[DML] My newest trick-

["cruznmd" <racuti1@xxxxxxxxxxxx>]

I'm sure plenty of folks here have done a fuel delivery test before 
so I'm not impressing anyone but I wanted to share the experience I 
had today when I performed the test on my car:

I lack real test equipment. I also was afraid to do this test 
because my fuel lines are brittle and I've broken 2 of them so far. 
Those were the biggest reasons for my procrastination.

After installing new lines, Mike Cohee and I purchased a 6-pack of 
ICB cream soda. After drinking/draining and washing the bottles we 
put them back in the 6-pack and dropped the injectors into the 
bottles. 5 of 6 had useless spray patterns when throttle was 
applied. 3 of those 5 barely sprayed at all. You could force them to 
spray, or change the pattern by lightly tapping the injector with a 
screwdriver handle. There was barely any "singing" from the chatter 
valve that atomizes the fuel.

Fortunately we had a spare set of injectors and they were replaced 
and the pattern checked. The injectors are quite loud when they all 
sing and atomize the fuel correctly. We also checked to make sure 
they open at exactly the same time.

For those who -haven't- done this test but want to, I offer my non-
expert advice- Use clear glass bottles, not brown (plastic melts), 
mark a calibration line on each bottle. This'll tell you if they all 
deliver the same amount of fuel in a given number of seconds. If the 
injectors don't sing, they're dirty. Make sure you don't have any 
that drip when you're NOT applying throttle, and that they all open 
at the same time.

The whole thing was very educational. My idle is rock-solid, the 
Lambda system is working properly, the car starts with a bump of the 
key and I have all the power I'm going to get from the stock 
configuration.

Rich A.
#5335








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