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Quote:

Originally Posted by IHateHacks

Wrong buddy. Yes it does matter. The throttle must be all the way open to get an accurate compression reading. Time to go back to tech school and learn how to perform diagnostic procedures correctly. Oh wait, did you even go to tech school? I doubt it.

Check any tech book or repair manual.

TSRM doesn't say it, but the haynes does. I don't trust the TSRM anymore anyway.

Please, if you don't know what you are talking about, don't post, its that simple. I know what I'm talking about because I was taught by a professional, not some hack who doesn't pay attention to details.

Yea you make a point. If the trottle plate is closed than you wont be pulling all the air into the combustion chamber thats available. But with comp numbers like mine, it doesnt matter. Theres obviously a ring falure. For those curious. I got my jasper engine already. Less than 24 hours after i called them and told them there engine was shot i had a guy in a jasper delivery dropping the crate off in front of my house with a new 3yr warrenty. It came with the oil pump oil of the engine, and a full engine gasket set for me to use during the installation. Now thats service. Ill try and post pics later today or tomorrow.

Knowledge is vital

Monkey......What we 'think' is correct, and what 'is' correct just might 'be' 2 different things.

The throttle must also be held open. Check here:

http://www.aa1car.com/library/compression.htm

5. Block the throttle open. Check here:

http://www.georgiazclub.com/tips/ztech/comptest.htm

Hold the throttle to full open position to ensure the engine gets adequate air intake. Check here:

http://www.motorage.com/motorage/art...l.jsp?id=16170

Open the throttle fully either by pressing the accelerator or wedging the linkage open under the bonnet. If the throttle isn't open then adequate air can't get into the cylinder and the readings will be far too low. Check here:

http://www.pumaracing.co.uk/comp.htm

I've found thru 22 years as an ASE Master Tech, specializing in engine diagnostics, that simply 'asking' about a procedure can get you correct information much easier than 'asserting' what you think is correct in an "I know better" way.

IHateHacks language may sound a bit rough, but is to the point.

As a technical training instructor for several years, I learned a lot about 'presenting' information to students.

I prefer to back it up with references.

Simply put: Research, analyse, ask and resolve any questions, understand, know.

PS: Google is your friend !

Quote:

Originally Posted by mrnickleye

yea. i know. But my point is, the numbers i made, were WAAAAYYYY to low for the throttle plate to matter. A 5 yr old who still shits himself at night could figure that out.