Uneven exhaust pressure?

[papasmurf]

Lately I noticed that one exhaust seems to be smoking a little bit more than the other, when I put my hand in front of each the right one seems to have more steady and slightly more pressure to it. The difference is really slight and sometimes it's hard to tell but it's there.

 

I tried syncing my carbs, and they looked like they were already synced as close as I could get them. What else could be the problem?

[vbanshee]

Lately I noticed that one exhaust seems to be smoking a little bit more than the other, when I put my hand in front of each the right one seems to have more steady and slightly more pressure to it. The difference is really slight and sometimes it's hard to tell but it's there.

 

I tried syncing my carbs, and they looked like they were already synced as close as I could get them. What else could be the problem?

 

my money is on piston rings

[fastbanshee8]

Are the air mixture screws adjusted the same?

[rdzbangshee]

put in new plugs and you could have water in the carbs

[ECshee]

shit...mine does this on a fresh topend..bore hone pistons rings coolhead orings...the works. i havent figured it out

[bad 350 shee]

air leak? might be pouring coolant into one side? did you leak test it?

[AKheathen]

well, i described this in detail a few times.....most recent one was in a carb syncing thread a few months ago......once you have mechanically synced them, you can use the vacuum gauge, if you can get a hold of one, or use exhaust pressure balancing to get it close..

[06specialedition]

I haven't used one yet, but I've heard the sync tool is the only way to get them adjusted PERFECT.

 

I would bet its your sync IMO.

[Kev55]

mine does this too and i also have a fresh top end and fresh rebuilt / tuned carbs... I never put much thought into it though because it runs fine

[AKheathen]

i'm kinda anal ocd about it, so mine always runs evenly