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ute wont rev past 3000 

 

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 Post subject: ute wont rev past 3000
Posted: Wed Dec 14, 2011 6:20 pm 
Parts Gopher
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Ride: fairlane ute

Location: wodonga
VIC, Australia

Hi

My xf ute max's out at 3100 rpm during gear changes.Have EF motor, EA/EB1 T5 gearbox
and 2.92 diff, 14 inch rims.
It has struggled before on the 250 EFI crossflow as well.
Do ya's reckon going to a later model T5 box with a bit different ratio's might help this?
I cant make good use of BBM install cause i cant get to the switching point.
Have good leads/plugs/injectors/new pump/pod filter.
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 Post subject: Re: ute wont rev past 3000
Posted: Wed Dec 14, 2011 7:44 pm 
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Ride: 2.0 Turbo VW

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Gearbox will not govern the engine.

are you running LPG?

 

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 Post subject: Re: ute wont rev past 3000
Posted: Wed Dec 14, 2011 7:51 pm 
Getting Side Ways
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Ride: BF XR6,

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its obviously something that was on the car before you did the motor swap and is on this car, if you have a gas setup it could need some attention, or maybe try moving your floor mat from under the accelorator pedal :D

 

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BF XR6
xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: ute wont rev past 3000
Posted: Wed Dec 14, 2011 7:58 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
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blocked fuel filter??
or cat converter has collapsed??
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 Post subject: Re: ute wont rev past 3000
Posted: Wed Dec 14, 2011 8:00 pm 
Getting Side Ways
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Ride: BF XR6,

Location: NEWCASTLE
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will it free rev past 3000 rpm if you have it in neutral?

 

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BF XR6
xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: ute wont rev past 3000
Posted: Wed Dec 14, 2011 8:31 pm 
Parts Gopher
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Ride: fairlane ute

Location: wodonga
VIC, Australia

yeah, the bbm switches when its in neutral and i rev from the throttle body, although its screamin its tits off, I'll check the cat but its a different exhaust again with this engine
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 Post subject: Re: ute wont rev past 3000
Posted: Wed Dec 14, 2011 8:34 pm 
Parts Gopher
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Ride: fairlane ute

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i dont suppose the fuel lines are too small maybe, although it would die and splutter if it was fuel shortage wouldn't it? the fuel lines are from a ZL fairlane, the pump is standard E series
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 Post subject: Re: ute wont rev past 3000
Posted: Thu Dec 15, 2011 8:42 am 
Getting Side Ways
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Ride: BF XR6,

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fuel lines wouldnt cause it to not rev past 3000 rpm,
check your accelorator cable isnt stretched or something, get someone to put their foot on the pedal and you look to see if the throttle body butterfly is fully opened,

 

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BF XR6
xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: ute wont rev past 3000
Posted: Thu Dec 15, 2011 8:42 pm 
Parts Gopher
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Ride: fairlane ute

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yeah the throttle opens up full, i am still convinced a different ratio gearbox will help, i'll find out saturday if i am wrong, it is the only common part used with the 3 different engines.
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 Post subject: Re: ute wont rev past 3000
Posted: Thu Dec 15, 2011 8:49 pm 
Getting Side Ways
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blocked cat +1

more power is enough to turn a suspect one inside out every time in my experience.

T5 boxes aren't that dissimilar to give you an extra 1000rpm on gear changes. My au one isn't that much different to my ea, other than 1st gear which is shorter in earlier models. Unless I've misunderstood, in that case hand me the pelican, i'm fairly inebriated.

 

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 Post subject: Re: ute wont rev past 3000
Posted: Thu Dec 15, 2011 8:52 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
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gearbox ratio wont stop the engine from reving...

you havnt said wether or not you have changed the fuel filter??
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 Post subject: Re: ute wont rev past 3000
Posted: Fri Dec 16, 2011 9:07 pm 
Parts Gopher
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Ride: fairlane ute

Location: wodonga
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i havent changed fuel filter for about 6 months, is it likely to block up already? i guess that depends on s**t fuel , tank condition etc, i did notice that the fuel pump was magnetised some how ( are they supposed to be?) and there were metal filings clinging to it, i replaced it.
i'll put a new filter on it anyway and see what happens.
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 Post subject: Re: ute wont rev past 3000
Posted: Fri Dec 16, 2011 11:13 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

that all depends on the fuel and whats been in the tank?
have you been running e10 in it at all? while the e10 wont hurt your engine the ethenol content does have high cleaning properties, so any build up in the tank will be removed and can clog the filter..
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 Post subject: Re: ute wont rev past 3000
Posted: Sat Dec 17, 2011 8:43 pm 
Parts Gopher
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Ride: fairlane ute

Location: wodonga
VIC, Australia

update, pressure tested exhaust, ( put a low pressure guage in the oxygen sensor hole,showed high pressure and traced it to rear muffler,removed muffler and welded in straight thru pipe with ressy/hotdog and ute revved in all gears to 3800+ :) , replaced fuel filter and i managed to hit 4000 relatively easily, cars booked in for new sports sytem, thanks for the info guys
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