crankshaft stripped threads

[controlled insanity]

now what?

 

[soap]

now what?

Are you talking about bolting on a flywheel/flexplate or the balancer??

Drill and tap it one size larger.

--Joe

 

[btracecars]

Heli-coil

 

[controlled insanity]

talking about the pulley side

 

[fogged10]

Heli-coil

x2

but after you heli-coil it i would get it balanced

 

[sidewayscoupe]

Sell it.

 

[Detroit Style Dragger]

New crank.

 

[OrangeF150]

Your having all sorts of trouble with the stang aren't ya??:spank:

 

[dave89iroc]

talking about the pulley side

the hole that holds the damper on, or the holes in the damper that hold the pulley on?

 

[Ponyryd]

^Same question. Also, not to be rude, but maybe you should be paying someone qualified to fix your car? it seems you're not doing well on your own.
aS far as the issue goes, if the bolt is slipping in the crank I'd bet the bolt is the problem and maybe the pulley isn't all the way on or is on crooked. Pull the bolt out, take a look at the threads, if it's stripped try a new one-the bolt is softer than the crank. After that, make sure the pulley is completely seated before trying again.

 

[1BADAIR]

is that a TTY bolt?

 

[controlled insanity]

^Same question. Also, not to be rude, but maybe you should be paying someone qualified to fix your car? it seems you're not doing well on your own.
aS far as the issue goes, if the bolt is slipping in the crank I'd bet the bolt is the problem and maybe the pulley isn't all the way on or is on crooked. Pull the bolt out, take a look at the threads, if it's stripped try a new one-the bolt is softer than the crank. After that, make sure the pulley is completely seated before trying again.

the pulley is perfectly seated using Steeda's install bolt (there new underdrive pulleys) it wasn't over torqued but when pulled the threads were a little sketchy. so then i tried to by hand screw in the original bolt and it really wants to cross thread.

 

[soap]

Just run a tap down it and clean up the threads.

--Joe

 

[86iroc305]

i know i stripped a sbc crank snout once just drilled it out bigger for a bbc bolt ... done and done

 

[igotaneed4speed]

Install tools, install tool , install tool.... to many people use a long bolt and impact to put dampners on and this crap happens then they wonder why... A bolt is not a install tool..

A stud threaded all the way into the crank with a drive nut and flat bearing is a install tool and is used with a hand ratchet! It is IMPOSSIBLE to damage threads in a crank this way

 

[1BADAIR]

Just run a tap down it and clean up the threads.

--Joe

X2

Install tools, install tool , install tool.... to many people use a long bolt and impact to put dampners on and this crap happens then they wonder why... A bolt is not a install tool..

A stud threaded all the way into the crank with a drive nut and flat bearing is a install tool and is used with a hand ratchet! It is IMPOSSIBLE to damage threads in a crank this way

yep. this way the crank isn't the wear item. The threads on the tool are

 

[DarkoStoj]

i know i stripped a sbc crank snout once just drilled it out bigger for a bbc bolt ... done and done

i did that on my sbc build with the roots and used a stud to help from throwing the balancer..no problem

 

[controlled insanity]

fixed and holding good :happy: