cruising revs for 4500 gu auto verses manual

Submitted: Friday, Mar 11, 2005 at 10:51
ThreadID: 21143 Views:1423 Replies:2 FollowUps:0
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Still thinking about upgrading to a petrol gu, and was wondering what the rpms are for the auto and the manual at 100kms. If there is a difference, will this vary the fuel consumption? Thanks.
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Reply By: Member - Beatit (QLD) - Friday, Mar 11, 2005 at 11:09

Friday, Mar 11, 2005 at 11:09
G'day Rob,

I have the 4.8 and am not sure about the 4.5 but the revs are about 2000. Just another thought it would also greatly depend on your set up, are you towing, have a roof rack, bush/beach driving and are you loaded to the gills.

My fuel consumption is pretty poor when touring say Frazer fully loaded (that is 1.3 ton camper, tinnie and fully loaded car). Last trip averaged 3.2Km/litre. This improves to almost 6 when touring unladen (trips from Brisbane to Sydney).

I'm guessing if your doing your sums on 100KPH then you would be looking at it as a dialy driver as opposed to off roading.

Kind regards
AnswerID: 102060

Reply By: flappa - Friday, Mar 11, 2005 at 15:29

Friday, Mar 11, 2005 at 15:29
My 4.5 auto sits just under 2000 rpm (about 1800 from memory) at 100 kph.

I believe the manual is just over (about 2100 rpm).

I think the difference is in the diff ratios.

The extra 300 rpm probably means stuff all in the big scheme of things. They are thirsty anyway , and would expect to get 17 - 18/100 on the highway. You may pinch 1/100 but that can be easily lost with a head wind , roof racks , bad hair day etc
AnswerID: 102072

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