INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

TVS1900 5.3L injector size

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Old 07-18-2009, 09:39 AM
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Originally Posted by BigCountryx
If they're pink, they are 48lb bosch injectors I've been told.

Brian, let us in on what you spot that may be an issue, I looked and can't spot the problem.
the first thing that caught my eye is the bellows being in the wrong place. Leads me to believe that there will be other issues if they cannot get that straight. Its not like the kit comes with instructions or anything
Old 07-18-2009, 09:51 AM
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Originally Posted by BlownChevy
the first thing that caught my eye is the bellows being in the wrong place. Leads me to believe that there will be other issues if they cannot get that straight. Its not like the kit comes with instructions or anything
haha, damn, you breakin out the magnifying glass on the Avatar.... Good point.


BTW - My kit had no instructions. Guess Ya'll got that completed now.

And your G8 looks fukin rediculous, I love it.
Old 07-18-2009, 12:30 PM
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Originally Posted by BlownChevy
the first thing that caught my eye is the bellows being in the wrong place.

damn you're good
Old 07-18-2009, 12:48 PM
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I'll have to post more pics. The intake tube from my mass air flow sensor to the UPD air box needs to be fitted with the Magnacharger pipe, since my UPD box wouldn't connect up properly. Going back on Monday to have that taken care of.
Old 07-20-2009, 04:26 PM
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Hey BigcountryX what part of the injector is pink? I see a long plastic pink part towards the top of the injector. Oh and Blownchevy the shop tuning the truck is Strictly Performance.
I don't know much about HPtuners but was wondering how inputting the incorrect fuel injector size would effect the max flow capability of the injectors.

Last edited by MarineBlue03GMC; 07-20-2009 at 04:46 PM.
Old 07-26-2009, 11:44 AM
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shouldn't he be making more than 373hp?
Old 07-26-2009, 11:59 AM
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Yes I definitely should be making more power but it seems either Magnacharger sent my injectors that couldn't support more power or there's something else going on that's having my fuel inectors max at at 5000 rpms.......

Last edited by MarineBlue03GMC; 07-26-2009 at 12:05 PM.
Old 07-26-2009, 12:21 PM
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Originally Posted by MarineBlue03GMC
Yes I definitely should be making more power but it seems either Magnacharger sent my injectors that couldn't support more power or there's something else going on that's having my fuel inectors max at at 5000 rpms.......
do you have the all black injectors? I have seen some people with pink injectors and some with black. Mine are black, I have no clue what lb injector they are tho.
Old 07-26-2009, 03:07 PM
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The injectors are installed now and from what I can tell they look like the all black ones. Here's a blurry cell phone pic of one of them.
Attached Thumbnails TVS1900 5.3L injector size-cimg0159.jpg  
Old 07-26-2009, 03:10 PM
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yep, mine look the same as that


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