Fordmods Logo

Manual Shifting Auto Gearboxes 

 

Page 2 of 2 [ 23 posts ] Go to page Previous  1, 2

 
Posted: Sun Aug 07, 2005 10:09 pm 
Tyre Shredder
Offline
User avatar

Posts: 319

Joined: 23rd Jan 2005

Ride: AU I forte

Location: Perth
WA, Australia

I know the gear box's are designed not to knacker their selves or the engine by preventing a down gear at too high a speed but i'm talking like taking it from drive to third doing 800rpm @ 60hmph-1 (or something like that). That kinda thing, the revs don't rise and the speed don't drop, however when i put some throttle on the revs rise up past the revs before to get the same speed (ie 1100rpm @ 60kmph-1). If you get what i'm saying here.

 

_________________

PH 4480 racing extractors
lukey 2.5" sports exhaust
Chopper 19"x245 mags
pioneer deck, 6"x1.5" Splits (F) and 6" 3-way speakers (R)
Precision response 4x 100w amp and 1000w mono 10" sub
Got so much more to go!
tint, breaks and spoiler next!

Top
 Profile  
 
 
Posted: Mon Aug 08, 2005 9:37 am 
Getting Side Ways
Offline

Posts: 625

Joined: 6th Nov 2004

Ride: R32 GTR

Location: Brackistan
VIC, Australia

chr!s wrote:
ive manually shifted my ef for the last 100,000k's and now its on 167,000 and its slips a bit between 3rd to 4th but thats it. its fine though. it got damaged the most towing a camper trailer around australia without a transmission cooler... :D



If you're towing anything over about a tonne, dont use D which is overdrive or you'll burn out your transmission quite easily unless you're on a smooth flat and level high/freeway and you're doing 100km/h or greater to ensure the torque converter clutch is locked up.

If you're doing over 65km/h but under 100km/h and the road isn't level, keep the trans in third which is a 1:1 ratio and keeps the torque converter clutch locked. It will not harm your auto one little bit and you DO NOT need a transmission cooler as it will stress your auto LESS than keeping it in fourth and having hte torque converter slipping and burning itself up.
Top
 Profile  
 
 
Posted: Mon Aug 08, 2005 12:29 pm 
Stock as a Rock
Offline

Age: 43

Posts: 169

Joined: 27th Nov 2004

Gallery: 3 images

Location: wollongong
NSW, Australia

Bozz wrote:
chr!s wrote:
ive manually shifted my ef for the last 100,000k's and now its on 167,000 and its slips a bit between 3rd to 4th but thats it. its fine though. it got damaged the most towing a camper trailer around australia without a transmission cooler... :D



If you're towing anything over about a tonne, dont use D which is overdrive or you'll burn out your transmission quite easily unless you're on a smooth flat and level high/freeway and you're doing 100km/h or greater to ensure the torque converter clutch is locked up.

If you're doing over 65km/h but under 100km/h and the road isn't level, keep the trans in third which is a 1:1 ratio and keeps the torque converter clutch locked. It will not harm your auto one little bit and you DO NOT need a transmission cooler as it will stress your auto LESS than keeping it in fourth and having hte torque converter slipping and burning itself up.


thanks mate, yeah i kinda wish i knew about it more when i went but we were using 3rd mostly but we were flying most of the day out the back of nsw and queensland (around 120-130) cause the roads are flats and boring... avergaing around 800-1000ks a day... ayres rock was worth it though...
Top
 Profile  
 
 
Posted: Mon Aug 08, 2005 2:36 pm 
Getting Side Ways
Offline
User avatar

Age: 42

Posts: 516

Joined: 20th Dec 2004

Gallery: 4 images

Ride: EL Manual

Location: S.E. Melbourne
VIC, Australia

bradders wrote:
I know the gear box's are designed not to knacker their selves or the engine by preventing a down gear at too high a speed but i'm talking like taking it from drive to third doing 800rpm @ 60hmph-1 (or something like that). That kinda thing, the revs don't rise and the speed don't drop, however when i put some throttle on the revs rise up past the revs before to get the same speed (ie 1100rpm @ 60kmph-1). If you get what i'm saying here.


It's below your torque converter stall speed. The box has changed to 3rd but the torque converter wont drive the engine any faster becasue the rpm is too low.

 

_________________

Manual EL Gli.
Mods: Crow Stg3, Chiptorque Dynotune. Lukey Exhaust. DBA slotted rotors, EBC Pads. Whiteline Low Susp. EL GT Swaybars, ROH Envy 17 x235 wheels. Vehicle Datalogger Display V2.0,

Top
 Profile  
 
 
Posted: Mon Aug 08, 2005 2:45 pm 
Getting Side Ways
Offline

Age: 38

Posts: 465

Joined: 25th Jan 2005

Gallery: 18 images

Ride: EL Falcon GLI

Location: Melbourne
VIC, Australia

been meaning to ask this question, its nice to hear that my car is not going to explode, smart lil EL :)

 

_________________

Buy my car :) cause i just bought a BA XR6 :)

Top
 Profile  
 
 
Posted: Mon Aug 08, 2005 3:46 pm 
Parts Gopher
Offline
User avatar

Age: 41

Posts: 83

Joined: 8th Mar 2005

Gallery: 7 images

Ride: BF XR8

Location: Perth
WA, Australia

altedxr6 wrote:
when changing down the gears in the auto, say going back to second, if it don't click in straight away, tap the accel pedal .


Ill second that...

Kickdowns are a bit easier on the box than a Forcedown using the shifter...

Nothing much will come of doing downshifts, just make sure that your box is well serviced and you will be fine! ;)

 

_________________

2006 BF XR8 - Lightning Strike with Orange Stripes - Herrod quad system with Herrod extractors, Herrod ram air intake kit, Coil overs, Whiteline swaybars, Kumho KU36's.

More mods to come! (3.73 Diff ratios)

Ex 97 EL Futura, 04 XR6 and 07 XR8 Owner.

Top
 Profile  
 
 
Posted: Tue Aug 09, 2005 3:16 am 
Tyre Shredder
Offline
User avatar

Posts: 319

Joined: 23rd Jan 2005

Ride: AU I forte

Location: Perth
WA, Australia

Yeah but it does'nt drive the engine under any circumstances. do u think that maybe the torque converters wasted or the tranny needs a service? the tranny is way over due, but its one of those i'd want to do, just got a million other things i got to do as well.

 

_________________

PH 4480 racing extractors
lukey 2.5" sports exhaust
Chopper 19"x245 mags
pioneer deck, 6"x1.5" Splits (F) and 6" 3-way speakers (R)
Precision response 4x 100w amp and 1000w mono 10" sub
Got so much more to go!
tint, breaks and spoiler next!

Top
 Profile  
 
 
Posted: Tue Aug 09, 2005 3:23 am 
Tyre Shredder
Offline
User avatar

Posts: 319

Joined: 23rd Jan 2005

Ride: AU I forte

Location: Perth
WA, Australia

well of course it does when i put the throttle on and the car goes faster but like if the wheels are moving faster than the tranny it won't. if you see what i mean

 

_________________

PH 4480 racing extractors
lukey 2.5" sports exhaust
Chopper 19"x245 mags
pioneer deck, 6"x1.5" Splits (F) and 6" 3-way speakers (R)
Precision response 4x 100w amp and 1000w mono 10" sub
Got so much more to go!
tint, breaks and spoiler next!

Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 2 of 2  [ 23 posts ]  Go to page Previous  1, 2

Who is online

Users browsing this forum: No registered users and 89 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Sun Nov 24, 2024 11:41 am All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names