KV6 190 - Upgrades??

TomRS · 27th July 2016, 07:51

Morning,

I'm well aware there's a few threads on this but a lot of them are quite old.....

So can anything be done to improve the 190? as it stands i already have a larger stainless exhaust and a K&N drop in filter, Shannon tube is new.

Just after some more power, i mean if nothing comes up here then i'll grab a spare and get it to an engine builders next year.

charlie 22 · 27th July 2016, 08:58

As a NASP engine and a MG Rover engine there is not much you can do. From my research as I am planning to do the full monty when funds are available. The following can be done:

Performance filter (panel/cone)
Stainless steel exhaust from the exhaust manifold
Piper cams
Cylinder head poiished and ported
Remapp
The above is off the shelf bits and my VERY rough calculation should take it from 187 to 220 and very expensive lol . According to info I have found on the net the componants on the zt were rated upto 220 so I am not looking for silly figures. Even JC on Top Gear said that a boffin at SAAB said that for a front wheel drive car the most effecient power delivery is 220.

TomRS · 27th July 2016, 10:33

Quote:

Originally Posted by charlie 22

As a NASP engine and a MG Rover engine there is not much you can do. From my research as I am planning to do the full monty when funds are available. The following can be done:

Performance filter (panel/cone)
Stainless steel exhaust from the exhaust manifold
Piper cams
Cylinder head poiished and ported
Remapp
The above is off the shelf bits and my VERY rough calculation should take it from 187 to 220 and very expensive lol . According to info I have found on the net the componants on the zt were rated upto 220 so I am not looking for silly figures. Even JC on Top Gear said that a boffin at SAAB said that for a front wheel drive car the most effecient power delivery is 220.

I'd be over the moon with a reliable 220 nasp... i mean 240/250 would be amazing but without going down the re-bore/crank etc its not gonna happen.

charlie 22 · 27th July 2016, 11:11

You would have to spend alot of silly money to get 240/250 and the engine was never designed to go that far. Plus you would have to start thinking of changing orther parts to handel the extra power eg up rated clutch.

Neil1 · 27th July 2016, 11:21

I know of plenty of front wheel drive cars that are pushing more than 220BHP.

I didn't realise these engines were so bad at getting past what is the allowed extra BHP.
Even the diesels you can't push too far because of the cast cranks.

Does make me wonder if a complete engine swap might be a better option with a different manufacturer.

charlie 22 · 27th July 2016, 11:29

I have seen the Top Gear programs where cars are doing 220plus bhp, but the exrta power to me seems only useable in a straight line.

Coups · 1st August 2016, 14:43

Wasn't there a chap in the north of Scotland who was using a modified KV6 in a off-road rally buggy type car? I've definitely warn YouTube clips of it tearing around.

Sent from my iPhone using Tapatalk

minimutly · 1st August 2016, 17:08

No, the kv6 is not related to the ronda (twin cam) 2.7. It is a developement of the late rover 827 engine though (and probably the sedona), and that one did have an alloy inlet manifold.
I'm not on a downer on the inlet manifold as its used, just that it makes tuning difficult. Is it restrictive? i dont know, but it doesnt look it, and anyway, if it was, that would be at the top end, and my 190 goes all the way to the red line without issue.
The exhaust manifold is another matter though...
There is a 2litre autograss kv6 around, had a steel crank, cams, forged pistons.
Went very well, screamed its head off.

willshot · 1st August 2016, 17:34

Not sure if this helps but here is the KV6 racing engine in a MGZR. Andrew Morrison from Stirling ran it for a while in Darlington & District championship. I don't know the spec but it was a quick little so'n'so. Think it was 260 bhp.

Elliott · 1st August 2016, 17:45

Nice......... proper looking engine

27th July 2016, 07:51	#1
TomRS Posted a thing or two Mk1 ZT 190 - Mk2 ZS 180 - Mercedes E63 AMG S - Ford Ranger Hawk Join Date: Mar 2016 Location: Middlesbrough Posts: 1,456 Thanks: 123 Thanked 409 Times in 281 Posts	KV6 190 - Upgrades?? Morning, I'm well aware there's a few threads on this but a lot of them are quite old..... So can anything be done to improve the 190? as it stands i already have a larger stainless exhaust and a K&N drop in filter, Shannon tube is new. Just after some more power, i mean if nothing comes up here then i'll grab a spare and get it to an engine builders next year. __________________ http://i66.tinypic.com/5cd6xj.jpg

