Reply With Quote2 ton behind that with bigger tyres i honestly feel you are expecting too much
Master
SupporterHi all, I've done a fair bit of reading on here and else where but I can't find the answer. So I'm hopeing people's experience on this great forum might be able to help. So I've got a disco 2a td5 auto. It's had egr and cat deleted I've put a tune in by trs in Adelaide. It has slightly bigger tyres than normal 265/75 16. The disco has done 150,000ks I'm second owner full service history.
I do a bit of towing with it and this is where my problem starts. I'm towing about 2t not too heavy. When I'm in top gear on the hwy at 100ks and hit a small hill I put my foot down a bit, nothing happens, put it down a bit more, nothing happens put it down more. Now it's about 3/4 throttle and the auto just changes Back and the motor revs and I get slight acceleration. Now what I would like to get it to do is, when I put my foot down slightly the first time. It needs to tip in a bit of diesel and boost and accelerate up the incline. So do people think my vehicle has an electrical or mechanical problem or am I asking too much of the car????
Any ideas and thoughts would be greatly appreciated.thanks Jim
Swaggie
2 ton behind that with bigger tyres i honestly feel you are expecting too much
Master
SubscriberTry third locked up for those situations.
Nick
ChatterBox
SubscriberAs above , those tyres will give you around 10% reduction in torque as well as a speedo reading of 100 kph when your real speed is around 108 - 109 kph, definatly third lock up for hills with 2tonne on the back
Master
SupporterI forgot to mention that I have a nanacon and there are no faults logged. Also I'm travelling around 85ks when it changes back to 3rd.
Master
SupporterI have taken in account gearing with tires and I'm talking true speed not speedo. I had a defender td5 with 285 tires and I know they have different gearing in transfer but I could put my foot down in 5th and it would haul 3t on the back with no problems with hills. Maybe it's the auto that's the problem??
Master
SupporterI really hope that I'm not asking too much of it. It's such a nice thing to drive otherwise. But if it can't do the job then..... any one want a clean low Ks disco👹
Master
SubscriberYou need to change manually to third long enough for it to go into lock up before you come to a hill, gradient or lower speed than 90Ks.Originally Posted by jimbob
Nick
AT REST4.5 tonne with a little 2.5 litre engine pulling it up hill don't expect much, tunes don't add that much power.
Master
SupporterOk here's a question, in top gear, what rpm should I hit full boost when accelerating?
Because when cruising at 100ks the engine is doing 2200rpm and when I put my foot down I'm only getting .9bar of boost. Once the rpm comes up to 2500rpm boost comes up and then I can feel it accelerate.
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