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Trevor pickering
Experienced User
Username: commander1

Post Number: 19
Registered: 6-2012
Posted on Wednesday, 16 August, 2017 - 09:22 pm:   Edit PostDelete PostView Post/Check IP

Hello
I have just replaced the drive belt on the distributors on my 1990 Spur 11.
What a PITA!!!!
Also replaced the 3 bearings as one had started to seize and spin in the housing!
Fitted new SKF bearings and a new belt
Virtually a full days work for me.
Why not just a single distributor as on my Silver Cloud?
Have Fun

Trevor Pickering
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Mark Luft
Frequent User
Username: bentleyman1993

Post Number: 95
Registered: 10-2016
Posted on Thursday, 17 August, 2017 - 03:15 am:   Edit PostDelete PostView Post/Check IP

I asked that same question, as well as can I replace the dual dizzy with an older model. Consensus was "just leave the original one in place". That belt was designed to keep the service dept. making money.
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michael vass
Grand Master
Username: mikebentleyturbo2

Post Number: 351
Registered: 7-2015
Posted on Thursday, 17 August, 2017 - 08:09 pm:   Edit PostDelete PostView Post/Check IP

Hi Trevor
Yes fiddly job.
I think they went to the 2 dizzy system as nobody made a 8 port dizzy anymore, the same is used on other cars like porsche etc
Mike
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Darryl Watson
Experienced User
Username: inox

Post Number: 29
Registered: 4-2015
Posted on Saturday, 19 August, 2017 - 04:50 am:   Edit PostDelete PostView Post/Check IP

Hi Trevor,
Two Dizzies = get you home.
I had a problem with our Mulsanne S a few years ago - would run on 4 then 8 then 4 cyls as it felt fit. On a dual carriage way at 70 mph it ran OK (most of the time)
(0 to 30mph in 3 days on 4 cyls then it would fire on 8 - oops there's a car in front - entertaining). Road junctions were exciting as well.
One of the ignition amplifiers was faulty.
Single coil / dizzy - stranded. Two coils / dizzies = got us home (200 miles)
Worth a bit of hassle when changing the belt every 30,000 miles me thinks but then I didnít have the hassle you had.
Regards
Darryl
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Trevor pickering
Experienced User
Username: commander1

Post Number: 21
Registered: 6-2012
Posted on Saturday, 19 August, 2017 - 10:37 pm:   Edit PostDelete PostView Post/Check IP

Thanks Darryl
Yes I am pleased I will not have to do this job again for quite a while and as you say its handy to have a "get you home" back up.
I am just about to start replacing all the steel fuel line with copper which should be fun!!!

regards

Trevor
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michael vass
Grand Master
Username: mikebentleyturbo2

Post Number: 353
Registered: 7-2015
Posted on Sunday, 20 August, 2017 - 02:20 am:   Edit PostDelete PostView Post/Check IP

Hi Trevor
Screwfix sell 8mm copper pipe 10m for £1.99, they also sell usefull 8mm fittings.
See my other post about 5 min job.
Mike
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gordon le feuvre
Prolific User
Username: triumph

Post Number: 199
Registered: 7-2012
Posted on Sunday, 20 August, 2017 - 04:31 pm:   Edit PostDelete PostView Post/Check IP

The drive belt was originally meant to be a "for life item" till they started to fail, then Crewe took a view and amended this to 10 years I think!
Bit like the battery in seat memory.
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Trevor pickering
Experienced User
Username: commander1

Post Number: 22
Registered: 6-2012
Posted on Sunday, 20 August, 2017 - 06:43 pm:   Edit PostDelete PostView Post/Check IP

Thanks Mike

I am considering using 8mm plastic coated Yorkshire pipe for my fuel system as the plastic covering protects against abrasion and stone damage.
Most 8mm copper tube has a wall thickness of only .6 mm.
This is available for around £25 for a 10m roll.

Trevor
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Darryl Watson
Experienced User
Username: inox

Post Number: 30
Registered: 4-2015
Posted on Sunday, 20 August, 2017 - 11:59 pm:   Edit PostDelete PostView Post/Check IP

Hi,
My service manual advises changing the drive belt every 36,000 mls (48,000Kms) or every 36 months

Regards

Darryl
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Paul Yorke
Grand Master
Username: paul_yorke

Post Number: 1838
Registered: 6-2006
Posted on Tuesday, 22 August, 2017 - 06:07 pm:   Edit PostDelete PostView Post/Check IP

The belts do seem to last much much longer than the suggested periods. There seemed to be a spell of broken belts and I wondered if there was an iffy batch. Many cars are still running on their original belts.

Distributors without points are a double edged sword. No need to open them up to change the points - so they don't get opened up to be lubricated - so the bearings go or the bob weights seize. Both much bigger jobs than changing the points. Lube yours soon.

Driving without all 8 cylinders firing is bad news. From petrol wash removing lubricant from the cylinder walls and diluting the engine oil, and also from cooking your cats . . . which is never good in any scenario. :-)

I've never seen plain copper tubing wearing through, but plastic covered would not be a bad idea.
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michael vass
Grand Master
Username: mikebentleyturbo2

Post Number: 357
Registered: 7-2015
Posted on Tuesday, 22 August, 2017 - 07:06 pm:   Edit PostDelete PostView Post/Check IP

Sorry typo
Screwfix piping 8mmx10m is £16.99
Mike

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