Blow by on 99 p pumped
#1
Blow by on 99 p pumped
Less then 10,000 miles ago I rebuilt my motor p pumped it and added 150hp injectors and since the day it's been done its had lots of blow by but it only blows out when getting on it and beating it. I tired a valve cover breather and it started blowing out there. Any suggestions on what to do?
#3
When you swap a P-pump onto a 24 valve it seems to cause a lot of extra crankcase pressure, probably because the p7100 is lubricated by oil where the VP44 is not. Also I think the P7100 returns oil right close to where the 24 valve breather is on the front case, so that's another thing to think about. Some guys say to ditch the 24 valve breather and get a 12 valve tappet cover since that's where the breather is located on a 12 valve. You'll probably still need the valve cover breather to help relieve the pressure.
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