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P4 with flash. verdict #613572
22/01/20 04:08 PM
22/01/20 04:08 PM
Joined: Mar 2009
Posts: 2,113
southwest France
M
meabh Offline OP
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meabh  Offline OP
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M

Joined: Mar 2009
Posts: 2,113
southwest France
A belated New Years greetings to all. For those of you who have gone the whole nine yards with manifold exhaust and ecu flash: how are you finding it?

Re: P4 with flash. verdict [Re: meabh] #613614
22/01/20 07:15 PM
22/01/20 07:15 PM
Joined: Jul 2016
Posts: 227
Kent
R
RBW Offline
L - Learner Plates On
RBW  Offline
L - Learner Plates On
R

Joined: Jul 2016
Posts: 227
Kent
Hi Meabh

I've got the Clubsport map and Librands manifold, it'a the best improvement i've made to my car.

Power and torque are much better, drivability is much improved and mpg has also gone up


2015 Yellow +4
Re: P4 with flash. verdict [Re: meabh] #613615
22/01/20 07:20 PM
22/01/20 07:20 PM
Joined: Dec 2008
Posts: 19,062
South Yorkshire
DaveW Offline
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DaveW  Offline
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Joined: Dec 2008
Posts: 19,062
South Yorkshire
As above!!


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) AR Plus 4
Re: P4 with flash. verdict [Re: meabh] #613616
22/01/20 07:27 PM
22/01/20 07:27 PM
Joined: Dec 2009
Posts: 26,168
Devonshire
+8Rich Offline
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+8Rich  Offline
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Joined: Dec 2009
Posts: 26,168
Devonshire
It would be very interesting to see the before and after rolling road figures for these mods if anyone has a set. I like a bit of science versus emotion.


Regards Richard

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





Re: P4 with flash. verdict [Re: meabh] #613622
22/01/20 09:07 PM
22/01/20 09:07 PM
Joined: Jul 2016
Posts: 227
Kent
R
RBW Offline
L - Learner Plates On
RBW  Offline
L - Learner Plates On
R

Joined: Jul 2016
Posts: 227
Kent
[Linked Image]

the lower figures are the librands manfold and standard morgan map

the better set is the librands manifold and clubsport map

Last edited by RBW; 22/01/20 09:08 PM.

2015 Yellow +4
Re: P4 with flash. verdict [Re: meabh] #613625
22/01/20 09:24 PM
22/01/20 09:24 PM
Joined: Dec 2009
Posts: 26,168
Devonshire
+8Rich Offline
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+8Rich  Offline
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Joined: Dec 2009
Posts: 26,168
Devonshire
RBW thanks for that, they are appreciable gains you have and well worthwhile I would say.


Regards Richard

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





Re: P4 with flash. verdict [Re: meabh] #613628
22/01/20 09:43 PM
22/01/20 09:43 PM
Joined: Jun 2015
Posts: 722
North Somerset, UK
Deejay Offline
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Deejay  Offline
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Joined: Jun 2015
Posts: 722
North Somerset, UK
Agree, significant gains but only to be appreciated if you are happy and able to thrash around at 4000 rpm+. Easy enough on the track but less so on the average traffic infested highway. Those people, (and there are many) looking for more low down grunt and may well be disappointed?


Doug

2011 +4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
Re: P4 with flash. verdict [Re: meabh] #613631
22/01/20 10:09 PM
22/01/20 10:09 PM
Joined: Jul 2016
Posts: 227
Kent
R
RBW Offline
L - Learner Plates On
RBW  Offline
L - Learner Plates On
R

Joined: Jul 2016
Posts: 227
Kent
Personally I think there is plenty of low down grunt for normal driving, but others may of course have a different opinion, it would be interesting to see what other owners think smile

The upgrades have made the car a lot easier to drive in traffic, the 3000 rpm flatspot does not show up on the road, the reluctance when trying to pull away from stationary has alos gone as well.

MPG has increased from around 24 (at best!) to around 35.

Last edited by RBW; 22/01/20 10:09 PM.

2015 Yellow +4
Re: P4 with flash. verdict [Re: meabh] #613632
22/01/20 10:20 PM
22/01/20 10:20 PM
Joined: Dec 2008
Posts: 19,062
South Yorkshire
DaveW Offline
Roadster Guru
DaveW  Offline
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Joined: Dec 2008
Posts: 19,062
South Yorkshire
The exhaust change alone marked a distinct improvement in low down torque. Mine had the standard exhaust, and RBWs graph 'before' is with the Librands system.

The flash then transformed the whole feel right from tickover, with a significant increase in mpg.

So the benefits over the standard set up are well worth it.


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) AR Plus 4
Re: P4 with flash. verdict [Re: RBW] #613635
22/01/20 10:30 PM
22/01/20 10:30 PM
Joined: Dec 2009
Posts: 26,168
Devonshire
+8Rich Offline
Member of the Inner Circle
+8Rich  Offline
Member of the Inner Circle

Joined: Dec 2009
Posts: 26,168
Devonshire
Originally Posted by RBW


The upgrades have made the car a lot easier to drive in traffic, the 3000 rpm flatspot does not show up on the road, the reluctance when trying to pull away from stationary has alos gone as well.

MPG has increased from around 24 (at best!) to around 35.


That mpg increase is impressive in as much that the standard was pretty dire by modern engine standards - well into Trad Plus 8 3.9Ltr territory.
For that reason alone the man maths is making sense all round, enjoy the miles.


Regards Richard

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





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