GQ - cruising revs, manual and auto

Submitted: Saturday, Apr 05, 2008 at 13:14
ThreadID: 56314 Views:1689 Replies:7 FollowUps:0
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Greetings, a question for GQ drivers. I'd like to know what revs a manual GQ does in 4th and 5th gear at 100km/h, and what revs an auto GQ does in 3rd and 4th (overdrive) at 100km/h. Also, what difference does 15in or 16in wheels make to these figures? Thanks. Rob.
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Reply By: Ti Trol - Saturday, Apr 05, 2008 at 13:43

Saturday, Apr 05, 2008 at 13:43
My auto GQ does 1650 RPM in overdrive at 100km/h indicated on the speedo, but I know from my GPS that this is really only 95kph.
No idea what it does in 3rd, I just drive it! Love the auto, but because it has relatively long legs I am looking at reducing the low range gearing. Has anyone done this in a GQ, and how much would it cost?
AnswerID: 296788

Reply By: Member - Barnesy - Saturday, Apr 05, 2008 at 20:13

Saturday, Apr 05, 2008 at 20:13
My 4.2 diesel 5 speed cruises on 110 doing 2800 rpm. Having larger wheels would effectively be the same as having taller gears, lowering the rpm at highway speeds but also making low range taller.
AnswerID: 296844

Reply By: awill4x4 - Saturday, Apr 05, 2008 at 22:44

Saturday, Apr 05, 2008 at 22:44
My 92 petrol efi GQ auto with 265/75/R16 tyres sits on 1750 rpm at 100 kmh in 4th with the torque convertor locked up. In third gear with the torque convertor unlocked it sits on 2600 rpm and with the torque convertor manually locked it sits around 2450-2500 rpm.
Regards Andrew.
AnswerID: 296880

Reply By: Member - Pixie - Saturday, Apr 05, 2008 at 23:21

Saturday, Apr 05, 2008 at 23:21
94 GQ Diesel auto with 15" rims does about 1950 at 100km/h in 4th

Can't remember 3rd but probably 2800ish
AnswerID: 296893

Reply By: Outbackogre - Sunday, Apr 06, 2008 at 13:56

Sunday, Apr 06, 2008 at 13:56
Thanks for the replies folks. Anyone have rpm figures for a manual at 100km/h (both in 4th gear and o/d)? Are deisel and petrol the same. Cheers.
AnswerID: 296974

Reply By: kiwicol - Monday, Apr 07, 2008 at 16:25

Monday, Apr 07, 2008 at 16:25
maual GQ 4.2 diesal 2450 at 100ks in 5th 2800 in 4th. 15inch wheels. Get about 12l/100 and 14-15 towing c/t. 360,000ks on clock. Col
AnswerID: 297204

Reply By: Outbackogre - Tuesday, Apr 08, 2008 at 15:29

Tuesday, Apr 08, 2008 at 15:29
Thanks so much for replies. A related question: assuming that 4th gear on a GQ auto and 5th gear on a manual are overdrive, is 3rd gear on a GQ auto and 4th gear on a manual straight through the box (ie, flywheel rpm = drive shaft rpm)? The reason for these questions is that I want to purchase a GQ as a tow vehicle and wish to clarify the differences between auto and manual.
regards, Rob.
AnswerID: 297386

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