Quote:
Originally Posted by john in illinois
In my opinion .043 jets are too small . I have a flathead 2 carb engine in my roadster. I put an A/F gauge on it and found stock .045 to.046 worked best.
also it is impotant to check float level very carefully. that has a lot rot do with fuel mixture.
Another variable is air filters. restrictive filters can make jetting difficult.
John
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John,
I agree on both your floats and jets comments. OP- Have you checked the plugs to see if you can tell if it is leaned out?
My 292 c.i. engine with an Edelbrock Slingshot with two 97's. I had to mess with the jetting and I settled back on .046 jets and it runs strong. I tried as big as .048 and as small as .043. With .046's it runs the best.
OP- take the air filters off and see if it changes anything. If that improves it, I'd swap the Mallory back it as well.