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missing up high 

 

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 Post subject: missing up high
Posted: Sun Jul 23, 2006 10:35 pm 
Getting Side Ways
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Age: 37

Posts: 1052

Joined: 12th Nov 2004

Ride: NC II Fairlane

Location: Newcastle
NSW, Australia

gday guys.

Under hard acceleration the silver(car) is sorta missing high up in the rev range around 4000 on lpg,but doesnt do this whilst on petrol.

It doesnt do it down low at all .

one thing i also noticed is that the car was changing gears at 4100rpm.the max power in the v8 is around 4500 so i wouldve thought that it would change then,even on petrol it changes at 4000.

i'm thinking its leads or plugs as there must not be enough spark to keep going to 4500rpm causing it to miss.

any thoughts appreciated.
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Posted: Sun Jul 23, 2006 10:37 pm 
Getting Side Ways
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Location: Horsham
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what is it??
ef yeah

 

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Posted: Sun Jul 23, 2006 11:13 pm 
Getting Side Ways
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Ride: NC II Fairlane

Location: Newcastle
NSW, Australia

thought you wouldve read my name..........its a 94 nc 5ltr

 

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Posted: Sun Jul 23, 2006 11:14 pm 
Getting Side Ways
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Age: 33

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Ride: EF Falcon

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so eb erra???


Under hard acceleration the silver(car) like i know what type of car you have that is silver

 

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Posted: Sun Jul 23, 2006 11:39 pm 
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Age: 36

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Joined: 23rd Jul 2006

Location: sideye
NSW, Australia

efbignik wrote:
so eb erra???


Under hard acceleration the silver(car) like i know what type of car you have that is silver


just assumed most people wouldve figured i had a nc fairlane by my name.......
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Posted: Tue Jul 25, 2006 11:55 am 
Oompa Loompa
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Ride: ba xr8 auto

Location: Bunbury
WA, Australia

left in drive autos will change at a preset rev range do it yourself and you should beable to change at any rev range you like the miss on gas might be a mixture problem as gas is more for economy than power check leads plugs and injectors for any failures then try the mixure. petrol will always run better and if it dont miss at that rev range on petrol im thinking mixture problem for the gas

 

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