2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

injector question

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Old Feb 19, 2012 | 10:18 AM
  #1  
durtled's Avatar
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From: jordan ny
injector question

So I was putting the UIM back on my s5 tii. (after deleting emissions)When I got to the secondary injectors they didnt fit sung in the LIM. i went and looked at some s4 n/a injectors saw these rubber rings popped them off and they are to big for the s5 injectors. My question is are all usdm injectors the same size as in the same size mm? Anyone know where to get what I need? I thought about buying a denso seal kit.
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Old Feb 19, 2012 | 10:59 AM
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Aaron Cake's Avatar
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All the injectors are the same external dimensions. Are the air bleeds still in the manifold? Without them the injector won't have anythin to seat into.
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Old Feb 19, 2012 | 11:11 AM
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napa sells injector o-ring kits for our injectors. i think they are like 3 bux per injector? if your air bleeds are broken or missing as aaron stated, cj-motorsports sells replacement "seats". you remove the air bleeds and place these in the manifold
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Old Feb 19, 2012 | 01:47 PM
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pintle caps broken or missing?
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Old Feb 19, 2012 | 08:34 PM
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From: jordan ny
caps are on noting seems broken just no thick rubber o-ring. that being said if all injectors have the same dimensions y do the ones from my s4 n/a not work. :/ ill post pics tommarow.
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Old Feb 19, 2012 | 09:06 PM
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From: Jax, FL
Originally Posted by Aaron Cake
All the injectors are the same external dimensions. Are the air bleeds still in the manifold? Without them the injector won't have anythin to seat into.
Aaron... get off the 7club site and go post another update on youtube! I can only keep using the blast grit joke for so long!
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Old Feb 19, 2012 | 09:51 PM
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Are you positive your current injectors are stock?
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Old Feb 20, 2012 | 11:33 AM
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From: jordan ny
no, but they appear to be. not very big same color as supposed to come on an 89 same sort of notches and what not...in the back of my head i think they are jspec....it had a chipped n374 when i pulled everything out of the parts car...pics to come in a few hrs...def think i need those air bleeds

Last edited by durtled; Feb 20, 2012 at 11:50 AM.
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Old Feb 20, 2012 | 01:01 PM
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From: https://www2.mazda.com/en/100th/
the part number for the bottom grommet is different S4 vs S5, so its very possible the S4 ones wont work in an S5....
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Old Feb 20, 2012 | 01:07 PM
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From: jordan ny
yeah ima pick up a set of grommets..they must have been on them but idk what happened to them the primary ones are fine
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