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compression test 

 

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Posted: Sat Jan 17, 2009 5:07 pm 
Getting Side Ways
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arm79 wrote:
Grimketel wrote:
Disco Frank wrote:
LEAKDOWN TEST


all there for u numnuts :lol:


lol, frank, you just searched wiki. I assume you didnt know either?


He knows. Prob just a f**k easier to paste a link than type the explanation out.


Especially tryin to explain it to people of different mechanical knowledges.

But on topic, leakdown tests are great if you can get your hands on quality gear. If you know any mechanics well they can probably help you out/may let you borrow (if they love you).

 

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Cramping in the hand from having it on your Wang for an excessive period of time is a definate con.
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Posted: Sat Jan 17, 2009 5:44 pm 
Fordmods Junkie
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arm79 wrote:

He knows. Prob just a f**k easier to paste a link than type the explanation out.


well not exactly
i had a good idea on what it was


and no i searched google 1st :P

 

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Posted: Sat Jan 17, 2009 10:25 pm 
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fiftyone wrote:
arm79 wrote:
fiftyone wrote:
crap idle, low power and hesitates when you first start the car.

and whats a leak down test?


sounds like timing is up the s**t.


but if its timing, why would the engine only hesitate when its first started?


You said its low on power. You possibly cant feel it hesitating when it accelerates, and that usually only when you smash the throttle to the floor from idle at takeoff. It will pause for a second before taking off.

Who did the timing check and was it done correctly? Cos most people out there don't know how to do it.


Disco Frank wrote:
arm79 wrote:

He knows. Prob just a f**k easier to paste a link than type the explanation out.


well not exactly
i had a good idea on what it was


and no i searched google 1st :P


Knob Jocky... I was trying to cover for you and help keep your image!!!

A compression test will tell you certain things, and may indicate a cylinder is good when its not.

A leakdown test will tell you how f**k - if it is - a cylinder is. When brand new, leakdown will be generally less than 5%. At this age, it will be 20 to 30%, and each cylinder may vary.
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Posted: Sat Jan 17, 2009 10:38 pm 
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arm79 wrote:
[
Knob Jocky... I was trying to cover for you and help keep your image!!!


what image? 8-)

 

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Posted: Sat Jan 17, 2009 10:42 pm 
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Disco Frank wrote:
arm79 wrote:
[
Knob Jocky... I was trying to cover for you and help keep your image!!!


what image? 8-)


The one where that large mound of scruffy hair on your head is containing a f**k of knowledge and assistance.
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Posted: Sat Jan 17, 2009 10:45 pm 
Getting Side Ways
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arm79 wrote:
fiftyone wrote:
arm79 wrote:
fiftyone wrote:
crap idle, low power and hesitates when you first start the car.

and whats a leak down test?


sounds like timing is up the s**t.


but if its timing, why would the engine only hesitate when its first started?


You said its low on power. You possibly cant feel it hesitating when it accelerates, and that usually only when you smash the throttle to the floor from idle at takeoff. It will pause for a second before taking off.

Who did the timing check and was it done correctly? Cos most people out there don't know how to do it.


had it done twice, didnt seem to make much difference. the problem happened out of the blue one day. and it comes and goes, initially it wasnt too bad then the car stalled a few times when it was really hot. now its not so bad. but after taking the fuel pump out to inspect, it is a little worse again

 

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