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Re: Turbo Plus 4 Plus -- final report [Re: griffo] #573436
24/04/19 08:30 AM
24/04/19 08:30 AM
Joined: Jul 2007
Posts: 13,841
Suffolk
John V6 Offline
Member of the Inner Circle
John V6  Offline
Member of the Inner Circle

Joined: Jul 2007
Posts: 13,841
Suffolk
Well done. I drove the Mustang with the 2.3l turbo across the states on Route 66 and that flew. In your car it must be even better.


JohnV6
2006 Indigo Blue Roadster S1
Re: Turbo Plus 4 Plus -- final report [Re: griffo] #573438
24/04/19 08:33 AM
24/04/19 08:33 AM
Joined: Feb 2016
Posts: 1,931
East Harling, Norfolk UK
Richard Wood Online NoMood
Talk Morgan Enthusiast
Richard Wood  Online NoMood
Talk Morgan Enthusiast

Joined: Feb 2016
Posts: 1,931
East Harling, Norfolk UK
Thanks Griffo. I guess the light weight advantage follows through on both cars regarding torque transmission.

Yours now gives same torque as 3.7 Cyclone but (amazingly) at lower rpm!


Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom
Re: Turbo Plus 4 Plus -- final report [Re: griffo] #573449
24/04/19 09:38 AM
24/04/19 09:38 AM
Joined: Sep 2014
Posts: 1,445
London
MOG 615 Offline
Has a lot to Say!
MOG 615  Offline
Has a lot to Say!

Joined: Sep 2014
Posts: 1,445
London
The great feature of the 4 cylinder cars is their "chuck ability" compared to the heavier +8s and Roadsters .

With that amount of low range torque you have created something very special indeed, instant go AND good handling.

I must also complement you on your engineering skills and devotion to achieving your goals, not many of us would be prepared to take on such a project.


Andy G
1999 +8 , Indigo Blue.
Ex-John McKecknie/Mike Duncan 1955 +4 racer.
Re: Turbo Plus 4 Plus -- final report [Re: MOG 615] #573452
24/04/19 10:42 AM
24/04/19 10:42 AM
Joined: Apr 2008
Posts: 7,729
Gloucestershire, UK
Hamwich Offline
Talk Morgan Guru
Hamwich  Offline
Talk Morgan Guru

Joined: Apr 2008
Posts: 7,729
Gloucestershire, UK
Originally Posted By MOG 615
The great feature of the 4 cylinder cars is their "chuck ability" compared to the heavier +8s and Roadsters .

With that amount of low range torque you have created something very special indeed, instant go AND good handling.

I must also complement you on your engineering skills and devotion to achieving your goals, not many of us would be prepared to take on such a project.


Absolutely. A fantastic result, you should be very proud of what you have achieved.


Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 1957 R4 CV, 2005 Ferrari Vipar
Re: Turbo Plus 4 Plus -- final report [Re: Hamwich] #573463
24/04/19 12:36 PM
24/04/19 12:36 PM
Joined: Aug 2010
Posts: 2,465
Costock, South Nottinghamshire...
Paul F Offline
Talk Morgan Expert
Paul F  Offline
Talk Morgan Expert

Joined: Aug 2010
Posts: 2,465
Costock, South Nottinghamshire...
Originally Posted By Hamwich
Originally Posted By MOG 615
The great feature of the 4 cylinder cars is their "chuck ability" compared to the heavier +8s and Roadsters .

With that amount of low range torque you have created something very special indeed, instant go AND good handling.

I must also complement you on your engineering skills and devotion to achieving your goals, not many of us would be prepared to take on such a project.


Absolutely. A fantastic result, you should be very proud of what you have achieved.


+1


Paul
Costock, UK
2014 4/4 Rolls Royce Garnet Red
Disco 4
Teddy - 17h1 Irish Draught cross
Re: Turbo Plus 4 Plus -- final report [Re: griffo] #573502
24/04/19 03:08 PM
24/04/19 03:08 PM
Joined: Dec 2009
Posts: 20,941
Devonshire
+8Rich Online content
Member of the Inner Circle
+8Rich  Online Content
Member of the Inner Circle

Joined: Dec 2009
Posts: 20,941
Devonshire
A fantastic achievement and it has been a great project to follow so thanks for sharing it with us all.

Congratulations enjoy your very rapid miles cheers.


