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Pulsing / Pulsating Exhaust

Pursell1911

New member
Hello,

Got an engine put into my car so it's running again. I notice that my exhaust is pulsing, like vroom...vroom...vroom (maybe every second or so). I don't see the tach going up or down. What could be the cause?

Thanks!

Matt
 


okay, I'll check for that PCV hose when I get home. I'll check the plug wires as well. If plug wires were crossed, wouldn't that cause a misfire?
 
ok, wires are good as it's not misfiring to my knowledge. And my knowledge is when the CEL flashes lol. Car's running pretty good I believe. Seems to be running rich, but I met someone on the dreaded 3800 performance facebook group that lives by me and he's going to help me tune it.
 


I wouldn't trust 99.9% of the people on those boards...last I remember they have ol' Z-Tune Zack Howard helping run those pages.

As for the "idle surge" you seem to be having...any video of it? Stock cam?
 
I will take a video of it. Yes, it's a stock cam. Yea, I much prefer this forum to that page. Seems people here are more knowledgeable.

Sgt - I haven't bought a tuner, but he has one. Said I could use it if I pay for credits.
 
there are some good people on facebook, but you still have to be careful. sounds like you got yourself a hookup on an HP Tuner. I would be all over that.
 
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