I started having a bit of trouble again with my Holley. I can understand if both idle mixture screws have no effect on manifold vacuum....too much transfer slot being exposed, etc. But only one side having no effect? I removed the screw and shot carb cleaner until it came out the idle bleed and it helped the overall carb running but still no affect on that one mixture screw. Manifold vacuum is 17-18" remember the emissions 6919 has fixed fuel metering for idle and the screws control the air...it's backwards from most Holleys....even the screws are different.
I will say that at idle it smells a bit rich to me.....makes me think the metering block may be a bit warped.....seen that before.
Two thoughts:
1). Swap out the metering block.
2). Perhaps the idle circuit of the emissions 6919 isn't rich enough for a 302 with an aluminum intake (85 Mustang GT), Hooker Comp headers and dual exhaust?
Thoughts? Recommendations?
Thanks,
Mike
I will say that at idle it smells a bit rich to me.....makes me think the metering block may be a bit warped.....seen that before.
Two thoughts:
1). Swap out the metering block.
2). Perhaps the idle circuit of the emissions 6919 isn't rich enough for a 302 with an aluminum intake (85 Mustang GT), Hooker Comp headers and dual exhaust?
Thoughts? Recommendations?
Thanks,
Mike