LT1-LT4 Modifications 1993-97 Gen II Small Block V8

crank hub install- where the hell do you get threaded rod?

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Old 08-24-2007, 01:03 AM
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Angry crank hub install- where the hell do you get threaded rod?

i cannot for the life of me find 7/16"-20 (fine thread) threaded rod. only course thread. i am getting really aggravated and im tempted to just smack this thing on with a hammer. ive been searching every place around me for 2 weeks and nobody can even get it. even the huge fastener warehouse. they say it doesnt exist. where do you guys get it?
Old 08-24-2007, 01:31 AM
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Matco tools. They sell a 20piece balancer install kit for almost any car. It was a must buy, for the ls1 and lt1's. It was only 150.00.

Check the tool section, there is a guy selling a ls1 hub install tool for around 15.00.. Maybe he can help you for your lt.
Old 08-24-2007, 02:44 AM
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Picking a 4ft piece tomorrow. Dont need to use all of it.
Old 08-24-2007, 03:39 AM
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Are you trying to sink the balancer with the bolt?

I would not recomend doing that unless you get upwards of 5+ threads on the bolt or you will strip your crank.

You should try and muscle it on first then sink it to elimate that problem.

Tony.
Old 08-24-2007, 08:48 AM
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I hammered mine back on. This thread is helpful though, it sorta explains why I couldn't figure out how I was supposed to use the puller to reinstall it.

Can someone walk through on how you are supposed to reinstall it? Might be helpful for future reference.
Old 08-24-2007, 08:49 AM
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Fastenal would sell any kind of fastener you want. Yes there is one in your area just look it up on their site.

PS I just tapped the thing on with a hammer or something if I recall.

-Dustin-
Old 08-24-2007, 08:56 AM
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you guys ever tried boiling water and letting the hub soak in it for about 7-10 min.
slides on pretty good.
Old 08-24-2007, 11:22 AM
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there is an online site, mcmaster or something like that, it has every conceiveable bolt and rod, nut and screw.

I got mine from there. I needed about 7-12 inches. If someone can ship you the unused portion, thats what you need.

I have done this job, this is the way it has to be. As for the tool. I dont know about stock GM cranks. I had a callies dragon slayer which didnt allow the tool to go deep enough to get a good amount of the threads and as stated before if you dont have enough, you can be fucked.
Old 08-24-2007, 02:07 PM
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Originally Posted by Speed Density
Are you trying to sink the balancer with the bolt?

I would not recomend doing that unless you get upwards of 5+ threads on the bolt or you will strip your crank.

You should try and muscle it on first then sink it to elimate that problem.

Tony.

im just trying to put the hub onto the crank by using a peice of threaded rod, some washers, and a nut. i have it on partially but not enough to get a good bite on the stock bolt, which is why i need some threaded rod.
Old 08-24-2007, 02:45 PM
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Originally Posted by Bersaglieri
Fastenal would sell any kind of fastener you want. Yes there is one in your area just look it up on their site.

PS I just tapped the thing on with a hammer or something if I recall.

-Dustin-

ur the man. i just looked them up and called them. they ordered it for me and it will be here monday. 3$ for 3 feet. thanks man
Old 08-24-2007, 02:46 PM
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Originally Posted by Imnotfast
Picking a 4ft piece tomorrow. Dont need to use all of it.

thanks man, but i actually just got some. i appreciate it though
Old 08-24-2007, 02:54 PM
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Originally Posted by camar0corey
Can someone walk through on how you are supposed to reinstall it? Might be helpful for future reference.

Here is what i use

Matco tool
Harmonic Balancer Install kit pt# 66550
Price 150.00


Old 08-24-2007, 03:09 PM
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Thanks, I think the picture answered my question. I understand how it installs it. I'll have to pick one up someday, can never have enough tools!

You should have seen me looking at the puller I have, it claimed it could reinstall, there is no way what I have now can reinstall, it did a good job at pulling it off after I ground down a rod to fit down the bolt hole, the puller I got didn't even have anything useful for that part of the operation.
Old 08-24-2007, 04:13 PM
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That tool is nice, much what you need. I will say for the times your going to do this job, a 3$ peice with a few washers and 2 nuts can do the same job.
Old 08-24-2007, 07:25 PM
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wow, how did i not see this thread 2 minutes ago.. i need some of that allthread.. really bad... im about to light my ******* car on fire.
Old 08-24-2007, 09:05 PM
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Be very careful of using standard threaded rod. It is usually low grade & can snap off in the crank when pulling the balancer on. Stick with the Fastenall or similar supplier that can get you a piece of grade 8 stock. Lowes has grade 2 & it will cause you untold grief if it breaks.
Old 08-25-2007, 07:04 PM
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I beat mine on to start with, and then used the stock bolt to pull it through. Worked great.
Old 08-25-2007, 07:50 PM
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I use the boiling water trick and that gets you a good solid start. Then I have been using a longer bolt that I can stack varing amounts of washers on always being careful to keep a fair amount of thread engagement. Threaded rod would be MUCH nicer and I might just have to pick some up, Fastenal is near work.
Old 08-25-2007, 10:25 PM
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Yup, Fastenal could get you some Gd 2, 5, 8, 9, or B7 structual parts. Glad I could help.

-Dustin-
Old 08-25-2007, 11:44 PM
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What makes me wonder is the 7/16" 20 fine thread thing. My stuff is all metric.


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