Go Back   The 75 and ZT Owners Club Forums > The 75 and ZT Owners Club Forums > The 75 and ZT Owners Club General Forum
Register FAQ Image Gallery Members List Calendar
Notices

Reply
 
Thread Tools Display Modes
Old 24th August 2010, 21:30   #11
buchanan
Buchanan
 
buchanan's Avatar
 
Rover 75 connoisseur se ctdi Auto

Join Date: Feb 2010
Location: Belfast
Posts: 332
Thanks: 3
Thanked 30 Times in 18 Posts
Default

I had my CDTi remapped by Evolution Chips, now 168 bhp/380 torque delighted with it,lovely to drive and when you want to it flies.
buchanan is offline   Reply With Quote
Old 24th August 2010, 21:52   #12
Jakg
This is my second home
 
N/A

Join Date: Feb 2010
Location: Suffolk
Posts: 6,867
Thanks: 0
Thanked 397 Times in 302 Posts
Default

Quote:
Originally Posted by buchanan View Post
I had my CDTi remapped by Evolution Chips, now 168 bhp/380 torque delighted with it,lovely to drive and when you want to it flies.
Hate to do this... but do you have any proof of 168 BHP?

Seems a little OTT tbh...
Jakg is offline   Reply With Quote
Old 25th August 2010, 07:23   #13
car13
Avid contributor
 
MGZT road MGZR wifes & MGZS race car

Join Date: Jun 2009
Location: westhoughton
Posts: 212
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Not really understand the old Bmw engines that Rover were given, what is the differnce to the BMW engine, as these from a similar age were 150+ as standard.

I have to admit my 116 is a bit of a slug but my previous motorway plodder was a 3ltr V6 diesel which did fly.

Is the only differnce between a 116 & 135 a remap?
__________________
Vulcan Racing - MG & Honda Race Team
car13 is offline   Reply With Quote
Old 25th August 2010, 10:40   #14
rossocorsa
Posted a thing or two
 
None

Join Date: Feb 2010
Location: GRIMSBY
Posts: 1,243
Thanks: 0
Thanked 1 Time in 1 Post
Default

Quote:
Originally Posted by car13 View Post
Not really understand the old Bmw engines that Rover were given, what is the differnce to the BMW engine, as these from a similar age were 150+ as standard.

I have to admit my 116 is a bit of a slug but my previous motorway plodder was a 3ltr V6 diesel which did fly.

Is the only differnce between a 116 & 135 a remap?
AFAIK BMW engine has a different variable vane turbocharger (less reliable than the Rover unit which is almost bomb proof) and yes the 116/135 is just a map although a 135 only has 129 model designations seemed a bit vague at MGR
rossocorsa is offline   Reply With Quote
Old 25th August 2010, 13:27   #15
Kevin Williams
Loves to post
 
Rover 75 CDT Tourer [116 bhp] in Wedgwood Blue / MG ZT CDTi [131bhp] in Anthracite

Join Date: Dec 2009
Location: Matlock
Posts: 330
Thanks: 106
Thanked 66 Times in 52 Posts
Default

Hello All,
Just to add to this debate.

I've just bought a ZT diesel after enjoying my 75 diesel tourer.I can't believe the difference between two very similar cars.Both manual, tourer [91k] has full Rover service history from Luffield,ZT [81k] very little....But the Tourer is 116 bhp and sluggish,while the ZT is 131 bhp and flies,particularly when the turbo cuts in!

My question is:would an X part upgrade to the tourer to 131bhp make it theoretically perform the same as the ZT? I appreciate there may be individual issues with both cars to affect their current performance, but tourer has the same issue others have highlighted about lack of acceleration seriously affecting overtaking decisions.

I don't particularly want to go down either the Ron route or an ECU/chip upgrade yet, as I'm happy with the ZT's performance--but,there again, it may have been chipped [how do I tell?].I'll have to remember this when putting it near a T4 analysis.

