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boss 290 surging 

 

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 Post subject: boss 290 surging
Posted: Sun Jun 08, 2008 11:21 am 
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Joined: 8th Jun 2008

Ride: ba gt-p

Location: sydney
NSW, Australia

has anyone had problems with the ba gt-p 290 surging or hunting at low speeds its worse when the engine is cold. accordin to the tacho it fluctuates about 3-400 rpms when im trying to sit on 60 kmh
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Posted: Tue Jun 10, 2008 3:59 pm 
Oompa Loompa
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Age: 30

Posts: 33

Joined: 1st Dec 2006

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Location: melbourn
VIC, Australia

i think the ba v8's had problems with the fuel pump they lean out at top

end but i could be wrong n the hunting could be the throttle body good

sorry i coould be any more help good luck. :D
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Posted: Sat Dec 13, 2008 3:27 pm 
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Location: pearth
WA, Australia

Hey Mate.

dose it hunt at idle? i would try cleaning out the throttle body. takes about 10sec with a clean dry rag.

It helped in my super pursuit sometimes when i started it it idled rough till she warmed up a bit or stabbed the throttle for a sec.

hope that helps.
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Posted: Sat Dec 13, 2008 10:38 pm 
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Age: 36

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Joined: 24th Nov 2004

Ride: '06 BF GT-P

Power: 293 rwkw

Location: Canberra
ACT, Australia

Apparently, that's pretty normal for BA 290's. The changes made to the BF 290's smoothed it out more. I still get it occasionally but it's only noticeable on the tacho (can't feel it).

 

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1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

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Posted: Sat Dec 13, 2008 11:50 pm 
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Location: pearth
WA, Australia

mines a BF but yeah thats really weird :? is yours a man or auto? i'm thinking it might be a problem with the tacho if you can't feel/hear it coming from the engine.
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Posted: Sun Dec 14, 2008 12:04 am 
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Age: 36

Posts: 6275

Joined: 24th Nov 2004

Ride: '06 BF GT-P

Power: 293 rwkw

Location: Canberra
ACT, Australia

ZF auto. So any engine surging may be taken up by the torque convertor.

I do have noticeable surging, first thing in the morning during winter - reversing out of the garage is a little bumby. But it's gone by the end of the driveway.

 

_________________

1998 DL LTD in Sparkling Burgundy, daily, 302W, stereo, slow - 97.5rwkw
2006 BF GT-P in Ego, mods. 293rwkw - 12.427@109 - 0-1000m 24.838@221

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Posted: Sun Dec 14, 2008 12:15 am 
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Location: pearth
WA, Australia

yeah mine is a ZF auto too. great boxes far better than the BTR 4 cogger in my old mans BA GT-P.

thats what mine did until i cleaned the intake and throttle body, also through a bottle of flush lube injector cleaner through the 98octane BP and now she purrs like a kitten 8-)

Last edited by Jerome on Sun Dec 14, 2008 10:00 pm, edited 1 time in total.

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Posted: Sun Dec 14, 2008 1:35 am 
Parts Gopher
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Age: 42

Posts: 89

Joined: 2nd Nov 2007

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Ride: bf xr8 ute & 67 fastback mustang

Power: 294 rwkw

Location: modbury north
SA, Australia

Has it got a flash tune or is it stock ,or could also be T/B position sensor i know they had a few probs with them.

 

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DRIVE HER STRAIGHT SIDEWAYS

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