GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

Got the big injectors in and......

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Old Jul 13, 2003 | 07:10 PM
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Default Got the big injectors in and......

Let me tell ya. It's a real b$%ch to get everything done. I even prebent a new crossover tube before I started. I took lots of pictures and will right up a post about how to change over to the LS1 style injectors but, right now I'm beat.

I put SVO 42# injectors in and used the offset from my car which worked well with them. I had to really crank the Flow rate down though to get the Ltrims dialed in. It ended up being 4.45 which equates to a 35# injector when these are nearly 50# injectors at our fuel pressure.

This is not a mod to do unless you really need bigger injectors because it is no fun. Thankfully I had no leaks that I had to go back and fix.

I'll might get the post ready by tonight sometime.

John



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Old Jul 13, 2003 | 07:22 PM
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From: Azle/Saginaw, Tx
Default Re: Got the big injectors in and......

in the post, make sure to list how to splice the harnesses....i'm thinking i might just get some of the injectors that are direct replacment for the trucks. who makes some though.
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Old Jul 13, 2003 | 07:36 PM
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Default Re: Got the big injectors in and......

Yeah, I got a couple pictures of how I spliced the harness. That's not really a big deal. You just cut the old connectors off and solder/heatshrink the new ones in. Just a tedious process.
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Old Jul 13, 2003 | 07:56 PM
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Default Re: Got the big injectors in and......

How many holes in the end of those SVO injectors
One big one or lots of little ones ?
Measure antyhing today?

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Old Jul 13, 2003 | 08:01 PM
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Default Re: Got the big injectors in and......

4 little holes in the ends of the injectors. I think I have a picture from a while ago of the ends. I'll post it with the other info.

Yes, I took a few quick measurements. How does almost 1000ci sound? The longer and shorter one will require ALOT less work though and is only about 100ci smaller. I think that's the one I'm going with since I'll have other help.
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Old Jul 13, 2003 | 11:03 PM
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Default Re: Got the big injectors in and......

So SVOs are disk injectors not pintle? I just got me some '009' 42lb/hr Delphi disk injectors
It is good that five other people have gone this big with injectors on their trucks. You guys will be good help when I get frustrated tuning I think I will get it dialed in pretty well though.
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