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Aero engine tuning #481635
08/11/17 03:44 PM
08/11/17 03:44 PM
Joined: Feb 2016
Posts: 1,672
Buckinghamshire
NickCW Offline OP
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NickCW  Offline OP
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Posts: 1,672
Buckinghamshire
Afternoon all,

I have read few previous threads whereby there is a fair bit of interest (especially for Series 1 owners) to increase the power of the BMW V8 and raise the power up to that of later Aero's.

From my research and experience it seems highly unlikely than an exhaust/chip/filter is going to get people up to 320/330bhp like some companies will claim, however if there is any rolling road evidence (before and after - as just "after" doesn't mean much due to calibration variables of rolling roads) I am happy to stand corrected.

I believe there is a lot more power hidden away in such a large well engineered V8 and mods such as inlet manifold (I hear this is very restrictive), exhaust manifold (even more restrictive on the Aeros), high flow cats and cams together with a good map and exhaust could produce pleasing results.

If I recall Si was going to look at developing some off the shelf parts for the Aero, but thought I would ask what people have had done and what results they found?
I know Morgan themselves will have dabbled in this and tweaked the press cars (common practice amongst all manufacturers) so there is definately power out there to be found!

Me personally I would be quite happy with a genuine 330bhp.. cheers


Last edited by NickCW; 08/11/17 03:46 PM.

Aero 8 S1
M3W - Green Shark

"What we do in life.. echoes in eternity."
Re: Aero engine tuning [Re: NickCW] #481651
08/11/17 04:39 PM
08/11/17 04:39 PM
Joined: Jul 2014
Posts: 1,544
Newcastle Upon Tyne
James B W Offline
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James B W  Offline
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Joined: Jul 2014
Posts: 1,544
Newcastle Upon Tyne
I think Adrian ( AJSky2fly) had some work done on his - not sure if was before he bought it?

I quite fancy releasing a few more horses too, although I'm not sure I necessarily need them.... evil

James


Aero8 , Series 1 - Boston Green
Range Rover Evoque S
Smart Brabus Convertible
Honda Monkey Z125
Re: Aero engine tuning [Re: NickCW] #481654
08/11/17 04:45 PM
08/11/17 04:45 PM
Joined: Aug 2013
Posts: 13,606
Salisbury, UK
Peter J Offline
Formerly known as Aldermog
Peter J  Offline
Formerly known as Aldermog
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Joined: Aug 2013
Posts: 13,606
Salisbury, UK
I spent some time looking at this, it seems al the work has been done in the USA, where most of the motors went, fitted into X5 trucks, 545s, 750s, etc.

I found, but lost, a site offering a supercharger to fit into the V, replacing all the inlet stuff and offering +100bhp and +100 ft lbs.

Without traction control I think that increase, especially the torque, might make the cars a bit of a handful!


Peter,
V8s are best....
Tarka the 'Otter Mog....2014 Plus 8
AMG C63 Estate.


Re: Aero engine tuning [Re: NickCW] #481680
08/11/17 06:21 PM
08/11/17 06:21 PM
Joined: Mar 2009
Posts: 8,264
Hampshire
Alistair Offline
Smile, it confuses them
Alistair  Offline
Smile, it confuses them
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Posts: 8,264
Hampshire
It would be cheaper to buy an S2 if you can find one for sale.


Just time to burn a little more petrol before dinner.
Re: Aero engine tuning [Re: Peter J] #481681
08/11/17 06:25 PM
08/11/17 06:25 PM
Joined: Jul 2014
Posts: 1,544
Newcastle Upon Tyne
James B W Offline
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James B W  Offline
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Joined: Jul 2014
Posts: 1,544
Newcastle Upon Tyne
Originally Posted By Peter J
I spent some time looking at this, it seems al the work has been done in the USA, where most of the motors went, fitted into X5 trucks, 545s, 750s, etc.

I found, but lost, a site offering a supercharger to fit into the V, replacing all the inlet stuff and offering +100bhp and +100 ft lbs.

Without traction control I think that increase, especially the torque, might make the cars a bit of a handful!


- coming back from a lovely drive out today I put the power down a little too early when exiting a rather damp roundabout.

A quick fishtail of the rear reminded me we have fair bit of power on tap already.....

