I bought a compression tester yesterday and I am planing on testing tomorrow. I understand everything else exept for two things that I am unsure about.

1.) To disable my ignition all I have to do is unplug the dizzy harness correct?
2.) It comes with a 14mm long reach adapter and if you use it on a car that does not need it then it will hurt your pistons. Do I need to use this or not? I have a 97 ex, D16Y8.

I have to go to work right now and I will check back before I go to bed. Thanks in advance.

 

well i just unhooked the fuel pump fuse when i did mine awhile back... very simple to do!
unplug the spark plug wire... remove the spark plug... then put on the compresion tool part as tight as ya can by hand and simply try to start the motor for a few seconds and get the reading off the gauge... then release the pressure valve on the gauge and just remove it. NOW remove the compresion tool and with a oil can spray about 2-3shots of oil into the cylinder and put the tool back in... crank it over afew more times same as before and BE SURE TO WRITE DOWN ALL THE NUMBERS! dont try to remember them! then again releave the gauge pressure and remove the hose again and reinstal plug and plug wire and move onto the next... very simple!

the oil inside the cylinder and 2nd test will help ya determin if your rings are worn to bad... cause the pressure will be higher with the oil if thier is preaty good wear.... the oil helps seat the rings for a good reading.
as long as they are all in a close numbers across the motor it should be fine..

 

ya I just pulled out my ECU fuse and thats it.

 

What about the 14mm long reach adapter? Did you guys use one or not? Thanks

 

not sure what ya mean........... is it just the spark plug wrench

what does it look like?

my dads just has a tube, the gauge, and then a adaptor....

 

Yea its the adapter thing. I will upload a picture though, I was hoping to do this today but I don't know if I will have time now because I want to know if I need to use it or not before I start.

[IMG]local://upfiles/12015/916D83AFDF1744EA9611655040AC61B2.jpg[/IMG]

 

Not sure if this will help, but why dont you pull a plug out and compare it to the adapter. If the adapter is longer then the plug then dont use it, but that looks to be the same length as mine.

 

i have the same adapter for mine, i also have the ones that you dont have to screw in they are just rubber tippd and they slide right down and make a nice tight fit. but anyways to the point i used my long reach adapter and didnt hit the pistons, so you should be golden, but you could also do what lost said and pull the plug out and see if its the same length to be on the safe side. good luck with the test bro hope every thing comes back good

 

I think I might try and not use it the first time and if it doesn't screw in or something like that then I will use the adapter, and do what lost said about compairing to the spark plug. btw Not being able to figure something like this out makes me feel like I don't belong in the engine bay [&:]

 

LOL everyone has to start learning by start doing something!

ya just compare it to the spark plug remember everything just hand tight tho... if ya use a wrench to tighten the compression tool down it will rip the O ring...
no big deal...
my dad has a few adaptors that look just like that but i believe they are for dirrent threadings...