Just wondering,
Do these timing chain gears look past it to you guys?
The teeth look a little bit to sharp to me.
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| Duplex Timing Gear Wear https://www.ausmini.com/forums/viewtopic.php?f=2&t=16951 |
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| Author: | Mick [ Tue Mar 07, 2006 11:19 pm ] |
| Post subject: | Duplex Timing Gear Wear |
Just wondering, Do these timing chain gears look past it to you guys? The teeth look a little bit to sharp to me.
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| Author: | drmini in aust [ Wed Mar 08, 2006 5:49 am ] |
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Yeah they look to have a bit of wear. Wrap a good NEW chain around the big sprocket and pull tight, then try to lift it away from the sprocket in the middle. re chains, all new ones seem real loose when bought, except the `Iwis' endless German made race chain. $60 but worth it. 
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| Author: | LS1380 [ Wed Mar 08, 2006 8:30 am ] |
| Post subject: | |
Mick-Go see Al Munday-He only sells the Good timing chains 
There are some nasty crap chains on the market... I brought a good one last week from him. Also take your gears into him,and ask for his advise. |
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| Author: | miniron [ Wed Mar 08, 2006 10:32 am ] |
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It's not how pointy the teeth are as that's important. It's how much recession wear there is on the drive side of the tooth. The crank sprocket will wear at twice the rate of the cam sprocket. There appears to be some wear on the crank sprocket but as the Doc says test it with a new chain. Regards RonR |
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| Author: | Mick [ Wed Mar 08, 2006 2:17 pm ] |
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Yeah I picked up one of those cheaper chains on EBAY, can't say I'm impressed at all. Made me think of putting the old chain back in... The old chain's an AE and seems to be better constructed and made from better materials. I tried Doc's trick but couldn't get any slack from the chain, but I still don't like the look of the sprockets. I've been meaning to get down to see Al Munday in rockingham, might be a good excuse. Is there much between the pricey steel gear sets and the simple sintered type duplex sets for road use? Will they wear any better (Like maybe three times better to reflect the cost)? |
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| Author: | LS1380 [ Wed Mar 08, 2006 3:24 pm ] |
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Don't know about the steel gears-But don't use your old chain!! Mine had only down appox 5000k's-still replaced with new chain while the engine is apart. Good preventative maintenance..... |
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| Author: | Mick [ Wed Mar 08, 2006 4:28 pm ] |
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Nah, wasn't considering it, it was more a comment on the quality of the replacement chains than anything else... C-AJ3324 might be worth a try. It's a big jump to steel sets but for what? |
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| Author: | drmini in aust [ Wed Mar 08, 2006 6:16 pm ] |
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Steel sprockets are stronger for race use but for road use there's nothing wrong with the originals. Steel sprockets do not necessarily wear less, many sprockets are now coming in from China etc and lots of `em are real soft & not flame hardened. BTW I'm in the conveyor business and we get thru lots of cheap chain and sprockets...  ...
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| Author: | drmini in aust [ Wed Mar 08, 2006 6:17 pm ] |
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Steel sprockets are stronger for race use but for road use there's nothing wrong with the originals. Steel sprockets do not necessarily wear less, many sprockets are now coming in from China etc and lots of `em are real soft & not flame hardened. BTW I'm in the conveyor business and we get thru lots of cheap chain and sprockets... ...
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| Author: | The Scotsman [ Wed Mar 08, 2006 6:22 pm ] |
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But as we say in the Cycling world, Steel is real and I would rather spend more and get the best than bugger around. probably why I have no money... |
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