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Why remove the balance shafts?

s_firestone

Well-known member
Joined
Jun 27, 2002
Messages
1,610
Location
Park City, UT USA
Quote:
Quote:
If I want silky smooth, I'd own a Lexus. /ubbthreads/images/graemlins/rofl.gif



Life is too short to drive a Lexus



+1
 

Hertz

Staff member
Joined
Jul 29, 2002
Messages
13,501
Location
Chicago, IL
My BS belt > timing belt failure was due to a piece of my lower timing belt cover taking it out. +1 for not running the lower cover. /ubbthreads/images/graemlins/wink.gif
 

Ryan,

Please eloborate. Did the cover break and wedge between the belt and pulley? how did the cover cause the belt to break?

James
 

Quote:

on the subject of mitsubishi's Sirius engines, could you please explain the 4g61 please ?



shorter stroke motor, so I doesnt need BS...

Also what no one took in accout is that even though both weights IN UNISON cancel out the vibrations that drivers feel, each balance shaft is still an unbalanced COUNTERWEIGHT rotating unevenly in their own bearings. Those bearings take a boat load of abuse. Dependant on the previous owner , those bearings might have taken some abuse.
Missed shifts, irregular oil changes, or just plain ol' high mileage. I've had BS's destroy TWO MOTORS, and have seen where a spun bearing threw a B/S into a wobble and blow a HOLE through the side of a block, and destroy a customers head. Your being a mitsu mechanic is great, but your reasoning far from gospel. I would venture to guess that there are those of us who have built-rebuilt, and wrenched on 4G63's a tad more than you. The best of luck with your reasoning as to why you leave them in, but I guarantee you this the first motor that breaks on you from a busted BS, and youre gonna have a sh*t storm on your hands trying to explain why you didnt remove them.

 
Last edited by a moderator:

atc250r

Staff member
Joined
Sep 11, 2003
Messages
13,235
Location
Orange County, NY
I don't need any BS either, I've got plenty here /ubbthreads/images/graemlins/rofl.gif.

John
 

atc250r

Staff member
Joined
Sep 11, 2003
Messages
13,235
Location
Orange County, NY
Quote:
each balance shaft is still an unbalanced COUNTERWEIGHT rotating unevenly in their own bearings. Those bearings take a boat load of abuse.



/ubbthreads/images/graemlins/worthy.gif
 
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