i'm looking to buy this motor its a 2003 250 proxb compression is 100 on all cylinders am i looking for trouble or is this a low compression motor i figured it should be around 120 -130 how far off am i.
Modified by B-Hawg at 5:58 PM 10/6/2008
i'm looking to buy this motor its a 2003 250 proxb compression is 100 on all cylinders am i looking for trouble or is this a low compression motor i figured it should be around 120 -130 how far off am i.
Modified by B-Hawg at 5:58 PM 10/6/2008
2002 20XDC
2003 250 0X66
According to the service manual, compression range is 90-110. Max variance of 15 psi.
If you're at 100 on all cyl's- that dead-center in the spec, and very even.
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