Quote:
Originally Posted by 40 Deluxe
Probably as you say, a shade tree mechanic's mistaken idea of an "improvement" to the Holley carb because, as you know, "them oil companies paid off those Holley engineers so cars would use more gas!". There sure are a lot of urban myths in this old car hobby, some old, some new! Like, "if you line up all the ring gaps your engine won't start (or run, or burn oil, or ...something)"; or "you need that 4th oil ring to somehow 'stabilize' the piston"; or "the 'W' as in 30W stands for 'Weight' (it actually means 'Winter'); and the list goes on. Anybody got any more favorite myths?
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I hear ya. Started thinking maybe whoever did it couldn’t get access to a parts source stuck up in the high mountains somewhere and had to come up with a way to lean out the carb. Funny thing is that a black line was painted on the knurled part for clocking it. Guess he thought to fine tune it