SS Specific Service Issues/Repairs Service/Repairs specific to the SS. Turbo-Brembo Brakes-2.0 Engine-Limited Slip Differential-Programmable Display-MU3 Transmission

Injector size

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Old Mar 26, 2011 | 04:19 PM
  #1  
ssdivin's Avatar
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From: Houston
Injector size

Anyone know the injector size for the 08 ss
Old Mar 27, 2011 | 12:10 AM
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Jaxon's Avatar
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There are no aftermarket injectors at this time. Since its gdi you cant just swap injectors. The stock injectord will flow more than you will ever need for stock turbo.
Old Mar 27, 2011 | 12:22 AM
  #3  
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Installing a pte 55/57 turbo ect ect worried about fuel
Old Mar 27, 2011 | 06:37 AM
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I can't remember where in the forums it is, but I thought we had 30LB injectors and it was found out that even with a turbo swap, the OE injectors were fine, since they arn't working at capacity to begin with.

AsK HHRSSouth, he just bolted up a larger turbo and is still running the OE fuel delivery system(rail, pump, injectors).
Old Mar 27, 2011 | 07:07 AM
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You shouldn't have any fuel problems especially with the injector angle tables that have been released recently. Before the tables were released, an LNF cobalt made about 450whp on 91 octane with the 5557. It's all in the tune.

In the GM build book, the injectors are listed at 20cc/min at 1450psi.
Old Mar 27, 2011 | 07:28 AM
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Panel, does this really apply to us? More can be gained with simple timming using HPT. Unless there are bigger injectors, pistons, cam. involved for us its pointless. Also, the cobal'ts have rail, pump, injector, cam, pistons, headers, etc. offerings that we don't. I don't think we'er gonna see much of this with the SS. Not me anyway. I'll swap motors before that point
Old Mar 28, 2011 | 07:16 AM
  #7  
1Panel2NV's Avatar
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Originally Posted by foolmoon_design
Panel, does this really apply to us?
Yes, the SS cobalt and hhr both have LNF's. Unless you're getting at something else.
Old Mar 28, 2011 | 08:43 AM
  #8  
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Originally Posted by foolmoon_design
Panel, does this really apply to us? More can be gained with simple timming using HPT. Unless there are bigger injectors, pistons, cam. involved for us its pointless. Also, the cobal'ts have rail, pump, injector, cam, pistons, headers, etc. offerings that we don't. I don't think we'er gonna see much of this with the SS. Not me anyway. I'll swap motors before that point
Just like Panel said us and the turbo cobalts are the same exact motors so what they use we can use as well
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