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struggles to get over 100km/h

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porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Sun May 12, 2013 10:34 am

i just got my stock carby rebuilt and normal city driving all seems fine but take her for a run on the highway and she struggles over 80km/h.
foot to the floor kick down kicks in and revs like crazy but no up and go.

any ideas?

1990 Vitara G16a

atari4x4

az supporter

Joined: Mon Dec 11, 2006 10:30 pm
Posts: 34843
Location: East Radelayed
Vehicle: SV420+SV620 Vitara's

Posted: Sun May 12, 2013 10:51 am

standard sized tyres?

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porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Sun May 12, 2013 11:06 am

sorry no... 235 75 15's... i understand the slight slow take off and between 50-80 all seems fine

alien

Joined: Wed Mar 24, 2010 10:30 pm
Posts: 16343
Location: Perth
Vehicle: '92 Sierra, 1.6efi, SPOA, 31s.

Posted: Sun May 12, 2013 1:11 pm

maybe the secondaries arent opening up? (does the vit carby have secondaries?)

Scrawny

I live here!

Joined: Tue Jan 29, 2008 10:30 pm
Posts: 10528
Location: Brissie
Vehicle: Popemobile

Posted: Sun May 12, 2013 1:12 pm

alien wrote:

maybe the secondaries arent opening up? (does the vit carby have secondaries?)

Yes they do. That as my first thought too

Brett

az supporter

Joined: Tue May 27, 2008 11:30 pm
Posts: 1791
Location: Central coast NSW

Posted: Sun May 12, 2013 2:25 pm

Auto? Low on oil, not selecting top.

Chop

az supporter

Joined: Sat Aug 12, 2006 11:30 pm
Posts: 6456
Location: Radelaide ofcourse!
Vehicle: Suzuki GV 03/ 2010 DDIS NGV

Posted: Sun May 12, 2013 2:43 pm

Decomposing cat?

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Chop

Suzuki's are like Mogwai's, they multiply!

porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Sun May 12, 2013 3:23 pm

its a 3 speed auto and does hit 3rd and oil levels ok.. might have to take a trip back to carby place then.

thanks for you input everyone

Built4thrashing

Joined: Wed May 21, 2008 11:30 pm
Posts: 4972
Location: Dandenong .Vic
Vehicle: 1999 GV. Locked and Lifted

Posted: Sun May 12, 2013 5:27 pm

prior to the carby rebuild was it ok?

porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Sun May 12, 2013 7:38 pm

prior to rebuild was ok could easy sit on 120km.... reving its ass off but yeah put the foot down and would move

alien

Joined: Wed Mar 24, 2010 10:30 pm
Posts: 16343
Location: Perth
Vehicle: '92 Sierra, 1.6efi, SPOA, 31s.

Posted: Sun May 12, 2013 10:47 pm

sounds like the jets on the secondaries are blocked....

droverdave

Joined: Wed Dec 19, 2012 7:43 am
Posts: 685
Vehicle: 85 ' Drover

Posted: Mon May 13, 2013 8:55 am

Who rebuilt it?

If it was a shop, take it back and say its worse than when you gave it to them.

porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Mon May 13, 2013 11:18 am

apparently the best place in Sydney rebuilt it. I be ringing them now and see when I can book it in

atari4x4

az supporter

Joined: Mon Dec 11, 2006 10:30 pm
Posts: 34843
Location: East Radelayed
Vehicle: SV420+SV620 Vitara's

Posted: Mon May 13, 2013 12:16 pm

got all the vacuum lines right/double checked them?

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porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Mon May 13, 2013 9:06 pm

I'll have to have a good look. but if idle and timing are perfect how would a vacuum line cause this problem??

zukmeista

Joined: Sun Mar 22, 2009 10:30 pm
Posts: 1273
Location: Whangarei,N.Z.

Posted: Tue May 14, 2013 7:22 am

The secondary throat on the carby is vacumn operated so if the line is not connected properly it won't work.

porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Thu May 16, 2013 2:59 pm

I spoke to the rebuilder and said it could be something to do with the secondary and I can't get into to see him for 3 weeks.
I've bought some new vacuum hose and going to replace all and hopefully check if its all are in the right spots on the weekend.

Fingers crossed. Thanks for all the help people

Scrawny

I live here!

Joined: Tue Jan 29, 2008 10:30 pm
Posts: 10528
Location: Brissie
Vehicle: Popemobile

Posted: Thu May 16, 2013 4:09 pm

That's really poor service!! He should be making more effort to sort this out for you

porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Thu May 16, 2013 4:38 pm

He said I could come in next week but his 1st year apprentice was looking after the place... Family business so I can understand being a self employed person myself. He was quite willing to look and fix it but I just can't get there by tomorrow

porky_one

Joined: Sun May 12, 2013 9:51 am
Posts: 13
Vehicle: 90 SWB Vitara soft top 2' lift

Posted: Sun May 19, 2013 9:00 am

ok I've replaced all the hoses with new ones and the 3 hoses the come from there dizzy,the charcoal canister and the TSV?? were the wrong way round on the carby end. hopefully this fixes the issue with my high lack of speed.
Illl book it in with the rebuilder to make 100% sure i have plumbed it all right and get him to tune it all properly.

thanks for you help guys

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