2nd Generation Specific 1986-1992 Discussion

Injectors

Old 02-01-2004, 09:54 PM
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http://www.chevelles.com/forum/ultimatebb....ic;f=9;t=015115



read the last post.



http://www.needfulthings.net/cgi-bin/ikonb...=ST;f=80;t=1475



Hrm, maybe it's tps.



You're just jumping on a big whole injectors bandwagon. Hey, mike thinks its injectors so it HAS to be, dramon just isnt listening thats what it has to be. Finally, it won't cost just 135 to have injector's cleaned to get my injectors cleaned it'll all probably run me over 200 dollars at least. Everything i've done to this car has required me to get a crapload of extra parts and additional crap to get everything working.



And this is off topic but no FCD's arent cheap. Kevin keeps quoting this magical 20-30 dollars for a used FCD? Uhm, no BT74 offered 50 for his home made one and mike wanted 70 for his used one, yeah i don't see 20-30 in that at all maybe if you multiply it a few times? I'm not going to get a freaking FCD, its not worth my time its just gonna blow my engine if anything so instead i'm just gonna save up for a standalone.
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Old 02-01-2004, 09:57 PM
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Even if the injectors aren't the problem, they are still 15 years old and could use a cleaning/flow testing anyways.



Also, go ahead and check the tps first. If thats not it, then its injectors. I dont see the need for a new post about it but whatever that doesnt matter.
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Old 02-01-2004, 10:00 PM
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if you dont like the car....sell it



please take my name out of the post as this is not a problem about me....





you are just making posts to complain now...... i offered you a damn good price for my FCD... it is 107 new...i used it for 2 months....im asking 70 shipped



if you think a FCD will blow your engine...then you are certainly not up to par to work on your car....... a fcd will only remove fuel cut from your system .... the big pipe replacing your catalytic converters is what will blow your engine by running too much boost and going lean
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Old 02-01-2004, 10:11 PM
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Originally Posted by Dramon_Killer' date='Feb 1 2004, 11:54 PM
Finally, it won't cost just 135 to have injector's cleaned to get my injectors cleaned it'll all probably run me over 200 dollars at least.
youre right it wont cost 135 to clean them



http://www.rceng.com/service.htm#INJECTOR



according to them:

The charge for RC Engineering's standard clean-flow-balance service is $24.00 - $28.50 per injector, depending on the type of injector. If overnight shipping is used, the turnaround time is three days.


so it will cost a minimum of 96 and a max of 112 ....







research pays off!
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Old 02-01-2004, 10:23 PM
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you know you might actually have to go and start checking stuff on the car, you know like open the hood
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Old 02-01-2004, 10:24 PM
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I had to think long and hard before I posted this.



Have you read through the website for RC engineering or Marren Fuel injection? Do you realize that secondary injectors on our cars are not used that often, think of it like a set of twins on a FD, the secondary turbo locks up for most users because it is not used as often, I have a sheet here from the T2 I am buying that shows really bad flow rates from the injectors prior to Marren doing a cleaning on them.



they run 3 tests on them to check for the correct flow and spray pattern. The test results show 2 injectors being dirty, and a 12.8% difference in flow rates accross the injecotrs. After the cleaning one injector shows a slightly higher rate than the rest but are now all within 5.8% and flow more than they did originally. Will this be the only cause fo your hesitation, probably not, but does it hurt to have piece of mind?



another idea is the fuel filter, when was the last time it was changed, and what air filter is on the car, and when was it last changed?



There are a lot of things to check, do you feel a slight hesitation at the 3800 rpm crossover too?
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Old 02-01-2004, 10:30 PM
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Originally Posted by FrestyleFC3S' date='Feb 1 2004, 08:00 PM
if you dont like the car....sell it



please take my name out of the post as this is not a problem about me....





you are just making posts to complain now...... i offered you a damn good price for my FCD... it is 107 new...i used it for 2 months....im asking 70 shipped



if you think a FCD will blow your engine...then you are certainly not up to par to work on your car....... a fcd will only remove fuel cut from your system .... the big pipe replacing your catalytic converters is what will blow your engine by running too much boost and going lean
I was told by the robot guy to avoid FCD's because they were bad. Then BDC said they might make me blow my engine because it alters the voltage so when i'm boosting 12 my engine thinks that i'm only boosting 8.5 and gives me fuel for 8.5. That is why i'm so against FCD's because i really odn't wanna blow my engine.