27th July 2016, 08:58	#2
charlie 22 Posted a thing or two MG ZT-T 2.5V6, Mazda Cx30 Join Date: May 2011 Location: Greenford Posts: 1,137 Thanks: 875 Thanked 165 Times in 132 Posts	As a NASP engine and a MG Rover engine there is not much you can do. From my research as I am planning to do the full monty when funds are available. The following can be done: Performance filter (panel/cone) Stainless steel exhaust from the exhaust manifold Piper cams Cylinder head poiished and ported Remapp The above is off the shelf bits and my VERY rough calculation should take it from 187 to 220 and very expensive lol . According to info I have found on the net the componants on the zt were rated upto 220 so I am not looking for silly figures. Even JC on Top Gear said that a boffin at SAAB said that for a front wheel drive car the most effecient power delivery is 220. __________________ Ugly Duckling

27th July 2016, 11:11	#4
charlie 22 Posted a thing or two MG ZT-T 2.5V6, Mazda Cx30 Join Date: May 2011 Location: Greenford Posts: 1,137 Thanks: 875 Thanked 165 Times in 132 Posts	You would have to spend alot of silly money to get 240/250 and the engine was never designed to go that far. Plus you would have to start thinking of changing orther parts to handel the extra power eg up rated clutch. __________________ Ugly Duckling

27th July 2016, 11:21	#5
Neil1 I really should get out more....... MG ZT-T CDTI Auto Join Date: Feb 2014 Location: Newton Abbot Posts: 2,624 Thanks: 1,342 Thanked 518 Times in 425 Posts	I know of plenty of front wheel drive cars that are pushing more than 220BHP. I didn't realise these engines were so bad at getting past what is the allowed extra BHP. Even the diesels you can't push too far because of the cast cranks. Does make me wonder if a complete engine swap might be a better option with a different manufacturer. __________________ Rover 75 and MG ZT: The Complete Story

27th July 2016, 11:29	#6
charlie 22 Posted a thing or two MG ZT-T 2.5V6, Mazda Cx30 Join Date: May 2011 Location: Greenford Posts: 1,137 Thanks: 875 Thanked 165 Times in 132 Posts	I have seen the Top Gear programs where cars are doing 220plus bhp, but the exrta power to me seems only useable in a straight line. __________________ Ugly Duckling

1st August 2016, 14:43	#7
Coups Posted a thing or two Rover 75 Contemporary SE Join Date: Apr 2014 Location: Dundee Posts: 1,941 Thanks: 545 Thanked 520 Times in 402 Posts	Wasn't there a chap in the north of Scotland who was using a modified KV6 in a off-road rally buggy type car? I've definitely warn YouTube clips of it tearing around. Sent from my iPhone using Tapatalk

1st August 2016, 17:08	#8
minimutly Posted a thing or two mg zt Join Date: Mar 2014 Location: cardigan Posts: 1,087 Thanks: 28 Thanked 187 Times in 158 Posts	No, the kv6 is not related to the ronda (twin cam) 2.7. It is a developement of the late rover 827 engine though (and probably the sedona), and that one did have an alloy inlet manifold. I'm not on a downer on the inlet manifold as its used, just that it makes tuning difficult. Is it restrictive? i dont know, but it doesnt look it, and anyway, if it was, that would be at the top end, and my 190 goes all the way to the red line without issue. The exhaust manifold is another matter though... There is a 2litre autograss kv6 around, had a steel crank, cams, forged pistons. Went very well, screamed its head off.

1st August 2016, 17:34	#9
willshot Posted a thing or two Ex-ZI190 owner. ,Ford Focus RS Join Date: Nov 2006 Location: Malton Posts: 1,573 Thanks: 1,123 Thanked 301 Times in 198 Posts	Not sure if this helps but here is the KV6 racing engine in a MGZR. Andrew Morrison from Stirling ran it for a while in Darlington & District championship. I don't know the spec but it was a quick little so'n'so. Think it was 260 bhp.

1st August 2016, 17:45	#10
Elliott Loves to post Rover 75 Tourer Join Date: Nov 2015 Location: Sheerness Posts: 261 Thanks: 174 Thanked 61 Times in 50 Posts	Nice......... proper looking engine __________________ I would be so fast if I could only get going