crank pulley bolt - Performance Forum

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crank pulley bolt
Monday, April 04, 2011 4:56 PM
I went to take off my crank pulley today and i dont have a big enough socket. I dont want to have to buy a whole set for just one bolt so i was wondering if anyone could tell me what size it is.

Thanks

Re: crank pulley bolt
Tuesday, April 05, 2011 3:28 AM
Well since no one knows what year or motor. How in the hell are we suppose to tell you the correct size?




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: crank pulley bolt
Tuesday, April 05, 2011 10:19 AM
2001 LD9 sorry
Re: crank pulley bolt
Tuesday, April 05, 2011 10:32 AM
Stock bolt using a stock crank pulley to stock crank is torqued to 129 lb ft + 90°.

If it is a stock bolt it should be 27mm. A 1-1/16" socket will work as well.
Since 27mm is 1.0630"




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: crank pulley bolt
Tuesday, April 05, 2011 10:55 AM
I want to say it was a 7/8 but i believe md here has more experience with crank pullies lol.


- Your not-so-local, untrained, uncertified, backyard mechanic. But my @!#$ runs
Re: crank pulley bolt
Tuesday, April 05, 2011 1:03 PM
Thank you. Since im sure you have dealt with them alot what is the easiest way to get it off? impact gun?
Re: crank pulley bolt
Tuesday, April 05, 2011 1:12 PM
Impact gun is the easiest. Stick a long screw driver through the pulley, and use a LONG breaker bar works also. Tightening it to the recommend spec is the hardest part.





PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: crank pulley bolt
Tuesday, April 05, 2011 8:00 PM
chain wrench is the cats ass.



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