fuel injectors
08-29-2011, 07:39 PM
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fuel injectors I own a 99 Ls1 trans am and have a bad fuel injector. Ive tried numerous different types of cleaner hoping to solve the problem, but nothing works. That being said im just going to buy a new fuel injector. But. . I dont know what lb injector it is. I would go through a dealership but prices are tooooo hi on these things for my budget. Therefore im going through a friend at comp cams that can get me a pretty discount. My question is WHAT SIZE INJECTOR DO I NEED??? I called the dealership and the dumb a** guy at the parts counter couldnt tell me what size they are, and told me the only way to find out is to test them??? BS!!!. If anybody could tell me what size/lb (stock) injector comes on a 1999 Pontiac Trans Am Ls1 it would be GREATLY appreciated. Thanks in advance!!!
08-29-2011, 08:19 PM
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Stock is 26 for the 1999/2000 cars
28.8s for the 1998s and 2001/2002s
28.8s for the 1998s and 2001/2002s
Last edited by Z28/2002; 09-01-2011 at 12:14 PM. Reason: corrected info
08-30-2011, 03:17 AM
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Actually the 99s have the smaller 26.X injectors. I think it is 26.4 but not sure, why not just buy a used one? You can probably buy a whole set used for what one new one would cost.
08-30-2011, 09:44 AM
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Replacing just one will likely give you a mismatch as
the old ones are now crusty / silted up.
How do you know the injector is bad?
If it's just gum / silt and they are mechanically /
electrically functional, and you can stand the down
time, sending the whole set off for service & flow
test might be cheaper than a new single injector.
the old ones are now crusty / silted up.
How do you know the injector is bad?
If it's just gum / silt and they are mechanically /
electrically functional, and you can stand the down
time, sending the whole set off for service & flow
test might be cheaper than a new single injector.
08-30-2011, 09:49 AM
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Replacing just one will likely give you a mismatch as
the old ones are now crusty / silted up.
How do you know the injector is bad?
If it's just gum / silt and they are mechanically /
electrically functional, and you can stand the down
time, sending the whole set off for service & flow
test might be cheaper than a new single injector.
the old ones are now crusty / silted up.
How do you know the injector is bad?
If it's just gum / silt and they are mechanically /
electrically functional, and you can stand the down
time, sending the whole set off for service & flow
test might be cheaper than a new single injector.
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08-30-2011, 10:10 AM
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I have a friend that is getting me a nice discount at comp cams so i am just going to buy one injector for right now. How can i find out exactly what size it is??? Owners manual??
