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MG ZR 105 whats the best power mod?

12K views 34 replies 17 participants last post by  1955diesel  
#1 ·
is this a cheap enginhe to mod an is thgere big increases in performance....

i heard someone saying you can fit a mini cooper S superchip to the 1.4k
is this true. if so what performace we looking an how much....

basically dont no weather to get a 1.4 or 1.8

1.4 is obviously better for insurance reasons.
but i want it quick...

as i am used to a rover 200vi....

any help please before i make a mistake buying one.
 
#2 ·
if you want performance dont get the 105 mate, got with the 120 or 160...
Also if you've narrowed it down to the 120 or 160, and you're still thinking about getting engine mods get the 120, its more moddable than the 160! hoope this helps
 
#3 ·
its more moddable than the 160!
How so?

You're starting off with a lot more power for starters. Not only that the 160 head is much improved over the standard 120 head and a lot more can be done with it to gain power. To get the same performance from a standard 1.8 it would take plenty of fettling and a lot more dosh.
 
#5 ·
if you go either i can help get more power from either of them by remapping i beleive they all use the same ecu
Rover 25 1.4 - MEMS3 Rover 25 1.6 - MEMS3 Rover 45 1.6 - MEMS3 Rover 45 1.8 - MEMS3 Rover 75 1.8 MG Rover TF 1.6 - MEMS3
MG Rover TF 1.8 - MEMS3
MG Rover TF 1.8 VVC - MEMS3
MG Rover ZR 1.4 - MEMS3
MG Rover ZR 1.8 - MEMS3
MG Rover ZR 1.8 VVC - MEMS3 the 1.4 16v can get around a 10bhp boost with air filter and remap and although it is illegal not to declare it on your insurance it is undetectable, but also note if you do any other tunning to your car including exhaust systems air filters anything to raise its bhp it must be declared aswell. i would say depending how quick you want to go a 120bhp 1.4 isnt too bad fuel is good and insuarance isnt bad depending on age with a remap young ppl like me get slammed when they tune cars, although the 1.8 will always be faster and thirstier.
 
#11 ·
Oh i wasn't disagreeing with you, in fact your points are extremely valid, and agree the VVC is the stronger unit..

Just stating that with a 120 and PTP conversion to 140BHP opens up a who world of tuning, whereas like my friends 160 which had the Ptp convo to 180BHP has nowhere else to go, don't even think he could turbo it like the 120(which i have a friend who has had this done too)
 
#12 ·
im talking low cost mods here guys/.// not like grands
talking like few hundred,

idearly the 1.4 for insurance and eco..

ive already had the vvc. infact i still got one. only i cant afford insurance. hence its going. wy i want a 1.4 zr
 
#14 ·
Just get a 120 its 6 groups lower on insurance than the 160 and a lot perkier to drive than a 105. I think driving a 105 after owning any VVC would be a dissapointment.
As for just a few hundred on mods, upgrade the exhaust (including the manifold) and that will give a noticable improvement.
 
#13 ·
Well if you cant afford the insurance on the 160 or 120 it only leaves you with one option in the first place! :slap: I wouldn't bother too much about modding the 105 for more performance as you wont get much out of it for a couple of hundred
 
#15 ·
Also why bother getting a 105 and spending a couple of hundred modding it when you could spend the money on the extra insurance for a 120?? The price of the two will be simillar to buy and a standard 120 will be faster than a lightly modded 105 anyway.
 
#16 ·
i must say mean & green, i am 20 years old. and unfortunately, the insurance hike was a canny bit more from the 1.4 to the 1.8. but theirs also other things to consider. tax will be higher on the 1.8, so will fuel costs.
i agree totally with what your saying, but if u dont have much money, and your younger than 25 you have no choice but to get the 1.4 like i did.
im sure there are 1 or 2 mods for the 1.4 that could make a significant difference and would please acropad.

p.s sorry for hijacking the thread
 
#17 ·
You have a valid point I understand where you are coming from. Insurance costs are insane for younger drivers.
I was just thinking that maybe acropad may find himself a bit dissapointed with the 1.4 when he has had a 1.8VVC. Im not dissing the ZR 105 in anyway :)
 
