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jak1389
04-29-2006, 01:35 PM
hey everyone, i just got finished rebuilding my motor to a 426. i started the jetting at 165 main and 40 pilot. the 165 seemed alittle fat, like it would die and not idle, and have a little ploop sound (sorry, but that best describes the sound). it was not a loud pop like the sound of a lean motor. i moved it down to 162 main and now it pops alot, and when i get to about 1/2 throttle it boggs and feels like its about to die, until i let off the gas. when i rode with the 165 it was the first ride on the fresh motor. i am still breaking it in, and figured i would try and tune the jetting alittle bit better, but i seem to have made things worse. would the 160 actually be too rich, and that is why it is bogging down. i rode it with the 160 for about 5 imn and it seemed to be ok, and then all of a sudden it boggs down at 1/2 throttle. i am bamboozled and need some help. thanks alot.


~jason

speedracer13t
04-29-2006, 07:48 PM
if anything it is prolly too lean. Try a 180 jet. I am running a 406, prociruit exhaust and open air box and have a 175 jet.

jak1389
04-29-2006, 08:33 PM
what elevation are you at, im at 1013ft?