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Engine Turbo 331 issues

  • Thread starter Thread starter jsw81
  • Start date Start date May 6, 2019

jsw81

5 Year Member
Mar 19, 2007
307
71
68
IA
May 6, 2019
#1
  • May 6, 2019
  • #1
I have a turbo 331 setup and recently if I go wot the intake pipe blows off the throttle body. Also it's blowing oil out the exhaust. Blue smoke out the back. Please help.
 

mikestang63

SN Certified Technician
Aug 27, 2012
11,606
8,859
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In the garage
May 6, 2019
#2
  • May 6, 2019
  • #2
what is your PCV or breather setup
how many #'s of boost
Who installed it
blow off valve?
 

jsw81

5 Year Member
Mar 19, 2007
307
71
68
IA
May 6, 2019
#3
  • May 6, 2019
  • #3
mikestang63 said:
what is your PCV or breather setup
how many #'s of boost
Who installed it
blow off valve?
Click to expand...
Pcv is stock as far as I know. I have a breather on the pass side valve cover. 14-15 psi. Blow off valve I believe is on3 performance, which is the turbo kit. Previous owner had it installed. I've had the car for about 4 years and just now having this issue.
 

mikestang63

SN Certified Technician
Aug 27, 2012
11,606
8,859
214
In the garage
May 6, 2019
#4
  • May 6, 2019
  • #4
you need more than a stock PCV valve with forced induction
15# of boost is a lot to run though a motor for 4 years. what is the compression and leak down?
check your waste gate to make sure it is working

You are building up excessive crankcase pressure and eventually going to blow our rear main, front main, or other seals, is your dipstick tube blowing out
 

jsw81

5 Year Member
Mar 19, 2007
307
71
68
IA
May 6, 2019
#5
  • May 6, 2019
  • #5
I have not checked compression yet. I will check the wastegate also. It is a Tial WG, not the on3 junk. The dipstick was out a little. I had a feeling this was a crankcase pressure issue. Do I need to get a different pcv or delete it?
 

jsw81

5 Year Member
Mar 19, 2007
307
71
68
IA
Jun 16, 2019
#6
  • Jun 16, 2019
  • #6
Update:

Busted ringland on cylinder 5. That would explain the smoke. I am using this as an opportunity to build a new motor as the setup I have doesn't make much sense to me for a stock block. I purchased the car with the current setup and the combination is not my style
 
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