mickey thompson/prado

Submitted: Tuesday, May 03, 2011 at 16:37
ThreadID: 86049 Views:2060 Replies:5 FollowUps:2
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g,day all, i have mickey thompsons 245 70 16 on at the present time wich are getting down a bit, does anyone have thompson 265 70 16 4 or 5 rib wich are 30mm larger circumfrence and how do they go taking off speed wise ,are they a little slower?
slight loss of power going up steep banks ect? any problems?
thanks scott
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Reply By: Madfisher - Tuesday, May 03, 2011 at 17:11

Tuesday, May 03, 2011 at 17:11
Mate my son went to this size 265/70 16 on his Jack and while he has much better clearance it has robbed him of acceleration and fuel economy, but if you are doing rough stuff it is worth it not to be hung up,
Cheers Pete
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Reply By: Kimba10 - Tuesday, May 03, 2011 at 18:07

Tuesday, May 03, 2011 at 18:07
You sure they wont scrub on the inner guards/chassis at full lock ?? I Only went one profile bigger (75 instead of 70) over standard on my 90 with BFG A/T's and they would just touch the inner chassis rail and edge of mudflap. Maybe check out www.pradopoint.com go to the 90 section and see if there is any info on there in regards to tyre size. Regards Steve
AnswerID: 453179

Follow Up By: webstertwin - Tuesday, May 03, 2011 at 18:42

Tuesday, May 03, 2011 at 18:42
thanks will do.
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Reply By: Allfour4x4 - Tuesday, May 03, 2011 at 18:57

Tuesday, May 03, 2011 at 18:57
We have 265 - 75 Cooper STC's on our 95 series, and yes they just touch on the front once in a blue moon, so little we don't even think about. Depends on how much steering lock on and suspension compression.[we have a 50mm lift]
Knocks your speedo reading out somewhat, possibly slightly slower acceleration???
What I did notice (or thought I did initially) was the need to press slightly heavier on the brake pedal, which I guess makes sense given the greater diameter.
AnswerID: 453185

Reply By: Sand Man (SA) - Tuesday, May 03, 2011 at 20:11

Tuesday, May 03, 2011 at 20:11
Scott,

I have just had a chat with my local Bridgestone dealer on the posibility of increasing the Colorado's tyres from 245/70/16 to 265/75/16 to match those on my camper.

His advice was, don't do it. It would be like losing a gear and the speedo will read even lower than the 4kph difference copared to the GPS speed.

I have decided to downgrade the camper's tyres to 245/70/16 to match the vehicle, still giving the end result of having 2 spare tyres between the tug and the camper.
Losing 20mm in height from the camper is not an issue.
I am going to try the Dueler 694 LT (light truck) construction.

What brought all this on?
I staked a Dueler 693 over Easter and on presentation to the dealer to fix on Saturday, they advised the tyre was stuffed with a 25mm split evident on the inside. I elected not to plug the tyre with a safety seal plug at the time and probably saved myself added grief down the track.

The spare now sports a Dueler 694 LT and I have decided to gradually replace the vehicles remaining tyres with the same 694's and put the 693's (about 30,000K's old) on new Sunraysia 7" rims on the camper.

Basically, it is wise to keep the vehicle tyres the same size as the original Manufacturer specifications, if you wish to maintain existing performance.


Bill.
Bill


I'm diagonally parked in a parallel Universe!

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Follow Up By: Member - nick b - Tuesday, May 03, 2011 at 21:46

Tuesday, May 03, 2011 at 21:46
I have changed from 265 to 285 with no problems on a L cruier , I find the larger the tyre the better the ride & Less likley to bog in sand . but need to watch speed as reads slower ,no preformance probs .
I find most dealers don't want to suggest a change of tyre size .
Cheers Nick b
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Reply By: webstertwin - Tuesday, May 03, 2011 at 21:48

Tuesday, May 03, 2011 at 21:48
thanks all,ill stick with "what you know".
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