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Put on some J-pipes or a Heimholz chamber. Here is a formula to figure out the length of the pipes for the rpm range that the drone is happening. Good Luck!
I will be doing this. 1,800-2,100 is where it's loudest, probably going with 1,950/26" length J pipe to get it right in the middle. I hope it helps with the 150rpm below and above.
I will be doing this. 1,800-2,100 is where it's loudest, probably going with 1,950/26" length J pipe to get it right in the middle. I hope it helps with the 150rpm below and above.
There are companies that will sell you adjustable ones too, so that they can be adjusted according to the drone rpm range.
This is for a Pontiac G8, but a welder doesn't care what you put it on I hope that you get the idea though. The adjustable ones look like this:
This is off of a Chevy SS by the same company:
This is just to give some ideas to get rid of drone and to show you how it looks when you install a j-pipe. A Heimholz chamber does a similar job, but looks and works differently.
It's really quite tolerable, the only factor left here is that our cars tend to lug the engine, preferring to lumber around town between 1,400-1600 (The drone in this range can be a little grating if you're not used to it.) when driving nice and easy.
I'll have to lengthen the J pipes by a couple of inches to knock that last bit out, I may come up with an adjustable solution if possible.
04-04-16, 03:47 PM
I hope that you get the idea though. The adjustable ones look like this:
