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They certainly look the goods for some serious usage, yet don't really look oversized or aggressive like a mud tyre. The flat tread with square edges protects the almost vertical sidewalls well and the rims get protected too, even though the tyres don't have rim protectors. I'd have no hesitation in taking the rims and tyres on the harshest tracks I've encountered, with the Pedirka PAR probably the worst mostly for its large, sharp boulders.
They look awesome Graeme!
I'm deciding whether to powder coat my rims black before fitting them.
Really interested in how you think they perform on road and off?
I think they should be the toughest tyres in this size because of their LT rating coupled with their LI 115 and the thickness of the sidewalls.
They were noisier than the 19" Hankooks on course-stone bitumen and some minor noise on some very smooth bitumen, but harsh-riding. After letting the pressures down to 32/35 late morning after standing for a couple of hours the harshness had gone but the noise increased significantly to an unacceptable level. Hence I have some fiddling to do to sort out pressures.
The RRV steers at 100 kph around bends with great composure without any hint of the tyres being other than high-speed on-road type. The steering and grip in the current sloppy track conditions (gravel road and hard dirt driveway when dry) is just as confidence-inspiring. These tyres are wide by my standard for gravel or muddy surfaces but don't seem adversely affected other than possible increased fuel consumption especially on unsealed surfaces at higher speeds, but the wide tread and upright sidewalls should be good for rocky terrain too. Its been a long time since I've seen tyres with this profile, with most these days having bulging sidewalls. I haven't yet let them down to soft sand pressures to see how well they elongate before the sidewalls bulge too much but with their larger diameter I think they will be quite OK. After-all, their sidewalls are the same height as 30" tyres on 18" rims but with the advantage of a shallower ramp angle in sand due to being almost 32" rather than 30" and about half an inch wider tread than standard tyres.Quote:
Originally Posted by Blade74
The ride quality and noise both seem acceptable today having raised the pressures by 2 psi for its normal almost empty state. I expect to have to increase rear pressures with extra load to maintain the noise/ride balance. I may still get to build a system to make the CVDs softer for slow bumpy travel (< 50 kph?) when the vehicle doesn't ride ruts and bumps as well as I think it could.
I only spotted late today that the cargo area floor was still sitting up on the spare tyre leaving a gap all the way around letting in road noise from the rear tyres. The floor now sits on 40mm high x 50mm wide Ethafoam 220 strips on all sides with the fridge and toolbox providing some weight to keep it sealed. Maybe that will reduce the noise that's primarily at slower speeds that earlier today I assessed as mostly coming from the rear tyres. Perhaps a denser foam will be needed as Ethafoam 220 is marketed for its load carrying and shock absorption rather for its sound absorption but inexpensive to try.
Interesting.
Is that with the tyre inflated?
Have you done any dynamat in the spare tyre well?
The spare is totally deflated. No Dynamat is fitted so might get some.
Looking to put some 275,s on my RRS, rims are 19" & 9" wide so 275 is just ok from a legality point. Currently has 255's.
Has anybody done this ? If so would appreciate any comments and what brand of tyre you have tried.
Cheers and thx
You need to ask the question in the D3/D4/RRS section as the suspension and body of your vehicle is quite different to that of these L322 Range Rovers, so different limitations on tyre diameter and widths as well as the rim widths.
Graeme
if they fitted, would you nave gone with 18" rims (with an equally capable tyre) over the 20s?
Before the next big will need to decide on either 18s or 20s. Used 20" rims are a lot cheaper, and would allow me to have two sets of tyres (255/55/19s and either 285/50 or 275/55 on 20" rim).
Given you owned a D4 with 19s for a while, I assume you have asked yourself the same question.
thanks