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lol @ my speed limiter: lpg vs petrol 

 

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 Post subject: lol @ my speed limiter: lpg vs petrol
Posted: Thu Apr 27, 2006 2:43 pm 
Tyre Shredder
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when im in petty, i can only go 180..
when im in gas, i nearly hit the needle (220+)


thats mad i never knew that... how hard is to to remove the petty speed limiter?
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Posted: Thu Apr 27, 2006 2:44 pm 
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dude u dont really want to do more than 180 in an AU unless u want the tailshaft to dismantle itself :P

 

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Posted: Thu Apr 27, 2006 2:45 pm 
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Easy...install an XR ECU...gas runs off a different computer so maybe it doesnt recognise the limiter.

How do you know this by the way?
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Posted: Thu Apr 27, 2006 2:45 pm 
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Easy...install an XR ECU...gas runs off a different computer so maybe it doesnt recognise the limiter.

How do you know this by the way?
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Posted: Thu Apr 27, 2006 2:51 pm 
Tyre Shredder
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are u a cop?



i was... i was errr.. on a dyno!!


:D
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Posted: Thu Apr 27, 2006 3:07 pm 
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Me? A cop?

HAHHAHAHAHA your funny...

no curious...dyno...stick with that one..
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Posted: Thu Apr 27, 2006 3:18 pm 
Tyre Shredder
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i was gonna say i did a stand still on grass, but dyno is more beliveable :)
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Posted: Thu Apr 27, 2006 5:53 pm 
Getting Side Ways
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gas gets rid of rev and speed limiter me thinks ;)

 

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Posted: Thu Apr 27, 2006 6:02 pm 
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LPG doens't have Speeed or Rev limiter because both are Fuel cutouts, u can't cut the fuel if its not being injected via stock ECU.

i wonder what would happen if u switched to petrol while at 220 :P

 

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Posted: Thu Apr 27, 2006 6:19 pm 
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if i remember rightly, at 180 the ECU cuts power to the injectors.

LPG has no injectors, therefore no speed limiter

 

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Posted: Thu Apr 27, 2006 7:05 pm 
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bad enough doing that in a SWB, but in a LWB, your lucky your tailshafts well balanced or youd be dead right now.

 

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Posted: Thu Apr 27, 2006 7:16 pm 
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As per above - the speed limiter is a fuel cut. Quite simple to install a fuel cut defender - basically interrupts the VSS signal and stops the ECU from seeing any speed above 180. Most interceptor tuning devices will facilitate this...

Why ANYONE would want to go that fast in one of these things is beyond me!!

 

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Posted: Thu Apr 27, 2006 7:22 pm 
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lol yea no point going that fast unless ure on a track but even then i doubt you'd get tho speeds...and u'd wanna get a better tailshaft before u do that nayway :P

 

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Posted: Fri Apr 28, 2006 12:05 pm 
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Wehn i had the standard ECU in my car was still speed limited to 180km/h on LPG... never been over 160 sinctting the XR ECU.
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Posted: Fri Apr 28, 2006 3:54 pm 
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didnt they do a test on the tail shaft dropping out of the car on mythbusters they even dug a trench for it to drop into. it messed the floor of the car up a bit but nothing to the driver.

 

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