Regards Richard

1999 Indigo Blue +8
2009 4/4 Sport Green
1994 Connaught Green +8





Re: Turbo Plus 4 Plus -- final report [Re: griffo] #573503
24/04/19 03:12 PM
24/04/19 03:12 PM
Joined: Oct 2011
Posts: 3,323
Somerset, UK
P
PaulJ Offline
Talk Morgan Addict
PaulJ  Offline
Talk Morgan Addict
P

Joined: Oct 2011
Posts: 3,323
Somerset, UK
I've been watching your project with great interest and thinking that my ARP4 could do with some of the torque you have at your disposal. The only thing stopping me from going down the same route is the fact that if I change my engine, it will no longer be a Cosworth ARP4 and therefore will knock a large chunk of value off the car, on top of the cost of installing the engine - a double whammy.

Well done on the whole job, it must have been very satisfying?


Paul
[Beginning to get the best out of the ARP4]
Re: Turbo Plus 4 Plus -- final report [Re: griffo] #573572
25/04/19 05:50 AM
25/04/19 05:50 AM
Joined: Nov 2018
Posts: 117
Germany, Rhein-Main Area
X
xc68anc Offline
L - Learner Plates On
xc68anc  Offline
L - Learner Plates On
X

Joined: Nov 2018
Posts: 117
Germany, Rhein-Main Area
A great report! I read about it at first in the MSCC magazine. And I think: ohoh, out with a trailer, back with the trailer and an engine... And I think a lot of wives are not happy. They can't see the real worth ;-) (of the future fun). I know it, I' ve got a classic MINI and I found some engines...

Than I see your way: a lot power for (nearly) a budget. And I was not far away to travel to Britain. To collect such an engine.

But than after a cup of coffee it was clear I could never get a chance of "TÜV"/ MOT in Germany and than after 40 years experience in frontwheeldrive cars I' m affraid that on twisty roads the back would be faster than my reaction.

I see you've done it right! And I'm still learning.

René




Last edited by xc68anc; 25/04/19 05:51 AM.
Re: Turbo Plus 4 Plus -- final report [Re: PaulJ] #573578
25/04/19 06:55 AM
25/04/19 06:55 AM
Joined: Sep 2011
Posts: 11,755
Mandello del Lario, Lake Como,...
Gambalunga Offline
Member of the Inner Circle
Gambalunga  Offline
Member of the Inner Circle

Joined: Sep 2011
Posts: 11,755
Mandello del Lario, Lake Como,...
Originally Posted By PaulJ
I've been watching your project with great interest and thinking that my ARP4 could do with some of the torque you have at your disposal. The only thing stopping me from going down the same route is the fact that if I change my engine, it will no longer be a Cosworth ARP4 and therefore will knock a large chunk of value off the car, on top of the cost of installing the engine - a double whammy.

Well done on the whole job, it must have been very satisfying?

Fit a supercharger to the existing engine evil
https://www.jamsportstore.co.uk/products...ant=32560533639


Peter

[Linked Image]
Re: Turbo Plus 4 Plus -- final report [Re: griffo] #573594
25/04/19 08:03 AM
25/04/19 08:03 AM
Joined: Sep 2009
Posts: 4,097
Köln, Germany
Heinz Offline
Part of the Furniture
Heinz  Offline
Part of the Furniture

Joined: Sep 2009
Posts: 4,097
Köln, Germany
The story below is just an example and could happen with a Morgan/Rotrex combination in the same way.
The very car at the link here is actually my Elise equipped with a Rotrex charger.
https://www.rotrex.com/centrifugal-superchargers/lotus/lotus-elise-exige-220s-toyota-1zz/

This all happened 12 years ago, I still have the Elise but it was a very rocky road for a long time! I would NEVER do this conversion again and can advise anyone against it or you take it that you can get into the shallows of unpredictable traps and problems.
After a quick fatal engine damage the tuning garage had to change essential parts of the engine and it worked only reliable by using other connecting rods other pistons etc. so that the compression could be weakened. Since then the engine holds over 56.000 km. The Elise delivers 260 Nm at 4000 rpm and 220 hp from the 1ZZ engine, so a little less power but stronger torque at lower rpm than the 2ZZ conversions.
I would never put a Rotrex charger simply on an engine that is designed as a naturally aspirated engine in terms of compression. Or you work with very little boost pressure but then you must ask yourself if the weak result is worth the costs in relation.

Back to the topic,
Griffo, in my view you did the only right thing with your decision for a complete engine solution.

I don't have any complaints against Rotrex conversions, but one should be careful what he could get involved with.


'14 4/4 graphite grey
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