Secondly I do open my hood a lot. I check my fluids before and after EVERY time i take my car out. I finally fixed my coolant leak, it was the two coolant rings behind the LIM, not very fun to replace. That's another reason i am so sick of working on this car. I've had my intercooler/manifolds on and off at least once a week for the past month and a half and presently, it's just getting old considering it doesnt even work. It's like i'm taking everything apart only to put it back together and have to do the same thing again without any sort of result.



Finally, if what the FCD does isn't really as bad as BDC made it out to be, i'll buy urs mike.



thecamel: While i haven't read the stuff on that site what you said is pretty much dead on about them not being used etc. A local guy who also has a TII took all his stuff off when he fixed the same coolant leak that i had and he said that his secondaries were pretty clogged, so he swapped them with his primaries or something like that to clear them out. Oh, and i get the 3800 hesistation very very rarely.
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Old 02-01-2004, 10:49 PM
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Answer me this, why is it so hard for you to grasp a concept that people are reccomending? Getting the car to run right is a lot easier than continually avoiding the problem. A lot of the guys in here have already been in your shoes. Some of us are mechanics by trade. pay attention to what some of these folks ahve to say rather than going off on some tangent that does not fix your car at all.
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Old 02-01-2004, 10:56 PM
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Originally Posted by TheCamel' date='Feb 1 2004, 11:49 PM
Answer me this, why is it so hard for you to grasp a concept that people are reccomending? Getting the car to run right is a lot easier than continually avoiding the problem. A lot of the guys in here have already been in your shoes. Some of us are mechanics by trade. pay attention to what some of these folks ahve to say rather than going off on some tangent that does not fix your car at all.
apparently dramon only listens to thecamel.



Dramon did you skip my entire speech i wrote in your other topic? You have to take it step by step, if you cant handle it jump ship now.



chances are you have a multiple of thigns all building up into one big hesitation, if you work them away slowly one by oen it will be cheaper in the long run.



As for FCD's blowing your motor, they only blow your motor if you decide to overboost without proper fueling. what BDC told you is misleading, it isnt the FCD which causes a blown motor, it is overboosting without prior fuel setup which causes the blown motor.



kevin,.
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Old 02-01-2004, 11:54 PM
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Originally Posted by Dramon_Killer' date='Feb 1 2004, 08:30 PM
I was told by the robot guy to avoid FCD's because they were bad. Then BDC said they might make me blow my engine because it alters the voltage so when i'm boosting 12 my engine thinks that i'm only boosting 8.5 and gives me fuel for 8.5. That is why i'm so against FCD's because i really odn't wanna blow my engine.



Secondly I do open my hood a lot. I check my fluids before and after EVERY time i take my car out. I finally fixed my coolant leak, it was the two coolant rings behind the LIM, not very fun to replace. That's another reason i am so sick of working on this car. I've had my intercooler/manifolds on and off at least once a week for the past month and a half and presently, it's just getting old considering it doesnt even work. It's like i'm taking everything apart only to put it back together and have to do the same thing again without any sort of result.



Finally, if what the FCD does isn't really as bad as BDC made it out to be, i'll buy urs mike.



thecamel: While i haven't read the stuff on that site what you said is pretty much dead on about them not being used etc. A local guy who also has a TII took all his stuff off when he fixed the same coolant leak that i had and he said that his secondaries were pretty clogged, so he swapped them with his primaries or something like that to clear them out. Oh, and i get the 3800 hesistation very very rarely.
the stock ecu never sees over fuel cut no matter what. fcd or no fcd. if theres no fcd, you hit fuel cut at 8.5psi (theoretically), so the ecu never sees above that, ever, period.



that being said, the fuel cut keeps you from boosting enough to pop the motor (12-13-14etc), because it stops runing at 8.5. unlike the fcd that will let the boost keep going until its too late
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