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Re: Maximum recommended engine speed [Re: RichardV6] #753079
22/08/22 10:28 PM
22/08/22 10:28 PM
Joined: Jul 2018
Posts: 963
M3W55 Offline
Talk Morgan Regular
M3W55  Offline
Talk Morgan Regular

Joined: Jul 2018
Posts: 963
Originally Posted by RichardV6
Originally Posted by M3W55
As an aside, what a difference from the Pembleton! Changes at 5000-5500 are the sweet spot with the MG 850, although with a bit of tuning we are largely free of the low-end lugging that one has to be careful to avoid with the S&S.

Agreed, the Moto Guzzi 90° V twin (big or small block) is a totally different animal from the narrow angle S & S. Much smoother both at top and bottom end of rev range.


One wonders what the M3W would have been like with a tweaked MG California 1400. Sadly, the 850 is the largest E5 compliant air cooled block that they offer now.

Re: Maximum recommended engine speed [Re: GLLOQ] #753107
23/08/22 08:49 AM
23/08/22 08:49 AM
Joined: Jul 2013
Posts: 3,392
West Sussex, UK
Chris99 Offline
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Chris99  Offline
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Joined: Jul 2013
Posts: 3,392
West Sussex, UK
5,800 rpm is the standard limit but I seem to recall that S&S also offered uprated valve springs which raised the limit to something like 6,300. I'll see if I can find more details.


Red Leader drive
Re: Maximum recommended engine speed [Re: GLLOQ] #753111
23/08/22 09:44 AM
23/08/22 09:44 AM
Joined: Nov 2013
Posts: 676
exagone
G
GLLOQ Offline OP
Talk Morgan Regular
GLLOQ  Offline OP
Talk Morgan Regular
G

Joined: Nov 2013
Posts: 676
exagone
I found the S&S information.
[Linked Image]
so I don't think death is 50 rpm above.

I will set the total cut-off at 6600 rpm.

Re: Maximum recommended engine speed [Re: GLLOQ] #753211
24/08/22 10:19 AM
24/08/22 10:19 AM
Joined: Nov 2013
Posts: 676
exagone
G
GLLOQ Offline OP
Talk Morgan Regular
GLLOQ  Offline OP
Talk Morgan Regular
G

Joined: Nov 2013
Posts: 676
exagone
At S&S they still have the USB waterproof socket available for the Delphi box, I personally made one because access is not very practical.
[Linked Image]
https://www.sscycle.com/products/usb-cable-kit/
[Linked Image]
[Linked Image]

Re: Maximum recommended engine speed [Re: GLLOQ] #753525
27/08/22 06:38 AM
27/08/22 06:38 AM
Joined: Aug 2012
Posts: 2,250
atalante83 Offline
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atalante83  Offline
Talk Morgan Expert

Joined: Aug 2012
Posts: 2,250
Well done

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