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Joined: Feb 2016
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Talk Morgan Guru
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Back to the 3.7 Roadster and having now driven a Plus 6 I would add that the sound track of the former is far superior. Not a V8 I'll grant you but for me the Jekyll and Hyde nature of standard car allows peaceful cruising if needed and an angry snarl (not so much bag of nails) from a mixture of induction roar and the effects of variable cam timing when booted at higher revs. I suspect my K & N slab filter may contribute a little.

The banshee wail of the Plus 6 at high revs aided by turbo whine is an assault on my eardrums by comparison. Its noisier when burbling along as well despite standard exhaust!

Last edited by Richard Wood; 24/08/19 01:59 PM.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Originally Posted by DaveW
It's the first I've heard of a needle bearings issue. The bump steer was fixed when the stub axles were upgraded somewhere around 2006, when the bushes went back to metal. My car was upgraded by the first owner in this respect. My steering is so light that any bearing decay should become apparent. Is this in the universal joint or base of the steering column Heinz???

I'm at 20,000 miles and so far no problem with the cat seals.


Dave TBH I have no idea but from listening it was very close to my ear. Anyway I can not say where it was located. Perhaps someone of MMC could help, where and when they used the needle bearing. The mechanics who did the repair back in 2006 are all retired.


'14 4/4 graphite grey
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Hi Richard, do you happen to have the part number for the K & N air filter ?, presumably it’s the same as the Mustang 3.7.

Many thanks
Nick

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Originally Posted by Ncik P
Hi Richard, do you happen to have the part number for the K & N air filter ?, presumably it’s the same as the Mustang 3.7.

Many thanks
Nick


Hi Nick, yes it's a 3.7 Mustang one but the earlier 2011-2014 version, K & N part number 33-2431 available from a number of eBay sources including below.

[Linked Image][/quote]


Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Much appreciated Richard, I’ll get one ordered

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The only issue I ever had on my Roadster were cooling system water leaks. The Roadster cooling system has to work pretty hard, particularly in the summer. I had hellish leaks on mine from around the T-piece. At the time, in 2012, this looked like a common problem and their was an article on Gomog about it.Fortunately it was repaired under warranty - it was the hose that was at fault rather than the tee piece. It was a poor fit, poorly cut and with an inadequate clip.

I don't know if anyone else has experienced this?

Other than that, my experience with the Roadster was overwhelmingly positive. With the Librands Sports exhaust fitted it sounded beautiful and moved like greased lightening. There is no better motoring experience in my view - which is why I am getting a new one.

Last edited by Quicksilver; 06/09/19 02:41 PM.

David
2020 Roadster 3.7 Dove Grey.
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Originally Posted by pete757
GREAT cars....

Honest opinion...

Except for one thing... major IMHO if you like 'driving' properly hard to use the Roadster as a 'drivers car'...

The 'Rev Hang' is horrendous!... so, accelerate WOT in any gear up to the red line, drop the clutch to change gear... and the RPM's 'hang' really high. So when you let the clutch out in the new gear, the revs are way too high to match the new 'gear ratio'... so there is a huge 'lurch'... not good for any element of the drivetrain, clutch, UJ's, passengers! It put me off ever buying a 3.7L Roadster. The 'previous' Ford motor did not have these issues, which I believe are simply related to transplanting the current Ford 'Mustang' AUTOMATIC motor/ECU combination into the manual transmission Morgan.

However... if you just want to 'cruise'... then you can wait a few seconds for the 'hang' to go away and gear changes are sweet.



The rev-hang issue with the 3.7 Cyclone engine as fitted in later Roadsters has previously been aired several times on TM.

Having owned a beautiful 3.7 Roadster for about a year, my personal experiences on the behaviour of the car are as follows:

1. Impossible to change quickly into 2nd gear from high revs in 1st gear. Solution is to either pull away from rest in 2nd gear or short shift into 2nd at low revs in 1st.
2. When changing up at above 3500 rpm ie 2nd to 3rd or 3rd to 4th there is a violent twitch at the rear wheels as the next gear tries to accelerate the car as the engine revs remain high. Solution is to short shift and not use the available power above 3500 rpm or wait for revs to subside before engaging the next gear.
3. If the rear wheels lose adhesion due to a very slippery road surface while on the accelerator, the engine revs will instantly rise due to reduced rolling resistance. If the 3500 rpm tipping point is exceeded, the engine revs will remain high for about 2 seconds or more – even though the accelerator pedal has been immediately released. Effectively the ECU takes control from the driver as it thinks the driver has declutched for changing gear. If, before the clutch can be activated, a rear wheel then finds grip and bites onto a less slippery portion of road the car will be catapulted sideways. Even on a straight and level road at 40-45 mph in 3rd gear. No ifs and no buts to coin a current catchphrase.