The only other similar car I've driven is a Facelift 75 diesel CDTi tourer, but that was an automatic.Seemed about halfway between my two in performance...

Your thoughts appreciated.Apologies if I've diverted this thread--not intended, happy for a mod to move it

Kevin
Kevin Williams is offline   Reply With Quote
Old 25th August 2010, 14:57   #16
wutang
Posted a thing or two
 
Rover 75 2.5 auto (LPG) & mg tf 160

Join Date: Nov 2006
Location: Dartford
Posts: 1,124
Thanks: 5
Thanked 39 Times in 36 Posts
Default

Not a diesel man myself but from what I understand the X power upgrade would make the 116 engine perform exactly as a standard 131 engine as the only difference is the software in the ecu. on the diesel I dont know if there is a difference in the gearing between the ZT and the 75 there is on some of the petrol models.

Richard
wutang is offline   Reply With Quote
Old 25th August 2010, 16:53   #17
HarryM1BYT
This is my second home
 
HarryM1BYT's Avatar
 
75 Contemporary SE Mk II 2004 Man. Sal. CDTi 135ps, FBH on red diesel, WinCE6 DD

Join Date: May 2010
Location: Leeds
Posts: 17,273
Thanks: 2,160
Thanked 2,061 Times in 1,586 Posts
Default

The only difference between 116 and the 131/135 was the mapping of the ECU and label stuck on the B pillar. I must say I wasn't happy with the performance of my 95K 135ps 75 when I first got it. I was used to a 3l V6, but its performance has gradually improved as I've sorted it out and since fitting the Synergy 2 it really flies when called upon to.
HarryM1BYT is offline   Reply With Quote
Old 25th August 2010, 21:17   #18
buchanan
Buchanan
 
buchanan's Avatar
 
Rover 75 connoisseur se ctdi Auto

Join Date: Feb 2010
Location: Belfast
Posts: 332
Thanks: 3
Thanked 30 Times in 18 Posts
Default

Quote:
Originally Posted by Jakg View Post
Hate to do this... but do you have any proof of 168 BHP?

Seems a little OTT tbh...
Well thats what i was told by the garage that did it,and the Car feels as if it is. Once i drove it after they had set it up you could tell the difference,car is really quitely very fast you have to keep an eye on the speedo even on the motorway.
buchanan is offline   Reply With Quote
Old 25th August 2010, 21:29   #19
Jakg
This is my second home
 
N/A

Join Date: Feb 2010
Location: Suffolk
Posts: 6,867
Thanks: 0
Thanked 397 Times in 302 Posts
Default

Quote:
Originally Posted by buchanan View Post
Well thats what i was told by the garage that did it,and the Car feels as if it is. Once i drove it after they had set it up you could tell the difference,car is really quitely very fast you have to keep an eye on the speedo even on the motorway.
Did the rolling road it, or are they just the manufacturers quote BHP figures?

I certainly can believe an improvement to 150 or even 155, but 168 seems just a little farfetched.
Jakg is offline   Reply With Quote
Old 25th August 2010, 22:26   #20
Robson Rover Repair
NI/ROI RS
 
Robson Rover Repair's Avatar
 
ZT-T 190 / 75 Diesel x3 / 6 door limo / 216 Cabby / Rover 25 van

Join Date: May 2009
Location: Antrim
Posts: 8,103
Thanks: 299
Thanked 1,046 Times in 568 Posts
Default

BHP figures in remaps are always one of those funny things, ive seen cars with lower bhp and torque but with far better graphs destroy cars running 20/30 bhp more with same engine and mods etc.

Its all about power delivery, mind you some of the modern diesel remaps ive seen with them making the injectors run so hard, I wouldnt be surprised if they managed that.

Only thing would scare me is the injectors giving up with that much extra PSI of fuel being forced through them.

Mind you, wish I could remap the V6 with such a result........ (or maybe im about too! )
Robson Rover Repair is offline   Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 12:48.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright © 2006-2023, The Rover 75 & MG ZT Owners Club Ltd