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Difference in rolling Dia between MTR's & HP's (19"
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mobyone
 


Member Since: 23 Dec 2005
Location: Melbourne
Posts: 394

Australia 2005 Discovery 3 4.0 V6 Petrol SE Auto Bonatti GreyDiscovery 3
Difference in rolling Dia between MTR's & HP's (19"

Just got my new set if 19' MTR's Very Happy Very Happy Mr. Green Mr. Green


FACT: there is a 20mm diff in the rolling diameter of the new MTR (255/55/19) vs the HP all weather 255/55/19. (the MTR is only slightly larger probably due to the additional tread depth) but tyres are both same size.

Question...?
Will the extra 20mm rolling diameter of the MTR create havoc with the traction control if I get a puncture and have to replace one MTR with a HP All weather?

Thanks
 What's the point.... it all comes out in the wash anyway!

85 Range Rover
01 Disco Series II
05 D3 V6SE, Bonatti Grey, 19"alloys 
 
Post #54216529th Oct 2009 9:46 pm
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DG
Site Moderator 


Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50934

Wales 

No not at all... I ran 1x 19" MTR, 1x 18" space saver and 2 x 18" Scorpions for 20 miles with no issues whatesoever Thumbs Up
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #54217129th Oct 2009 9:54 pm
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DingMark
 


Member Since: 14 Sep 2007
Location: Perth Oz or Erbil, Iraq
Posts: 388

Iraq 2010 Discovery 4 3.0 TDV6 HSE Auto Ipanema SandDiscovery 4

I agree with the answer or 1 MTR tyre on. However, I once had 2 MTRs on the back and road tyres on front (don't ask why = dumb idea). On perfectly smooth bitumen or rough gravel it drove okay but on more typical uneven bitumen surfaces here the D3 wallowed around like a Nissan Patrol (ie, deadly unstable).
 Jim Dowell - D4 HSE TDi, 12,000 hydraulic winch & hidden winch mount, MTRs, TyreDog, Traxide 2 x aux battery system, fixed air compressor, Dolium roof rack, MitchHitch.
RIP 2005 D3 HSE V8 5 seater gold (stolen and torched) 
 
Post #54233830th Oct 2009 6:22 am
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Craig S-L
 


Member Since: 16 Jul 2007
Location: Tring, Hertfordshire
Posts: 754

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

After I blew one of my front MTR's at Abingdon I actually did about 200 miles in total on 3 part worn MTR's and one pretty well new HP before I got it fixed. They were mainly motorway miles and it did feel a bit weird but the car was fine.
 Craig

2015 D? SDV6 HSE Loire Blue
2009 D4 TDV6 HSE Santorini Black
2006 G4 Challenge V8 HSE (Gone, but fuel bills not forgotten!)
Media Support Vehicle Stage 1 & 2 Thailand and Laos
Driven by Rudi Thoelen, 2003 Winner 
 
Post #54338131st Oct 2009 10:42 pm
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