Not wishing to bore TM with my driving credentials on both 2 and 4 wheels on public highway and race track, I shall just confirm that I am not a novice driver.

Needless to say, the 3.7 Roadster with ECU issues is not my favourite car.

My regret is not being aware of this issue prior to buying the car. I consider myself extremely lucky to have walked away from an incident where item 3 above actually happened.


Chris

2015 Plus 4 Silverlake Blue
(2014 3.7 Roadster Crystal Blue)
(2012 4/4 Sport Black)


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Thanks Chris. As you suggest most of us learn to live with it. Have just checked this quite long thread and found three rev hang deniers with standard ECU. Wonder how that could be confused2

On a different tack have been doing some investigating regarding front bump stops whilst fitting my SSL RS upgrade. I understand these took the form of a short length of incompliant rubber hose fitted over the top of kingpin and clearly shown and listed in the 2006-2014 Classic parts manual. In the current 2014 onwards manual they have been omitted, a recent strip down of my year old car confirming this.

Now SSL include a bump stop in the Spax dampers supplied in their RS kit, particularly needed given lighter spring they offer, despite addition of rate riser. Doubt that MMC OE dampers standardised across the Classic range in January 2012 (whilst kingpin bump stops still in use) do though. This could account for the bottoming out some suffer from although it's never been an issue for me, despite the AVO's I've had on for most of its 8000 miles not having bump stops either.

Last edited by Richard Wood; 17/09/19 08:11 AM.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Originally Posted by Themorganeer
Originally Posted by pete757
GREAT cars....

Honest opinion...

Except for one thing... major IMHO if you like 'driving' properly hard to use the Roadster as a 'drivers car'...

The 'Rev Hang' is horrendous!... so, accelerate WOT in any gear up to the red line, drop the clutch to change gear... and the RPM's 'hang' really high. So when you let the clutch out in the new gear, the revs are way too high to match the new 'gear ratio'... so there is a huge 'lurch'... not good for any element of the drivetrain, clutch, UJ's, passengers! It put me off ever buying a 3.7L Roadster. The 'previous' Ford motor did not have these issues, which I believe are simply related to transplanting the current Ford 'Mustang' AUTOMATIC motor/ECU combination into the manual transmission Morgan.

However... if you just want to 'cruise'... then you can wait a few seconds for the 'hang' to go away and gear changes are sweet.



The rev-hang issue with the 3.7 Cyclone engine as fitted in later Roadsters has previously been aired several times on TM.

Having owned a beautiful 3.7 Roadster for about a year, my personal experiences on the behaviour of the car are as follows:

1. Impossible to change quickly into 2nd gear from high revs in 1st gear. Solution is to either pull away from rest in 2nd gear or short shift into 2nd at low revs in 1st.
2. When changing up at above 3500 rpm ie 2nd to 3rd or 3rd to 4th there is a violent twitch at the rear wheels as the next gear tries to accelerate the car as the engine revs remain high. Solution is to short shift and not use the available power above 3500 rpm or wait for revs to subside before engaging the next gear.
3. If the rear wheels lose adhesion due to a very slippery road surface while on the accelerator, the engine revs will instantly rise due to reduced rolling resistance. If the 3500 rpm tipping point is exceeded, the engine revs will remain high for about 2 seconds or more – even though the accelerator pedal has been immediately released. Effectively the ECU takes control from the driver as it thinks the driver has declutched for changing gear. If, before the clutch can be activated, a rear wheel then finds grip and bites onto a less slippery portion of road the car will be catapulted sideways. Even on a straight and level road at 40-45 mph in 3rd gear. No ifs and no buts to coin a current catchphrase.

Not wishing to bore TM with my driving credentials on both 2 and 4 wheels on public highway and race track, I shall just confirm that I am not a novice driver.

Needless to say, the 3.7 Roadster with ECU issues is not my favourite car.

My regret is not being aware of this issue prior to buying the car. I consider myself extremely lucky to have walked away from an incident where item 3 above actually happened.



That does not read well?

I don't understand why rev-hang seems to occur in some cars (and owners) and not others?

Mark


Honesty means doing it right, even when no one is looking!

2004 Roadster S1 3.0 V6 gone!

Mark
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I think this may be because not all owners notice this characteristic...

It's much more obvious (read horrendous!) if you give it 'the beanz' up to the redline, followed by a quick gear change... drive


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