R33TOM Posted June 2, 2006 Share Posted June 2, 2006 sorry for hi-jacking the thread but do you guys normally drive with overdrive on or off? and whats the difference? i know on highway if your crusing at 100/110 it will engage the overdrive gear, but just generally driving around town going 60 - 70 do you have overdrive on? Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2223274 Share on other sites More sharing options...
GTR_STEALTH Posted June 2, 2006 Share Posted June 2, 2006 Generally if im just cruising around i drive with o/d on. If im planning to give it a bit of boot, then i'll switch it off and maybe drop to second to get the revs right up..... Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2224646 Share on other sites More sharing options...
kjb_r33 Posted June 2, 2006 Share Posted June 2, 2006 Ive a r33 with auto for nearly 5 years now, no problems at all, and im not easy on it. I control manually when the shifts happen, but every now and then ill let the computer do it. I am also running an aftermarket ECU (motec M48) and have no problems with line pressures or shift points. It is a FOUR speed box (o/drive being the 4th gear), with a lock up torque converter. I NEVER have over drive switched on unless im travelling over 80k's. All the autochanging in and out at around the 70'k mark is not good on clutch packs. Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2224665 Share on other sites More sharing options...
**JaR** Posted June 3, 2006 Share Posted June 3, 2006 yeah. you really shouldnt use o/d unless your going over 80k's Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2224944 Share on other sites More sharing options...
Modena Posted June 4, 2006 Share Posted June 4, 2006 I find that above 40km/h with OD off it revs harder... so i have it on always. Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2227666 Share on other sites More sharing options...
LiQuid IcE Posted June 4, 2006 Share Posted June 4, 2006 yeah I use to drive with it on always because it revved lower, but after some research found that even though it rev's higher its not wasting any more petrol, and you use alot less throttle to pik-up I turn O/D on when I'm hitting about 70kph Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2227759 Share on other sites More sharing options...
LiQuid IcE Posted June 4, 2006 Share Posted June 4, 2006 Did a search and found what I was looking for... http://www.skylinesaustralia.com/forums/in...topic=8842&st=0 old thread on this topic Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2227768 Share on other sites More sharing options...
_8OO5TED_ Posted June 4, 2006 Share Posted June 4, 2006 Definately a 3spd with an overdrive. the RB25 auto gearbox has its own ecu as well doesnt it? Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2227769 Share on other sites More sharing options...
b1ancardi Posted June 4, 2006 Author Share Posted June 4, 2006 (edited) strange, because with the overdrive on VLs, I drive with it on (pwr button sticking out) since it doesnt really come into effect until you go over 70 anyway. I only have it off if I'm going up hills or have a heavy load Edited June 4, 2006 by b1ancardi Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2228069 Share on other sites More sharing options...
**JaR** Posted June 5, 2006 Share Posted June 5, 2006 the RB25 auto gearbox has its own ecu as well doesnt it? yeah. Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2229429 Share on other sites More sharing options...
dangerman4 Posted June 10, 2006 Share Posted June 10, 2006 the gtst r33 auto is a 4 speed the gts r33 auto is a 5 speed Link to comment https://www.sau.com.au/forums/topic/120166-r33-gtst-auto-box-jatco-re4ro1a-review/page/2/#findComment-2244727 Share on other sites More sharing options...
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