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| Timing chain sprocket install https://slantsix.org/forum/viewtopic.php?t=62229 |
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| Author: | Wesola78 [ Sat Apr 21, 2018 9:12 am ] |
| Post subject: | Timing chain sprocket install |
So, is there a special tool for installing the sprocket that goes on the crankshaft? Or, does it just slide on, with a little "persuasion"? Thanks! |
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| Author: | DusterIdiot [ Sat Apr 21, 2018 9:29 am ] |
| Post subject: | D |
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| Author: | Wesola78 [ Sat Apr 21, 2018 10:15 am ] |
| Post subject: | Re: Timing chain sprocket install |
Okay, thanks! So, put the crank sprocket on first, then the timing chain and other sprocket? |
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| Author: | sandy in BC [ Sat Apr 21, 2018 10:22 am ] |
| Post subject: | Re: Timing chain sprocket install |
crank first .....then you have to get the cam timing right. lazy way: roll the crank to #1 TDC roll cam to close intake and exhaust valves on #1 Bolt on cam gear and chain without disturbing cam or crank. Using degree wheel ensure cam timing is correct. |
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| Author: | Wesola78 [ Sat Apr 21, 2018 10:47 am ] |
| Post subject: | Re: Timing chain sprocket install |
Ugh, can't get it on all the way. I'll try again after work... |
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| Author: | Charrlie_S [ Sat Apr 21, 2018 11:05 am ] |
| Post subject: | Re: Timing chain sprocket install |
You can use a piece of pipe, that slides over the crank snout. Big washer/something, and the crank bolt, and push the sprocket on. I actually have an old crank pulley hub, that is honed out to a slip fit. I can use that to press the sprocket, and also use to mount the degree wheel. Key way keeps it from slipping, but if I have to remove the degree wheel for any reason, it just slides off and back on in the same position. |
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| Author: | Wesola78 [ Sat Apr 21, 2018 11:09 am ] |
| Post subject: | Re: Timing chain sprocket install |
Thanks Charrlie! |
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| Author: | Wesola78 [ Sun Apr 22, 2018 12:41 pm ] |
| Post subject: | Re: Timing chain sprocket install |
Well, the bolt will not thread into the crankshaft. The sprocket is not on far enough, and now I can't remove it. Any suggestions? |
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| Author: | DusterIdiot [ Sun Apr 22, 2018 3:44 pm ] |
| Post subject: | D |
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| Author: | Charrlie_S [ Sun Apr 22, 2018 4:36 pm ] |
| Post subject: | Re: Timing chain sprocket install |
Why won't the bolt screw into the crank? Are the threads messed up? Need to fix it. Otherwise, how are you going install the crank damper? |
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| Author: | Wesola78 [ Sun Apr 22, 2018 5:06 pm ] |
| Post subject: | Re: Timing chain sprocket install |
Ok, removed the pulley using a puller, so I'm back where I started. Good question Charrlie, not sure. I think its the threads inside the crankshaft. So, should I chase the threads? Thanks for the replies fellas! |
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| Author: | DusterIdiot [ Sun Apr 22, 2018 7:27 pm ] |
| Post subject: | D |
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| Author: | Greg Ondayko [ Mon Apr 23, 2018 10:05 am ] |
| Post subject: | Re: Timing chain sprocket install |
I am assuming the crank is in the car / engine? There is a Harmonic Dampener install tool that I like to use for this situation.. Works with dampeners and Lower Timing gears - Some times the lower gear needs to be sanded a bit to get the proper press fit. https://www.summitracing.com/parts/sum-g1023-1 the one I have is not available but this does similar. Heating can help as other posters had mentioned. Greg |
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| Author: | halfafish [ Mon Apr 23, 2018 8:26 pm ] |
| Post subject: | Re: Timing chain sprocket install |
Wes, I'm getting ready to do a timing chain on my 82 D150. I knew my crank bolt would not be long enough to reinstall the harmonic balancer, and anyway I didn't like the idea of using a bolt with the crank female threads providing the the pulling power to install the balancer. So I bought a big piece of 3/4-16 allthread and cut it into 6" chunks. Now I can thread the all-thread fully into the the crank with a double-nut to anchor the rear end and keep it from rotating. Then, using one additional nut with a washer to drive on the balancer I'm home free. This should work fine to install both your gear and balancer. I have several more of these I will not need so if you want one, PM me to discuss. I'd sell one for peanuts plus shipping. |
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| Author: | halfafish [ Mon Apr 23, 2018 8:39 pm ] |
| Post subject: | Re: Timing chain sprocket install |
Oops. Also forgot to mention I have a flat bottom 3/4-16 tap I'd be happy to loan you to chase your threads. |
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