cups. This would keep them from lifting, but I have yet to hear of anyone using them. Most use a stock set and silicone the hell out of them.
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Old 11-27-2012, 08:35 AM   eBay Motors  #3 (permalink)
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right on, i can get my heads machines for the torque thrust inj cups but i havent really heard of any one lifting the cups while the injectors are in either.. i guess ill just get some stockers and call er good.. pulling remaining cups out today. thanks for the help
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Eddie "boost master"
03 lb7 ccsb 4x4 inch lower than stock 20" mkw's 305/50/20 cooper zeons
auto meter boost/pyro/trans gauges- traction bars- 5'' DE 5" to 7" black mitre cut stack- PPE BIV- AD II 200 lift pump- edge insight CTS- spectre CAI- 45% over injectors- LMM cp3 & FPR -EFI live dsp5 from tony burkhard and danville performance
suncoast stage 4 trans, goerend "ML style" triple disc billet converter
Passin' 35psi on stock IHI with 290k on it
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Old 11-27-2012, 08:41 AM   eBay Motors  #4 (permalink)
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You can get the screw in ones from industrial, but to install them you would have to remove the heads and have machined. They screw in. Only really needed on high horse power motors. Stock sleeves are totally fine. Just make sure you use sleeve retainer to install them. Loc tite makes the sleeve retainer. It is green. Sets up once you put coolant back in. The coolant acts like a activator. Do not use silicone.
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Old 11-27-2012, 08:43 AM   eBay Motors  #5 (permalink)
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We have stock cups on even maxd out.


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Old 11-27-2012, 09:24 AM   eBay Motors  #6 (permalink)
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What kind of boost are you guys running on maxd out. Just wondering, to have an idea of how much boost a stock sleeve is holding up to.
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Old 11-27-2012, 09:32 AM   eBay Motors  #7 (permalink)
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90-110 depending on what tune


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Blackout :06 GMC lbz 4x4 Built motor, HSP twins, DDP Injectors, Self built trans 11.68@118.5
Over Built :07 Chevy lbz 4x4 Caged and built 10.42@134
The Car: 2014 Chevy Cruze 2.0 Diesel
Special thanks to: Mike L, Gtrippin, IdahoRob, Dmaxstore, HSP, ISSPRO, Yukon, Airdog

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Old 11-27-2012, 09:42 AM   eBay Motors  #8 (permalink)
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Thanks, good info to know.
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Old 11-27-2012, 10:06 AM   eBay Motors  #9 (permalink)
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Shouldnt i use hi temp red lok tite gel on my injector cups?
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Eddie "boost master"
03 lb7 ccsb 4x4 inch lower than stock 20" mkw's 305/50/20 cooper zeons
auto meter boost/pyro/trans gauges- traction bars- 5'' DE 5" to 7" black mitre cut stack- PPE BIV- AD II 200 lift pump- edge insight CTS- spectre CAI- 45% over injectors- LMM cp3 & FPR -EFI live dsp5 from tony burkhard and danville performance
suncoast stage 4 trans, goerend "ML style" triple disc billet converter
Passin' 35psi on stock IHI with 290k on it
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Old 11-27-2012, 11:02 AM   eBay Motors  #10 (permalink)
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I've always heard of using the green loc tite but I'm no rocket scientist...
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