What injector length and connector for '01 5.3L?

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06-11-2012, 05:52 AM

#11

TXSZ66AVLANCHE

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Just curious why you want to run ls1 injectors? You can buy non marine 8.1 injectors on eBay pretty cheep and no spacers or adapter would be required. You will also need a refund with any injector swap.

Last edited by TXSZ66AVLANCHE; 06-11-2012 at 06:00 AM.

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06-11-2012, 08:06 AM

#12

03sierraslt

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Quote:

Originally Posted by Ferocity02

Can someone tell me what size spacers you needed when using LS1 injectors? According to FIC in the link I posted, the LS1 injectors are 12mm (0.47") taller, but I've read of people using 5/8" spacers.

Ya its basically 5/8, I can mic one of my old spacers if needed. Let me know.

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06-11-2012, 08:08 AM

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03sierraslt

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Quote:

Originally Posted by Ferocity02

Racetronix has the adapters: Racetronix - Injector Adapter - Multec II > Minitimer

No ****, how about that. I remember when I was doing mine no one made them and I found it hard to believe. Thats good someone finally started. From what I recall the issue was obtaining the Female Multec II connector to make the adapters.

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06-11-2012, 09:46 AM

#14

Ferocity02

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Quote:

Originally Posted by TXSZ66AVLANCHE

Because those injectors are about half the size that I will be needing

It appears that if you want injectors over 42#, then you aren't going to be able to find a drop in set for this truck, at least not for a reasonable price. Big LS1 injectors are up for sale daily on LS1tech.