#18 ·
oh i appreciate you aint dissing the 1.4, and your right, if ur used to a 1.8vvc you will notice the step down. just depends how old he is. if hes over 25, shoulnt notice much of an insuraqnce hike on the 1.8
 
#19 ·
insurance..

im 20, full time bum student, driving a 200vi, ive got 3 points for speeding (42 in a 30) one years no claims, i pay a spanking 1800 for third party fire and theft. but still, even if my insurance on a 1.4 wld have been 1400 i wld still have the vi. if u wanna go faster u gotta pay the price. plus, think if ur at the lights next to some ned/chav thinking he's fast in his saxo or corsa, and ur sitting there in ur vi or zr 160 who's gng to be smiling at the end of it? and no i dont condone racng, at all!! but everyone likes to wipe the smile off of a cocky 17year old saxo driver, admit it. even those goonies in their golf gti's pfft.
 
#20 ·
im 20, full time bum student, driving a 200vi, ive got 3 points for speeding (42 in a 30) one years no claims, i pay a spanking 1800 for third party fire and theft. but still, even if my insurance on a 1.4 wld have been 1400 i wld still have the vi. if u wanna go faster u gotta pay the price. plus, think if ur at the lights next to some ned/chav thinking he's fast in his saxo or corsa, and ur sitting there in ur vi or zr 160 who's gng to be smiling at the end of it? and no i dont condone racng, at all!! but everyone likes to wipe the smile off of a cocky 17year old saxo driver, admit it. even those goonies in their golf gti's pfft.

I'd consider a different insurance company.

I'm 21, 5 points :( (99.86 on motorway)
and i've got fully comp insurance on a 216si for ÂŁ650
2 years no claim and 2 years driving experience though.
 
#22 ·
I might of read your post wrong. But you have to pay for the modifications, and the extra insurance, unless you remove the mods, then you will still have to pay for the mods next year too....

:?
 
#23 ·
I might of read your post wrong. But you have to pay for the modifications, and the extra insurance, unless you remove the mods, then you will still have to pay for the mods next year too....

:?
i tihnk you misunderstood me mr fibble. i meant that if you buy a 160 you pay higher tax, insurance, petrol ect ect.with a 105 you pay cheaper insurance, tax, petrol. ok its slower. so you do the usual, induction kit, k&n filters back box yada yada yada.you only buy the modifications once and the car maybe as quick as you want it, i dont knowbut with a 160 you have to pay for the petrol constantly and you pay more for the tax and insurance... every year! hope ive put it across ok. thats my opinion anyways... i may be wrong
 
#26 ·
thanx for the advice but its an 05 reg car, so tpft isnt an option, i have to be fully comp. ive tried alsorts of insurance companies, but the best quote i got was 1200.i dont have any no claims either.alot of me mates had modded their cars, but their insurance hasnt gone up that much. one lad chris actually got reduced by 10 quid, god knows why. maybe its just what i have experienced. who knows
 
#29 ·
hey my opinion is to get the 105.. i just gota 54plate 1 few weeks ago and myn is very quick i dikked a civic type R believe it or not and i only got a ten quid induction kit on... am thinkin about puttin 1.6 injectors and cams in but not sure as i dnt think engine will take it... opinions on that please... :)
 
#33 ·
:slap: Oh, dear....

Firstly, your car already has 1.6 injectors in it. In fact, it gets better - it already has 1.8 injectors in it! :broon: (They're all the same....) A set of different cams would give a minor gain in the 1.4, not worth the money you'd spend doing it.

The best investment you could do would be to buy a standard airbox and K&N (or similar) panel filter for it and ditch the heat-soak cone you currently have. That, and a good service. The 1.4 is already basically at the top of it's game without spending silly money. :broon:

PS... What's with all the thread revivals recently? :lol:
 
#31 ·
LOL there is no way you would have 'dikked' a civic type r, they are way more powerful than your zr 105...he obviously wasnt trying! you would also lose power if its ten quid open cone filter!!!!!! injectors and cams are the same out of a 1.4 and a 1.6 and a 1.8
 
#35 ·
Reviving a 5 year old thread with a dubious post has all the marks of a Trolling exercise so I think we'll give it a rest now and close it. There are plenty of other tuning threads running including one posted by a member of this discussion.
 
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