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38 38 webber


Blas671

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That's somewhat to be expected of that carb from what I've experienced. I think the vaccuum at idle is a bit low for the 38. It works like a beast when you are driving though right? I think synchronous barrels are the issue. Having a primary jet gives the 32/36 the advantage at startup.

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I can't give any advise on why this might be, but on my l20b, with no engine work other than bored .30 over and ele dizzy, it ran fine. really woke it up. and had zero lag. this was using the smaller port intake, an emissions head, and a cast exhaust manifold. I went from a 32/36 and was really shocked at the improvement, if you are getting lag, i'd be checking some things, vac leaks maybe?

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The 38/38 is a small V8 or 6 cylinder carb. Bogging is to be expected on smaller displacement engines as not enough air is being drawn through the venturies to form a vacuum to draw fuel in and it 'falls on it's face'. You can try a larger squirt from the accelerator pump to get you through this lean area or learn how to 'drive' it. Try 1/3 on take off and add to full throttle in stages as the revs build. Experience will dictate how fast you can add full throttle.

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