LS3 harmonic balancer bolt
Thread Starter
Melting Slicks
Joined: Sep 2007
Posts: 2,045
Likes: 3
From: Indy IN
LS3 harmonic balancer bolt
I will need a new balancer bolt and while searching around some sites list one bolt for ls1/ls2/ls3/ls6 and then a few other sites differentiate between ls1/ls2/ls6 and then have separate bolt numbers and prices for ls3 and ls7 engines. Anyone know what the deal is?
Thread Starter
Melting Slicks
Joined: Sep 2007
Posts: 2,045
Likes: 3
From: Indy IN
Ended up calling the GM dealership here in town to see what they said and apparently they had 2 listed like on some websites that I found. One is 103mm long and one is 110mm long. I got transferred to a tech who couldn't figure it out and got their head guy to look into it. He called me back and said that when 08+ vette owners come in with issues with the crank pulley slipping they would replace with the bolt that is 110mm. I had him order the one that is 110mm since I remember reading someone else that had a ud pulley with slippage issues and he may have been using the shorter bolt. Granted it could have been not properly tightened to yield or not had the right locktite applied but I would rather not take chances.