No harm done but,just when you think you are a driving God, reality reminds you that you are not
doh

James


Aero8 , Series 1 - Boston Green
Range Rover Evoque S
Smart Brabus Convertible
Honda Monkey Z125
Re: Aero engine tuning [Re: Alistair] #481741
08/11/17 09:23 PM
08/11/17 09:23 PM
Joined: Sep 2007
Posts: 1,591
Oreton, Shropshire
Shooter Offline
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Shooter  Offline
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Posts: 1,591
Oreton, Shropshire
Originally Posted By Alistair
It would be cheaper to buy an S2 if you can find one for sale.


Isn't there still a RHD GTN for sale at a bargain price at the moment? And a LHD GTN in Belgium for sale. Get your power increases there easily! laugh2


Aero 8 GTN. #10

Re: Aero engine tuning [Re: NickCW] #481834
09/11/17 11:19 AM
09/11/17 11:19 AM
Joined: Feb 2016
Posts: 1,672
Buckinghamshire
NickCW Offline OP
Talk Morgan Enthusiast
NickCW  Offline OP
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Joined: Feb 2016
Posts: 1,672
Buckinghamshire
James - I believe Adrian's came to him tuned, think it has a chip and exhaust on it.

Peter - Interesting regarding the supercharger, I always figured they wouldn't fit.. I do wonder if 100bhp and 100lb ft might be an overkill in power and cost, although the supercharger sound would be nice. love

With regards to changing to a different Aero I personally prefer the S1 shape, I would love the buy the GTN for sale currently but at nearly twice the price of a standard S1 I think although well priced to some I have seen - its still way to much.. (for me certainly!)


Last edited by NickCW; 09/11/17 11:20 AM.

Aero 8 S1
M3W - Green Shark

"What we do in life.. echoes in eternity."
Re: Aero engine tuning [Re: Alistair] #481839
09/11/17 12:16 PM
09/11/17 12:16 PM
Joined: Aug 2006
Posts: 7,602
England
Simon Offline

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Simon  Offline

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Joined: Aug 2006
Posts: 7,602
England
Originally Posted By Alistair
It would be cheaper to buy an S2 if you can find one for sale.


The only engine with more power was, as mentioned, the GTN, which had the 4.6is engine, tuned by Alpina. The S2 had the same engine as the S1

I'm always interested to read comments regarding the 4.4/4.8 V8 because no one is yet been able to get more power out of the engine without major modifications(and this included MMC). As for bolting on a supercharger or turbo, general consensus is that you'd struggle to find space to do it in an Aero and would end up with something sticking out of the bonnet like a hotrod!

It would seem that the variable value timing is the limiting factor and this is what stops you from making and noticeable gains in BHP.

As an aside, what I always found frustrating is the large performance difference between standard engines. Aeroman, Asbo, Boshly, MrTony, myself and a few others all put our cars on the same rolling road, on the same day, and there was, iirc, a 30bhp spread between best and worst performing engines. It would seem that the easiest performance gain would be buying a very strong stock engine, rather than one with asthma! wink

Re: Aero engine tuning [Re: NickCW] #481845
09/11/17 12:49 PM
09/11/17 12:49 PM
Joined: Apr 2014
Posts: 331
M
Mark jackson Offline
Learner Plates Off!
Mark jackson  Offline
Learner Plates Off!
M

Joined: Apr 2014
Posts: 331
I think as well as adding just more power, you would have to ask why? If acceleration is your thing, then perhaps a change in rear diff ratio or gears would be better?

Ading bhp also adds heat issues as well, and stress to types and brakes etc.....It all starts to add up.

Re: Aero engine tuning [Re: Mark jackson] #481850
09/11/17 01:16 PM
09/11/17 01:16 PM
Joined: Sep 2015
Posts: 896
TheCustomer Offline
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TheCustomer  Offline
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Joined: Sep 2015
Posts: 896
Gleaning from past posts, I'd summarise the go-faster options as:
- more power - difficult to do, but incremental improvements to be had with exhaust fettling & catalyst removal (but changing the back pressure in the system could be counter-productive)
- less weight. Not much scope here
- more grip. Sticky tyres... a better diff, if one exists. An endless quest to improve the suspension setup.
- more control. Having a more skilled driver is probably the greatest area for improvement. Requires training, some thin-soled footwear. And more training.

shades

Will

Last edited by TheCustomer; 09/11/17 01:18 PM.

Aero 8 S5
BMW i8 Coupe
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