Got (or want) bigger tyres? Come in here!

The new ute
trip01
Here and there
Posts: 35
Joined: October 14th, 2012, 6:30 am

Re: Got (or want) bigger tyres? Come in here!

Unread post by trip01 » March 18th, 2017, 4:22 pm

Just had fitted alloys 17x7.5 p30 with 265 70 17.
Alloy bar, winch. Tyre man recommends oztec 45mm lift.
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Kind Rgds
Dave
Isuzu D-Max 2012, SX Space cab chas, auto, u/floor sound proofing, trip batts, ext fuel filler hose, munji, catchcan, couplertech rust, h/top canopy, under tray boxes, 63ltr water tank, pump, 265 70 17, 30mm lift.

trip01
Here and there
Posts: 35
Joined: October 14th, 2012, 6:30 am

Re: Got (or want) bigger tyres? Come in here!

Unread post by trip01 » March 23rd, 2017, 5:23 am

Booked in for lift at TJM. (XGS 4000 series shocks) Chose the 30mm with 80kg front & 300kg constant load rear.

These hankook dynapro atm rf10's 265 70 17 are 26.7mm taller than our orig 245 70 16's and 19.75 taller than the 255 65 17's. In theory height gain result with tyres and lift should be 56.7mm on old SX wheels and 49.75mm on, if we had the dmax alloys LS model.

PS wheels are roh rtx 17 x 7.5 p30 offset. Stick out factor - rear on the border edge of the tray. Front, just inside guard.
And soon to add 36kg 3 part bash plates. :waycool:
Kind Rgds
Dave
Isuzu D-Max 2012, SX Space cab chas, auto, u/floor sound proofing, trip batts, ext fuel filler hose, munji, catchcan, couplertech rust, h/top canopy, under tray boxes, 63ltr water tank, pump, 265 70 17, 30mm lift.

trip01
Here and there
Posts: 35
Joined: October 14th, 2012, 6:30 am

Re: Got (or want) bigger tyres? Come in here!

Unread post by trip01 » March 30th, 2017, 4:43 pm

Bigger tyres now have 30mm lift...
Rough measure -
Front left Front right
+50mm +45mm

Rear left Rear right
+28mm +21mm
Yet to fit bash plates and Sax equalisers are off. :cool:
Kind Rgds
Dave
Isuzu D-Max 2012, SX Space cab chas, auto, u/floor sound proofing, trip batts, ext fuel filler hose, munji, catchcan, couplertech rust, h/top canopy, under tray boxes, 63ltr water tank, pump, 265 70 17, 30mm lift.

mydmax
Need to get out more
Posts: 5384
Joined: August 4th, 2011, 10:43 pm

Re: Got (or want) bigger tyres? Come in here!

Unread post by mydmax » March 31st, 2017, 12:48 pm

Half of the tyre size increase is above the wheel and so, only the amount of profile difference makes an change to the height.

245 to 265 may be 26.7 mm dia bigger but the height change is 13.35 mm

trip01
Here and there
Posts: 35
Joined: October 14th, 2012, 6:30 am

Re: Got (or want) bigger tyres? Come in here!

Unread post by trip01 » April 3rd, 2017, 4:51 am

Thankyou for response.
My calculations were based on these measurements...
245 70 16 749.4mm diameter
265 70 17 802.8mm diameter
+53.4mm diameter (above and below the wheel) and
+26.7mm radius (below the wheel).
Kind Rgds
Dave
Isuzu D-Max 2012, SX Space cab chas, auto, u/floor sound proofing, trip batts, ext fuel filler hose, munji, catchcan, couplertech rust, h/top canopy, under tray boxes, 63ltr water tank, pump, 265 70 17, 30mm lift.

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