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how to improve my 60ft times? 

 

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 Post subject: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 12:27 pm 
Getting Side Ways
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Age: 34

Posts: 1353

Joined: 15th Mar 2007

Gallery: 7 images

Ride: AU XR6

Power: 171 rwkw

Location: thornton
NSW, Australia

I'm just not sure what to do, I dont think I'm making enough power to worry about slicks but I cant get lower than a 2.1 60ft.

currently running:
manual
3.45 lsd
225/50/16 tyres let down to 20psi
slightly lower and stiffer than xr spec springs
pedders gsr shocks

not really getting to much wheelspin off the line, but it doesnt jump off the line either

 

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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track.
86 ZL mint grandpa spec with premo sound and 150000km
07 TTG 60000km stock as, mods to come.
97 el futura about to be MOCKed

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 Post subject: Re: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 2:17 pm 
Getting Side Ways
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Age: 45

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Ride: EFII 5.8 NOS TerroristGhia

Power: 274 rwkw

Location: Sydney Australia
NSW, Australia

More revs, ride the clutch a little. A little wheelspin whill help, as long as it is not blazing tyres.

Brett

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 2:29 pm 
Stock as a Rock
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Age: 107

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Joined: 25th Jan 2010

Ride: 1999 au series 1

Location: sydney
NSW, Australia

ebxr82nv wrote:
I'm just not sure what to do, I dont think I'm making enough power to worry about slicks but I cant get lower than a 2.1 60ft.

currently running:
manual
3.45 lsd
225/50/16 tyres let down to 20psi
slightly lower and stiffer than xr spec springs
pedders gsr shocks

not really getting to much wheelspin off the line, but it doesnt jump off the line either

at xmas im going to put my 3.71 diff ratio in the au ? as well as the lokka diff and the auto shift kit !
hopefully then i'll steal your thunder! :D
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 Post subject: Re: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 2:36 pm 
Getting Side Ways
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Age: 40

Posts: 4629

Joined: 23rd Nov 2006

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Ride: 5.0 AU's and 5.0 Maverick

Power: 139 rwkw

Location: Sydney West
NSW, Australia

My 60's were crap as well.
I think the only option with mine is to go to a 2500-3000 stally.

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 3:05 pm 
Getting Side Ways
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Age: 65

Posts: 2548

Joined: 18th Mar 2006

Ride: EF-XR8chaser

Location: wollongong
NSW, Australia

ebxr82nv wrote:
I'm just not sure what to do, I dont think I'm making enough power to worry about slicks but I cant get lower than a 2.1 60ft.

currently running:
manual
3.45 lsd
225/50/16 tyres let down to 20psi
slightly lower and stiffer than xr spec springs
pedders gsr shocks

not really getting to much wheelspin off the line, but it doesnt jump off the line either

drop the clutch on 4000 revs,your boggin down

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 3:57 pm 
Getting Side Ways
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Age: 28

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Joined: 30th May 2005

Ride: 1993 EB XR8

Location: BrisVegas
QLD, Australia

Slip the clutch at the point of peak torque. Also, run some more tyre pressure on street tyres. I have cut a 1.9 on 235/45 17's with 40psi in them. It's the only way to get off the line quick. Too much slip and you get a slow launch, not enough and you just bag them up.

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 4:31 pm 
Getting Side Ways
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Age: 34

Posts: 1353

Joined: 15th Mar 2007

Gallery: 7 images

Ride: AU XR6

Power: 171 rwkw

Location: thornton
NSW, Australia

hans hartman wrote:
ebxr82nv wrote:
I'm just not sure what to do, I dont think I'm making enough power to worry about slicks but I cant get lower than a 2.1 60ft.

currently running:
manual
3.45 lsd
225/50/16 tyres let down to 20psi
slightly lower and stiffer than xr spec springs
pedders gsr shocks

not really getting to much wheelspin off the line, but it doesnt jump off the line either

drop the clutch on 4000 revs,your boggin down


4000rpm is fry city :twisted:

67RCE wrote:
Slip the clutch at the point of peak torque. Also, run some more tyre pressure on street tyres. I have cut a 1.9 on 235/45 17's with 40psi in them. It's the only way to get off the line quick. Too much slip and you get a slow launch, not enough and you just bag them up.


funny you say that I've been going over the slips from yesterday, first three runs I did at 38psi were all 2.1 60's but then I let them down to 20psi and didnt get below 2.25 for my other 5 runs so you might be onto something there.

