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Factory Stainless Steel Sprocket #297946
19/08/15 12:43 PM
19/08/15 12:43 PM
Joined: Oct 2013
Posts: 75
Pa. USA
L
LarryS Offline OP
Just Getting Started
LarryS  Offline OP
Just Getting Started
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Joined: Oct 2013
Posts: 75
Pa. USA
Can anyone report on how the new stainless sprocket that is being supplied by "The Factory" performs? I've read comments that it might be too heavy. All things being equal; I would go with the SuperMax, but you have to send your sprocket to them and wait to have it machined. Also, $535 seems pretty steep to me. Morgan will either replace your original sprocket under warranty or give a 50% discount on a case by case basis. I figure that if Morgan has gone to a stainless sprocket, they must know the original is defective. There should be a recall, but you could say the same with several other issues. Just wondering. LarryS

Re: Factory Stainless Steel Sprocket [Re: LarryS] #297953
19/08/15 01:18 PM
19/08/15 01:18 PM
Joined: Mar 2013
Posts: 1,009
Guildford, UK
R1NGA Offline
Has a lot to Say!
R1NGA  Offline
Has a lot to Say!

Joined: Mar 2013
Posts: 1,009
Guildford, UK
Originally Posted By LarryS
Can anyone report on how the new stainless sprocket that is being supplied by "The Factory" performs? I've read comments that it might be too heavy. All things being equal; I would go with the SuperMax, but you have to send your sprocket to them and wait to have it machined. Also, $535 seems pretty steep to me. Morgan will either replace your original sprocket under warranty or give a 50% discount on a case by case basis. I figure that if Morgan has gone to a stainless sprocket, they must know the original is defective. There should be a recall, but you could say the same with several other issues. Just wondering. LarryS


Pretty much exactly what is being discussed in this topic here;

Sprockets


Although it's early days, there's no reason to doubt the longevity of the MMC Steel Sprocket, just the weight of the bloody thing! Hence see the above topic discussion for alternative options....

Re: Factory Stainless Steel Sprocket [Re: LarryS] #297957
19/08/15 01:43 PM
19/08/15 01:43 PM
Joined: Aug 2013
Posts: 1,519
Cheshire, UK
nippymog Offline
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nippymog  Offline
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Joined: Aug 2013
Posts: 1,519
Cheshire, UK
My understanding is the MMC sprocket is steel , not stainless steel. Can check with a magnet.

Re: Factory Stainless Steel Sprocket [Re: nippymog] #297959
19/08/15 01:59 PM
19/08/15 01:59 PM
Joined: Jul 2013
Posts: 3,326
West Sussex, UK
Chris99 Offline
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Chris99  Offline
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Joined: Jul 2013
Posts: 3,326
West Sussex, UK
Subjectively I'd say the factory steel sprocket is about twice the weight of the alloy - however I've now got over 1,500 miles on the steel and no problems.

I thought the extra weight might have an adverse effect on the ride but don't notice any difference.


Red Leader drive
Re: Factory Stainless Steel Sprocket [Re: LarryS] #297960
19/08/15 02:10 PM
19/08/15 02:10 PM
Joined: Apr 2013
Posts: 215
N
nadvys Offline
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nadvys  Offline
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Joined: Apr 2013
Posts: 215
it gives you momentum when the engine fails

Re: Factory Stainless Steel Sprocket [Re: nippymog] #297973
19/08/15 02:47 PM
19/08/15 02:47 PM
Joined: Oct 2011
Posts: 1,947
Snorbans, UK
Martyn Culling Offline
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Martyn Culling  Offline
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Joined: Oct 2011
Posts: 1,947
Snorbans, UK
Originally Posted By nippymog
My understanding is the MMC sprocket is steel , not stainless steel. Can check with a magnet.


While most stainless steels are austenitic and non-magnetic, some are magnetic a bit. So using a magnet is not 100% reliable.


1930 Super Sports Aero 'The Elk'
Re: Factory Stainless Steel Sprocket [Re: LarryS] #298001
19/08/15 04:11 PM
19/08/15 04:11 PM
Joined: Aug 2011
Posts: 894
Aberdeenshire
E
Eddie Cairns Offline
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Joined: Aug 2011
Posts: 894
Aberdeenshire
Not convinced stainless is suitable for that application.

The extra give in non stainless steel may be an advantage but maybe not!

Re: Factory Stainless Steel Sprocket [Re: LarryS] #298019
19/08/15 05:16 PM
19/08/15 05:16 PM
Joined: Jan 2015
Posts: 227
Shropshire, England
mapman Offline
L - Learner Plates On
mapman  Offline
L - Learner Plates On

Joined: Jan 2015
Posts: 227
Shropshire, England
I have one of the first cars to have a factory fitted steel sprocket. Everything running ok after 1700 miles.

However last week whilst driving at crawling speed through freshly laid loose chippings I heard a crunch. A piece of stone had obviously got mashed. I haven't been able to detect any abnormal sound so assume all is ok. Very pleased I didn't have a aluminium one when that happened!

As for the weight I really couldn't care less adding a few pounds. With a 2 litre engine up front it shouldn't be an issue in any case unless one is trying to eek out every little bit extra for racing etc.


M3W 'The Mapmog' Built June 2015



Re: Factory Stainless Steel Sprocket [Re: LarryS] #298021
19/08/15 05:25 PM
19/08/15 05:25 PM
Joined: Oct 2012
Posts: 2,663
Furry Boots City
RedThree Offline
Talk Morgan Expert
RedThree  Offline
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Joined: Oct 2012
Posts: 2,663
Furry Boots City
Definitely not stainless Don't know what grade of carbon steel it is but carbon it is.

Re: Factory Stainless Steel Sprocket [Re: LarryS] #298025
19/08/15 05:33 PM
19/08/15 05:33 PM
Joined: May 2012
Posts: 1,695
Gods own county! Oop north
D
Dab of oppo Offline
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Dab of oppo  Offline
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Joined: May 2012
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Gods own county! Oop north
Probably a recycled boat anchor.


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