Any input or suggestions?
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Senior Member
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Any input or suggestions?
My idea is this:
I still have the stock factory muffler I took off several years ago. My plan is to replace the muffler with a gage installed on the engine side to measure the stock backpressure.
I will take the reading at the rpm where the engine is suppose to produce the most torque.
Then I will replace the muffler with different size step-downs until I achieve the same backpressure (thus creating a sort of bottle neck). By doing this, one should be able to run strait pipes out and still maintain the backpressure the engine needs. Putting mufflers behind (or in front of) the bottleneck so the combination of the two will create the proper backpressure is also a possibility.
My question is does anyone know what pressures I should expect so I can get the proper gage?
Also, at what RPM does the 4.6 produce the most torque?
Any input or suggestions?
I still have the stock factory muffler I took off several years ago. My plan is to replace the muffler with a gage installed on the engine side to measure the stock backpressure.
I will take the reading at the rpm where the engine is suppose to produce the most torque.
Then I will replace the muffler with different size step-downs until I achieve the same backpressure (thus creating a sort of bottle neck). By doing this, one should be able to run strait pipes out and still maintain the backpressure the engine needs. Putting mufflers behind (or in front of) the bottleneck so the combination of the two will create the proper backpressure is also a possibility.
My question is does anyone know what pressures I should expect so I can get the proper gage?
Also, at what RPM does the 4.6 produce the most torque?
Any input or suggestions?