The Forestry Forum is sponsored in part by:

iDRY Vacuum Kilns


Forestry Forum
Sponsored by:


TimberKing Sawmills



Toll Free 1-800-582-0470

LogRite Tools



Norwood Industries Inc.




Your source for Portable Sawmills, Edgers, Resaws, Sharpeners, Setters, Bandsaw Blades and Sawmill Parts

EZ Boardwalk Sawmills. More Saw For Less Money!

STIHLDealers.com sponsored by Northeast STIHL


Woodland Sawmills

Peterson Swingmills

 KASCO SharpTech WoodMaxx Blades

Turbosawmill

Sawmill Exchange

Michigan Firewood, your BRUTE FORCE Authorized Dealer

FARMA


Council Tool

Baker Products

ECHO-Bearcat

iDRY Wood Lumber Vacuum Drying for everyon

Baltic Abrasives Technologies Nyle Kiln Dry Systems




Author Topic: another 3304 question  (Read 439 times)

0 Members and 1 Guest are viewing this topic.

Offline coxy

  • Senior Member x2
  • *****
  • Posts: 6240
  • Age: 48
  • Location: eastern n.y
  • Gender: Male
    • Share Post
another 3304 question
« on: January 31, 2019, 08:49:49 PM »
my buddy has an 89 518 and it pushing  oil out of the blow by tube I think its a lot but when you check the oil its fine about a 1/2 gal a week and its a vary vary hard up hill pull it doesn't smoke has lots of power  dont skip  never have had to use starting fluid any idea what will cause that thanks again 

Offline kiko

  • Senior Member
  • ****
  • Posts: 829
  • Location: Middle Georgia
    • Share Post
Re: another 3304 question
« Reply #1 on: January 31, 2019, 09:26:40 PM »
Coxy,  blow by without skip comes from two places, pistons or turbo. If it has visible blow by at idle, remove the oil fill cap. Typically if the blow by is puffing it is coming around a piston and if it is just constant it is the turbo pushing exhaust down the turbo drain into the crank case.
 

Offline mike_belben

  • Senior Member x2
  • *****
  • Posts: 4402
  • Location: Middle TN
  • Pulp Friction
    • Share Post
Re: another 3304 question
« Reply #2 on: January 31, 2019, 10:53:11 PM »
Turbos are very easy to overhaul with basic hand tools btw.  Dont buy new if u can get a center section kit. 
Revelation 3:20

Offline coxy

  • Senior Member x2
  • *****
  • Posts: 6240
  • Age: 48
  • Location: eastern n.y
  • Gender: Male
    • Share Post
Re: another 3304 question
« Reply #3 on: February 01, 2019, 05:23:09 AM »
interesting never knew a turbo would do that always thought when they was bad the only thing they did was dump raw oil out of the smoke stack would it be better to get the eng up to temp to check the blow by on filler cap or do it cold  thanks again 

Offline mike_belben

  • Senior Member x2
  • *****
  • Posts: 4402
  • Location: Middle TN
  • Pulp Friction
    • Share Post
Re: another 3304 question
« Reply #4 on: February 01, 2019, 08:30:02 AM »
Cold youll have more piston to wall clearance.  

The turbo has to be run up against a load to make boost pressure in the compressor and exhaust back pressure in the turbine.  If the sleeve seals in the center section [called a CHRA] arent holding youll push pressure into the shaft housing and down the oil drain. 

Very worn valve guides also add a good bit of volume to the slobber tube.  That engine may be old enough to run oil shields instead of oil seals on the stem.. Im not sure.  Shields will leak more compression up the stem and into the valve cover.
Revelation 3:20

Offline coxy

  • Senior Member x2
  • *****
  • Posts: 6240
  • Age: 48
  • Location: eastern n.y
  • Gender: Male
    • Share Post
Re: another 3304 question
« Reply #5 on: February 26, 2019, 07:27:24 PM »
 up date on the oil leak dropped the belly pan and found 2 of the oil pan bolts loose loose one was right by the blow by tube it was weird that that much oil would squirt out around that bolt letting it push it up by the blow by tube making it look like it was coming from there I have had some strange thing happing to me the last few months but glad it wasn't something major  again thanks guys for the help 


Share via delicious Share via digg Share via facebook Share via linkedin Share via pinterest Share via reddit Share via stumble Share via tumblr Share via twitter

xx
3304 cat

Started by coxy on Forestry and Logging

33 Replies
1508 Views
Last post January 28, 2019, 06:55:37 AM
by coxy
xx
3304 cat

Started by coxy on Forestry and Logging

6 Replies
1039 Views
Last post February 12, 2018, 09:49:49 PM
by coxy
xx
Band selection question (boring question but includes bonus pics!)

Started by Piston on Sawmills and Milling

18 Replies
4532 Views
Last post October 15, 2010, 05:39:58 PM
by barbender
angry
Question for you surveyors (sorry but it's a touchy question)

Started by SwampDonkey on General Board

32 Replies
5929 Views
Last post September 25, 2008, 10:55:40 PM
by cheyenne
 


Powered by EzPortal