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Weber jetting

Old Dec 30, 2003 | 08:30 PM
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From: Ft Worth Tx
Weber jetting

Need help.
Using a 40DCOE on a GT3, moved up from EP, switching the carb from a modified stock unit to the weber has given me a miss, changing plugs and ingniters didn't do a thing. Plugs look dry but rich (dark), which can be explained by the use of premix, no injector pump. Motor is pretty much stock, out of spec car, money went twords getting it to be a big go cart.
What jets should I start to look at? Idles good, zings up to 10k easy, hint of a miss there, most of it is in midrange.
Help.
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