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I am sorting through a 340 6bbl for a friend . got most sorted out but a inconsistent idle when hot, I read an article in a magazine about the small heat activated valve in the main body of the center carb the lets are bypass the throttle plate to lean the charge. I can`t find it but I thought it send to make a block off plate to stop it from working. did anyone read anything similar ? thanks terry
Whew - those were an awesome setup. You may want to look at this link:
The 6 Bbl tips
Tons of information and pictures.
Good luck!
Glenn
great read, interesting tip on checking lean /rich condition. I can`t see the plate and valve in the main body in the exploded parts view but in can in one of the pictures. I know I have seen a similar part on a 360cid 2bbl stock holley carb.
just had another few hours tuning saw some improvement in idle quality , never realized how much affect the idle adj screws in the out board carb help. hard to reach.