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93 SWB Vitara Carb help!
https://auszookers.com/forum/viewtopic.php?f=5&t=16999		 Page 1 of 1
Author:  FullyZooked [ Tue Nov 23, 2010 9:20 am ]
Post subject:  93 SWB Vitara Carb help!
Simple question with no doubt a simple answer...I couldn't find anthing on search :(

On my Vitara SWB it doesn't look like the secondary is opening? With the engine off and stepping on the gas I get a good shot of juice from the primary, when the engine was running, I had the missus floor it breifly and I am getting no action from the secondary? (which has the larger bore diameter on the left)

Am I missing something? At what point in the rev range, throttle position or vacuum pressure should I see the secondary open?

I am sort of hoping it indeed is not opening and once I fix it I will have another 200hp available to use at my pleasure. Or ateast enough to do a little skid when out in the sticks! LMAO! :twisted:
Thanks guys,
Author:  joeblow [ Tue Nov 23, 2010 9:38 am ]
Post subject:  Re: 93 SWB Vitara Carb help!
it opens under vacuum load, not reved in a driveway.
Author:  FullyZooked [ Tue Nov 23, 2010 9:46 am ]
Post subject:  Re: 93 SWB Vitara Carb help!
Alright, is there a way to test this in a driveway?
Author:  royce [ Tue Nov 23, 2010 9:47 am ]
Post subject:  Re: 93 SWB Vitara Carb help!
rip a big skid

if it didnt open while driving it would be slow as, disconnect the vacuum hose to teh diaphragm and go for a drive
Author:  joeblow [ Tue Nov 23, 2010 9:48 am ]
Post subject:  Re: 93 SWB Vitara Carb help!
pull off the vacuum line and one way valve if equipped and hook the line up to a port on the manifold (not carby base)......run the motor and you will see if it works.
Author:  FullyZooked [ Tue Nov 23, 2010 10:00 am ]
Post subject:  Re: 93 SWB Vitara Carb help!
Righto, I was checking this in the first place as my Vit struggles to get over 100km/h with the 235/75/15's on. Does this sound about right? It is real gutless on the highway...:(

I will have a fiddle.
Author:  MacDaddy [ Tue Nov 23, 2010 5:44 pm ]
Post subject:  Re: 93 SWB Vitara Carb help!
FullyZooked wrote:
Righto, I was checking this in the first place as my Vit struggles to get over 100km/h with the 235/75/15's on. Does this sound about right? It is real gutless on the highway...:(

I will have a fiddle.


Hmmm, no it shouldnt be that gutless, even with 235's... i had 215x75R15's on my old 89 Carby Vit, if i planted my foot from 100kph, i could easily wind out to 140kph... sounds more like you need the carby tuned properly, or overhauled, makes a big difference, and when did you last check the timing ?
Author:  FullyZooked [ Tue Nov 23, 2010 6:30 pm ]
Post subject:  Re: 93 SWB Vitara Carb help!
Shit 140! I may get 110 on the flat. I better look at timing and you probably right, it may be worth a carbie kit. Thanks!
Author:  mightymouse [ Tue Nov 23, 2010 9:11 pm ]
Post subject:  Re: 93 SWB Vitara Carb help!
buy a vacuum pump tester from supercrap and test it by connecting it to the hose and watch the secondary to see if there is a feaction.
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