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Old 09-05-2007   #1
key_on
 
Join Date: Jul 2005
Location: Lees Summit, MO
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Default Time to replace injectors

Looks like I've milked the original injectors as long as I can. Seems one of the secondary injectors has died a quick death. I'm planning to use the Accel injectors since others seem to have good luck with them. I also plan to replace plugs and plug wires while I'm that far into it. Planning to use GM wires and plugs.

Aside from ordering o-rings for the injectors and new plenum gaskets, is there anything else I should need in the way of parts to do this job? I've looked at the procedure for R&R of the plenum. Are there any tips/tricks for the R&R of the injectors?
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Old 09-05-2007   #2
Jeffvette
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Default Re: Time to replace injectors

Nothing exciting.

http://www.pnwzr1.net/LT5_tear_down.htm


I'd recomend the NGK iridium plugs over the GM ones. Also plan on doing a little cleaning in the "V" of the block.
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Old 09-06-2007   #3
key_on
 
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Default Re: Time to replace injectors

Thanks for the link Jeff. The pictures are helpful. Can't wait to get this done. I really miss my secondaries.
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Old 09-06-2007   #4
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Default Re: Time to replace injectors

Coils are not that expensive & they live under there also. Just a thought.

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Old 09-07-2007   #5
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Default Re: Time to replace injectors

I used the Accel's (got 'em from Summit Racing) and am happy with them. You don't need other o-rings. The one that came with the new injectors are working fine. Just make sure to use the correct slot (check out this thread).
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Old 09-08-2007   #6
Kevin
 
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Default Re: Time to replace injectors

i think my second set of stock injectors is going bad
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Old 09-08-2007   #7
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Default Re: Time to replace injectors

Quote:
Originally Posted by Kevin
i think my second set of stock injectors is going bad
What did you use for replacements?
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Old 09-08-2007   #8
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Default Re: Time to replace injectors

Quote:
Originally Posted by Aurora40
What did you use for replacements?
stock injectors. I'll probably go with RC
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Old 09-08-2007   #9
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Default Re: Time to replace injectors

Quote:
Originally Posted by Kevin
stock injectors. I'll probably go with RC
As in stock GM '90 injectors? FWIW, if you decide to still go GM, the '93-95 injectors would be a better idea.
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Old 09-08-2007   #10
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Default Re: Time to replace injectors

Quote:
Originally Posted by tomtom72
Coils are not that expensive & they live under there also. Just a thought.


Yep dont forget the starter too!!! I heard the Coils and Starter were getting it on there were they live as well
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