Compression results
02-18-04, 01:03 PM
#1
Compression results
Hi, I had a compression check done on an fd I might be purchasing soon and these were the results:
rotor 1: 8.0 8.2 8.0
rotor 2: 8.9 8.8 8.7
Now, I searched and read through quite a few threads and these seem to be pretty good numbers, but my question is how consitstant should they be? Is a .6 or .9 difference in the rotors that bad? Thanks in advance for your help.
-Matt McKeever
rotor 1: 8.0 8.2 8.0
rotor 2: 8.9 8.8 8.7
Now, I searched and read through quite a few threads and these seem to be pretty good numbers, but my question is how consitstant should they be? Is a .6 or .9 difference in the rotors that bad? Thanks in advance for your help.
-Matt McKeever
02-18-04, 01:43 PM
#2
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Well on each rotor, the compression is close on on 3 faces but with teh 2 rotors so different its kinda concerning.. Youd have to ask one of other members for their opinion but id say that isnt too good with them so different..
02-18-04, 02:22 PM
#3
Oji San
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These are the specs on Cirian's webpage:
My '93 shop manual says 690 kPa {7.0 kgf/cm2, 100 psi} minimum @ 250 RPM. Differential limit of chambers is 150 kPa {1.5 kgf/cm2, 21 psi} @ 250 RPM.
You are within 1.5 b/w each chamber so according to these specs you are fine.
My '93 shop manual says 690 kPa {7.0 kgf/cm2, 100 psi} minimum @ 250 RPM. Differential limit of chambers is 150 kPa {1.5 kgf/cm2, 21 psi} @ 250 RPM.
You are within 1.5 b/w each chamber so according to these specs you are fine.
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