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Big Block Talk! Everything about swapping a big block engine into your cart!



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Old 07-03-2007, 06:04 PM   #1
cousin eddy
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Hey guys I am looking for any help that I can get,my vanguard 18 is having a hesitation while accellerating,I took it out for 3 hours on Saturday and it ran very well,at the end of the day it started to hesitate or bog right after pushing down the gas pedal,it idles perfect and accellerates very roughly than runs o.k. at top speed,I changed the plugs,they were fairly dark from running at 7000 plus feet altitude and also changed the oil and filter.I don't know much about these little carbs but am guessing that something got in there or maybe fuel pump? or any suggestions?Thanks!
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Old 07-03-2007, 06:07 PM   #2
NO NO NO E-Z-GO!
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I'd suggest calling Tom at Cart Parts Plus (1-888-861-2640) and asking him about high-altitude jetting for it.
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Old 07-03-2007, 06:09 PM   #3
cousin eddy
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I do want to jet it, but it did run very well for about 5-6 hours.
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Old 07-03-2007, 06:12 PM   #4
NO NO NO E-Z-GO!
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Something COULD have gotten sucked into the carburetor and clogged a small passageway. I would pull the carburetor, clean all the jets, and put it back. Also, if it were me, I'd replace the fuel filter and fuel line from the filter to the carburetor. Make sure the filter fits in there nice and tightly.
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Old 07-03-2007, 06:35 PM   #5
cousin eddy
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Yeah,good call on the tips,I just talked to Tom and adjusted the idle mixture,that fixed it! Big thanks to Tom. Thanks for the tips no no.
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Old 07-03-2007, 07:26 PM   #6
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No No Problemo! Tom is THE MAN for these big blocks!
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Old 07-04-2007, 03:19 PM   #7
cousin eddy
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Well,I thought that the problem was gone,any more suggestions?
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Old 07-04-2007, 05:23 PM   #8
TheNewGuy
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Default Re: Hesitation

My 18 hp started to do the same thing. I got a K&N air filter from Tom and that took care of it.

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Old 07-04-2007, 06:23 PM   #9
cousin eddy
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How long did it take before it started doing it? Did you try another stock filter? I did try it without a filter but I did not run it too long that way because it is very dusty here right now,it did run fine though without the filter.I guess a trip to Home Depot to get another stock filter will happen in the morning and I will order a k&n next week.
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Old 07-04-2007, 06:31 PM   #10
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It will depend on how dusty it is where you ride. The stock paper filter will
clog up fast.

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