Around 2,000 miles on my build now and going great. A few questions...
07-27-2014, 12:37 PM
#11
You never want to pressurize a crank case.
Some blow by is normal. But no pressure will be there with good venting system.
In most builds a standard one way check valve on the Pcv line from the intake to the driverside.
Then a filter on the passenger side.
This way under normal cruise Pcv is working pulling crank vapors out of crankcase.
Under boost.
The vapors will vent out tr passenger side breather.
If there is too much crank case vapors for that breather to handle.
Get a larger breather or add another.
Pass side has two location breather could go.
Some blow by is normal. But no pressure will be there with good venting system.
In most builds a standard one way check valve on the Pcv line from the intake to the driverside.
Then a filter on the passenger side.
This way under normal cruise Pcv is working pulling crank vapors out of crankcase.
Under boost.
The vapors will vent out tr passenger side breather.
If there is too much crank case vapors for that breather to handle.
Get a larger breather or add another.
Pass side has two location breather could go.
07-27-2014, 12:59 PM
#12
TECH Regular
What ^^ he said.
Here is the breather that I run in my pass. side in place of the oil fill cap. http://m.summitracing.com/parts/cei-103032 I will try to find the part number for the Pcv valve I use out of a t-bird or something like that. If you pull the Pcv and line out of the dr. side valve cover it is just an empty shell of a Pcv. There is no check valve in the factory Pcv. So there is nothing to stop pressure from going from the intake to the crankcase.
Here is the breather that I run in my pass. side in place of the oil fill cap. http://m.summitracing.com/parts/cei-103032 I will try to find the part number for the Pcv valve I use out of a t-bird or something like that. If you pull the Pcv and line out of the dr. side valve cover it is just an empty shell of a Pcv. There is no check valve in the factory Pcv. So there is nothing to stop pressure from going from the intake to the crankcase.
07-27-2014, 01:23 PM
#13
Launching!
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Obviously pressure in the crankcase isn't good. It's just something that happens.
Sounds like that's most of my problem then, PCV isn't blocked in boost.
I've got my breather off the pass side like this.
Sounds like that's most of my problem then, PCV isn't blocked in boost.
I've got my breather off the pass side like this.
07-27-2014, 01:25 PM
#14
I just ran breathers off of both valve covers. 
One I ran a line off of the passenger side valve cover hose connection to a breather. Then I just bought a 5/8" (or whatever size the stock pcv valve is) breather to stick in the hole on the drivers side cover. Obviously not the best to suck out crank case vapors like stock vehicles do but it works like a sex dream.
One I ran a line off of the passenger side valve cover hose connection to a breather. Then I just bought a 5/8" (or whatever size the stock pcv valve is) breather to stick in the hole on the drivers side cover. Obviously not the best to suck out crank case vapors like stock vehicles do but it works like a sex dream.
09-25-2014, 10:14 PM
#16
Launching!
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To follow up on this...
I switched from the PT88 to a Borg Warner S480 and all the oil burning at idle went away.
I switched driver side valve cover to an earlier style and am running a factory PCV setup now, which has a check valve. I haven't driven it hard enough yet to really tell if it solved my problem with that yet or not.
For the serpentine thing, I just adjusted my driving style. Instead of slapping the throttle yet, I just back off a little slower so the tensioner can keep up and not let the belt get slack.
50mm blow off valve is working great after I started cutting the spring back a half coil at a time until it stayed open smoothly.
I switched from the PT88 to a Borg Warner S480 and all the oil burning at idle went away.
I switched driver side valve cover to an earlier style and am running a factory PCV setup now, which has a check valve. I haven't driven it hard enough yet to really tell if it solved my problem with that yet or not.
For the serpentine thing, I just adjusted my driving style. Instead of slapping the throttle yet, I just back off a little slower so the tensioner can keep up and not let the belt get slack.
50mm blow off valve is working great after I started cutting the spring back a half coil at a time until it stayed open smoothly.
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