gearing on toyota surf/hilux

Submitted: Wednesday, Jun 19, 2002 at 00:00
ThreadID: 1329 Views:3008 Replies:2 FollowUps:1
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I have a 1992 Hilux Surf, 2.4 Turbo Diesel. My problem is that at 110km/hr it sits at almost 3,500rpm which is clearly not the best for fuel economy or engine life. How can i improve this situation for long distance on road touring? I know i could fit bigger diameter tyres or muck around with the difs, but are there any other options? and what would be the best approach? Any indication of associated costs would also be helpful. Cheers Jono.
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Reply By: Scooby - Thursday, Jun 20, 2002 at 00:00

Thursday, Jun 20, 2002 at 00:00
We have the same vehicle and find that by travelling at 100k/hr the car is reving at about 3000 RPM.
The motor seems be happy at this speed and we get to see more of the country side.
BTW when our speedo indicates 100 the GPS indicates 105. I think our tyres are 31 inches in diameter which may explain the error.
We travelled from Perth to Canberra and return, towing a trailer and travelling at 90 to 100. Average fuel consumption was 13 l/100k.
AnswerID: 4323

Follow Up By: Jono - Thursday, Jun 20, 2002 at 00:00

Thursday, Jun 20, 2002 at 00:00
thanks Scooby. Yeah, i had pretty much decided to simply stick to below 100km/h but i was just wondering what the other options were. i too have 31inch tyres and i reckon it would become a bit of a hassle fitting tyres that were any bigger as they might come into contact with the guards etc. I doubt very much that it would be worth altering the difs and to stay below 100 as you suggest is probably the way to go.
Cheers mate.
FollowupID: 1849

Reply By: peter K - Sunday, Jul 07, 2002 at 00:00

Sunday, Jul 07, 2002 at 00:00
Visit Frank's Surf Owners Site it's all about surfs by surf owners
Tech info, General info & lots more. Sure you will love the site as i do.
I have a 1996 SSRG intercooled 3.0 Ltr Diesel.

see you at the above web site

Cheers Peter K
AnswerID: 4725

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