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

Crank Gear Install - Not Going On

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Old 04-09-2005, 11:14 AM
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Default Crank Gear Install - Not Going On

The car is a 1995 formula m6 and I cant get the crank timing gear to slide all the way on for the life of me. I lined it up with the key and it will slide just a little more but then just stops. I've tried lubing with oil, banging on it, and the frequent yelling obscenities at the thing. Any ideas or help would be greatly appreciated. This is my first post so sorry if this is in the wrong section.
Old 04-09-2005, 11:21 AM
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i have used the hub before to get them on. not alwasy the best. you just put the hub and then use a longer bolt and start turning. DONT USE AIR TOOLS. go slow. also i think a long time ago i used a socket outta my dads 1" drive set, but i cant remeber for sure.
Old 04-09-2005, 12:05 PM
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Thanks! I was actually considering doing that but wasnt sure if it would work and really wasnt in the mood to screw things up more. I'll try it tonight after work.
Old 04-09-2005, 12:16 PM
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go slow and make sure you have a long enough bolt.
Old 04-10-2005, 07:57 AM
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Take a torch and heat the gear up and it will slide on.
I do this not only for the gear but for the hub as well. I just hate seeing people banging on the end of crank.
Old 04-10-2005, 12:06 PM
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Ken Is right
Old 04-10-2005, 12:22 PM
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i dont like heating them up like that you ruin the hardening in the metal. the most i will ever heat things up is to like 200 degrees in the oven. the oven heats it evenly and will not over heat it which can easily done with a torch.

oh yeah no hammers
Old 04-10-2005, 01:07 PM
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Originally Posted by AAron
i dont like heating them up like that you ruin the hardening in the metal. the most i will ever heat things up is to like 200 degrees in the oven. the oven heats it evenly and will not over heat it which can easily done with a torch.

oh yeah no hammers

You have to get it pretty hot to ruin them.

Top shops do it every day I use an old heating plate
Old 04-10-2005, 01:42 PM
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Heat it to 350* in an oven. This way it's hot enough to make a huge differance, but not so hot that you risk affecting the heat treating process done on the part. If you're going to use a torch then keep that flame moving around and check it with a heat gun. If you don't keep the flame moving around constantly then you run the risk of localized overheating, which will ruin the heat treating done on the part. Been there, done that. Also using the proper gear pressing tool with a sleeve will make the job a snap.
Old 04-10-2005, 04:53 PM
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Originally Posted by Racehead
Heat it to 350* in an oven. This way it's hot enough to make a huge differance, but not so hot that you risk affecting the heat treating process done on the part. If you're going to use a torch then keep that flame moving around and check it with a heat gun. If you don't keep the flame moving around constantly then you run the risk of localized overheating, which will ruin the heat treating done on the part. Been there, done that. Also using the proper gear pressing tool with a sleeve will make the job a snap.
that is what i was talking about. using a torch is difficult, and if i saw a shop doing that to my car id smack them
Old 04-10-2005, 08:10 PM
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ok, so if I stick it in the oven and heat it up then it should slide on pretty easily? or do i still need something to press it on? im having a hard time bumming rides to the hardware and parts store so if it will slide on that would be awesome.
Old 04-12-2005, 04:51 PM
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I'd heat it up, then also use the hammer and socket-driver approach. Maybe also check the crank snout for burrs and polish them, if necessary.



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