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plugs are fouling

Tech Talk for Suzuki owners.

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Posts: 278
Joined: Fri Nov 30, 2007 4:14 pm
Location: bunbury

plugs are fouling

Post by troopy94 »

i had the standard carby in my sierra die on friday so i have put a weber on it. The only numbers i could find on the weber were 27 and 28 i hope this carby will be alright for it but the real p[roblem i have is that the new plugs are very black with some tan coloured spots on them.The car starting running very rough last night and sounded like it was only running on 3 cylinders does anyone know what might be causing it to run this way. Id like to get it running smoothly and reliable im not concerned about getting maximum power as its my transport to and from work
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Joined: Mon Aug 21, 2006 8:40 pm
Location: Albany, WA

Post by Kitika »

It sounds like its running extremely rich and clogging up the plugs preventing them from firing properly. When i had my weber which i later discovered was off a large v6 or similiar i also had the same problems. Is there no other numbers on the weber at all? Maybe somewhere down near the baseplate where it mounts to the manifold?
More Suzuki parts going to the big Suzuki Heaven in the sky!
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Posts: 278
Joined: Fri Nov 30, 2007 4:14 pm
Location: bunbury

Post by troopy94 »

i just went out and had another look and i was wrong about the numbers it has 26 and 27 on the throat tubes on the opposite side to the fuel bowel it only has a throttle stop screw and another on the rocker cover side so i presume that is the mixture screw[/img]
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NIK
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Joined: Wed Aug 13, 2003 12:13 pm
Location: Newcastle

Post by NIK »

26 and 27 sound like the size of the barrels which would probly make it a 32/36, it will be stamped on the baseplate.
Undo the top cover and check the jets airs on top and mains in the bowl, idles are on the side.
It can be jetted to run great on the 1300, I have the larger 38 on my 1600 that can also be jetted to run on the 1300 so theres no worries of yours being to big.
Have a read through the weber thread on here and also on www.zuwharrie.com to good more info.
Nik
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Posts: 278
Joined: Fri Nov 30, 2007 4:14 pm
Location: bunbury

Post by troopy94 »

ok thanks for that i was hoping it was that weber as i have read the info on here bout peoples experience with them.The weber came off my spare motor and it ran that motor very well but i didnt use it long enouh to have the fouling issue before.I havent ported out the mannifold yet does it make that much difference to performance or economy
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NIK
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Post by NIK »

It will give good performance without it but even better if you do.
Nik
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