"It's common knowledge that Injectors get dirty, clogged and lose their ability to perform. Especially after 100K miles and should be professionally cleaned or replaced. "
Not to question your motives, but you are trying to sell this new guy something you are trying to unload. I have 280,000+ mi on my LT1 and it still has the original injectors. So much for common knowledge. Run some Techron through it once in a while either via a tankful of Chevron or a bottle of the straight stuff.
QUOTE]
Uhhhh....Yes, I feel like you are questioning my motives. When you say I'm "trying to unload" these parts on him, I take offense to that. I was pretty upfront with what my intentions were when I offered these up. I'm not making him buy anything nor could I. What I offered was advice based on what I experienced and had parts that I could no longer use and thought they may help him. If it helps him out, great. He can choose to buy these if he wants to. But I take it personally when you try to question my motives here. If you got a bug up your arse because of this or how I put things, then I hope it does not cause you indigestion.
What worked for you is great and I can only indicate what worked for me. But I will never say that if I got 200K on something that everyone else should too. As great as these cars are, every car if different and has different needs. Just becuase I chose to purchase $300 injectors and other bolt-ons for the L99 over the years might be considered a waste of money by some, I can live with that. But don't question my motives with trying to sell those and possibly help out another member. I always try to offer help here when I can and don't ask for anything in return.
To the original poster - Choose to do what you think is best for your build. I never meant to make it sound like you should do new injectors and only you can determine that. I have ran the L99 for years and found it to be a great little motor. I did a few bolt-ons to it and can offer advice if you need it with no obligation to buy anything
I also swapped it out for an LT1 and can let you know what may be needed there if you decide to go that route. Again, no obligation to buy anything...except maybe a beer if we ever meet. Take care.
EDIT - Hey Phil - Do your reasearch and check just this 1 link I found by Googleing "should I replace my fuel injectors".
http://ezinearticles.com/?Fuel-Injectors:-Time-To-Replace?&id=63453 Just because some may have them for a while, does not mean they shouldn't be replaced or that they don't lose effeciency. It also does not mean you can't get another 100K out of them. But if
YOU decide to do this, do your research and don't just look at mine. Look at a new set from Summit or any other manufacturer and also look at getting a service to clean yours. I was happy with these units from Accell. You may also do well with just swapping the fuel filter and adding some injector cleaner to the tank for a few fill-ups. Also consider cleaning the Throttle body as they can get pretty gummed up, especially after 100K. I pulled my TB off the car to clean it real well and added a filter/breather to the valve cover so the hose going into the TB was at least filtered. Over time this has really helped keep the current TB clean.