 

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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track.
86 ZL mint grandpa spec with premo sound and 150000km
07 TTG 60000km stock as, mods to come.
97 el futura about to be MOCKed

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 Post subject: Re: how to improve my 60ft times?
Posted: Sat Apr 03, 2010 11:58 pm 
Getting Side Ways
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Age: 65

Posts: 2548

Joined: 18th Mar 2006

Ride: EF-XR8chaser

Location: wollongong
NSW, Australia

4000rpm is fry city
you only need 2 runs back to back for the brag righs,we did that 30 years ago in a HOLDEN 6 HR SEDAN,2400 IDLE\8500RPM TOP END,TORQUE STARTED AT 4000-4500,SO LAUNCH AT 4000-13.6 RUN AND FOR FUN AND GIGGLES RACE GT 351 FORDS--- :roll: :roll: :roll: :roll: MADE SOME MONEY :lol: :lol: :lol: :lol:

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Sun Apr 04, 2010 10:52 am 
Getting Side Ways
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Age: 35

Posts: 508

Joined: 28th Feb 2009

Gallery: 9 images

Ride: Ed v8 fairmont wagon, wr450f

Power: 137 rwkw

All my runs were the same too, 2.17 for my 15.010 and the rest were 2.224-2.288 even my 15.00 was 2.256...

phill
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 Post subject: Re: how to improve my 60ft times?
Posted: Sun Apr 04, 2010 4:26 pm 
Getting Side Ways
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Age: 65

Posts: 2548

Joined: 18th Mar 2006

Ride: EF-XR8chaser

Location: wollongong
NSW, Australia

ebxr82nv wrote:
I'm just not sure what to do, I dont think I'm making enough power to worry about slicks but I cant get lower than a 2.1 60ft.

currently running:
manual
3.45 lsd
225/50/16 tyres let down to 20psi
slightly lower and stiffer than xr spec springs
pedders gsr shocks

not really getting to much wheelspin off the line, but it doesnt jump off the line either

drop the diff ratio to the 4s and more revs-we ran a 3.89 lsd on stock street tyres, good steel belts,no pressure change and a daily driver

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Wed Apr 07, 2010 10:17 am 
NSW Cruise Moderator
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Age: 39

Posts: 7330

Joined: 5th Nov 2004

Gallery: 12 images

Ride: TE50

Location: ɹǝpun uʍop
NSW, Australia

Without costing too much coin, get some semi slicks. To dpend a bit more, stally and a ratio change, 4.11's will fit nice and work well with your slush-O-matic box.

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Wed Apr 07, 2010 10:20 am 
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Posts: 14508

Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

in a manual i wouldnt go any lower than 3.7s,
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 Post subject: Re: how to improve my 60ft times?
Posted: Wed Apr 07, 2010 10:58 am 
Getting Side Ways
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Age: 34

Posts: 1353

Joined: 15th Mar 2007

Gallery: 7 images

Ride: AU XR6

Power: 171 rwkw

Location: thornton
NSW, Australia

dc_todd wrote:
Without costing too much coin, get some semi slicks. To dpend a bit more, stally and a ratio change, 4.11's will fit nice and work well with your slush-O-matic box.


That would be good if it was auto

 

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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track.
86 ZL mint grandpa spec with premo sound and 150000km
07 TTG 60000km stock as, mods to come.
97 el futura about to be MOCKed

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 Post subject: Re: how to improve my 60ft times?
Posted: Wed Apr 07, 2010 1:07 pm 
NSW Cruise Moderator
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Age: 39

Posts: 7330

Joined: 5th Nov 2004

Gallery: 12 images

Ride: TE50

Location: ɹǝpun uʍop
NSW, Australia

ebxr82nv wrote:
dc_todd wrote:
Without costing too much coin, get some semi slicks. To dpend a bit more, stally and a ratio change, 4.11's will fit nice and work well with your slush-O-matic box.


That would be good if it was auto


Yeah sorry bout that, it was more dirrected at Matt, For yourself, as Troyman suggests, 3.7's will wake it up with some sticky tyres.

 

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 Post subject: Re: how to improve my 60ft times?
Posted: Wed Apr 07, 2010 8:42 pm 
Getting Side Ways
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Age: 34

Posts: 1353

Joined: 15th Mar 2007

Gallery: 7 images

Ride: AU XR6

Power: 171 rwkw

Location: thornton
NSW, Australia

I'd like to but I'd need to find a second diff just for racing, a short trip up my way is usualy 100km or so

 

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9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track.
86 ZL mint grandpa spec with premo sound and 150000km
07 TTG 60000km stock as, mods to come.
97 el futura about to be MOCKed

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