Wiggy333
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V6 distributor overhaul
Can anyone tell me how to remove the bushes/ bearings in a V6 distributor and if you can buy new ones. My white Capri smashed its housing when the advance weight fell off. I have another one now thanks to JR but it's got play. My original is good but would need to swap them over. I have had it sitting our freezer for three weeks to prepare for the swap but now the misses wants the space back. Help
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DJ
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Re: V6 distributor overhaul
2017/05/21 10:58:50
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Maybe a local auto electrician may be able to swap the bearing /bush over.
When I pulled my distributor out years ago to rebuild the engine I also had to change to oil pump shaft and distributor gear due to wear.
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Wiggy333
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Re: V6 distributor overhaul
2017/05/21 16:00:04
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Frozen dizzy. I remember some one doing this but search function shows me nothing.
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Escortpower
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Re: V6 distributor overhaul
2017/05/21 18:26:05
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BEE VEE
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Re: V6 distributor overhaul
2017/05/21 21:53:06
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ok..........do we assume frozen dizzy in fridge helps loosen bushes so easier to extract ?
........they didnt teach me this one at Metallurgy Class............. or I was not paying attention more likely !
"GOOD BETTER BEST: NEVER LET IT REST: UNTIL YOUR GOOD IS BETTER, AND YOUR BETTER, BEST" ( Furphy WW1 HORSE-DRAWN water-tank end-plates)
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Wiggy333
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Re: V6 distributor overhaul
2017/05/22 06:54:58
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Well all but water shrinks when it's frozen and expands when it's hot. So it's the start of removal. The parts catalogue says you need a new housing but I'm sure someone here did it. Albeit without a freezer.
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gtv6capri
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Re: V6 distributor overhaul
2017/05/22 11:00:22
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I'd contact a local distributor expert, I assume that once you remove the drive gear, the internal bushes/bearings press out, there may be a trick an expert knows
Capri The car I always promised myself
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GTV6
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Re: V6 distributor overhaul
2017/05/23 00:06:17
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These guys overhauled mine many years ago and converted it to pointless at the same time. They had the old school machine that allows them to set the mech advance springs. They are in WA http://www.schultzautomotive.com.au/
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BEE VEE
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Re: V6 distributor overhaul
2017/05/24 22:47:41
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Is the fridge trick freezing the dizzy in a container of water that becomes ice.................or is dizzy in freezer dry and relying on alloy body expanding greater than bushes to help extract them easier ?
"GOOD BETTER BEST: NEVER LET IT REST: UNTIL YOUR GOOD IS BETTER, AND YOUR BETTER, BEST" ( Furphy WW1 HORSE-DRAWN water-tank end-plates)
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Wiggy333
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Re: V6 distributor overhaul
2017/05/25 05:43:36
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It's in there dry relying on everything shrinking for easier removal.
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Johnscapris
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Re: V6 distributor overhaul
2017/05/25 08:15:39
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Wiggy,
1. Remove distributor drive gear. Remove roll pin and use a bearing puller. Care required not to damage gear.
2. Withdraw shaft from distributor case.
3. Bushes will then knock or press out easily.
4. New bushes will need to be made. Generally only the bottom bush experiences excessive wear. Shaft may require metal reclamation.
5. Replace bush.
6. Reinstall shaft assembly.
7. Press on drive gear. Advance mechanism will need to be removed to allow for support during pressing process.
8. Re install advance mechanism.
9. Check and adjust advance mechanism.
Other areas that may be inspected during the above process are: female hex drive wear in gear and advance (mechanical and vacuum) mechanisms.
I offer a price of $180 to perform the above including a professional advance regraph. (have distributor Test equipment).
Regards
John 0419673327
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GTV6
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Re: V6 distributor overhaul
2017/05/25 15:39:19
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You need to replace the top bearing too. It wears because everyone forgets to oil the pad. The wear causes the dwell angle and points gap to change as the revs increase due to centrifugal forces. Easy to test if its worn just watch the dwell reading on a multi meter while you rev the engine. If dwell changes then its worn.
Since bushes have to be custom made I don't see the need to pay for metal spraying, cant you just machine the shaft (which will have to be done if metal sprayed) and then have the bearings made to suit.
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Wiggy333
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Re: V6 distributor overhaul
2017/05/25 17:50:21
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Two fantastic answers. Thanks guys. Issue is they are a good two inches apart and the same size. I have good ones in my original dizzy( the one in the freezer). So I will now attempt something on the one I got from JR and see how it goes. You can feel the slop in it but more at the bottom however the points would stop movement at top somewhat.
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Johnscapris
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Re: V6 distributor overhaul
2017/05/25 18:36:19
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GTV6,
1. As the distributor gear relies on an interference fit, the shaft diameter can not be simply machined smaller. It is not unusual to have 0.005 inch shaft wear and only 0.002 inch bush wear. A total of 0.009 inch (including the desired original .002). By replacing the bush the total becomes .007 inch. A long way from the desired .002 inch.
2. The oil pad only lubricates between the advance mechanism and the main shaft.
3. The shaft is so designed to bring oil to both the bottom and top bearing from camshaft oil spray.
Worn bushes cause poor engine performance, more noticeable as the revs increase.
Replace the points with an electronic triggering system.
Regards
John
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