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Do you want to make the engine quieter everywhere, or just make it less audible from inside the cab? There are several price-conscious (less than $100) mods you can do to drastically quiet the engine and actually make it run better. Or, you can just mask the sound inside the cab.
7.3 fully built longblock for sale PM me
i agree with Kris, the hutch and harpoon mod really quites down the truck at idle (it's the next mod...) and the HPX line is supposed to smooth out the engine at idle. all the mods are pretty cheap and easy to do.
hope this helps.
02 F250 7.3 CC lariat 4x4. mods: 6637 and HPX so far...
The intanks really help with the cackle, another thing to look at is the lower door sweeps. The front edge has a tendency to get bent down or just dry out and not seal well and much road noise can enter there.
WOAH, slow down here, lower door sweeps? Is my truck missing something cuz all i got is the weather stripping on the actual body of the truck, there isnt anyone rubber on the door except the window gasket. I may have to make an emergency buy.
99 F-350 CCLB 4wd lifted
05 F-250 RCLB 2wd, soon to be lowered
Yeah, the 99's are missing it as far as I've seen. There is always the "stuff tubing in the door seals" trick that helps kill wind noise.
2014 Fusion Energi Plug-In Hybrid Daily Driver
2012 Race Red Boss 302 Track Car Early 99 F250 PSD 4x4 CC 6spd Common Mods 300,000+ Miles, No longer driven daily
1964 Falcon Convert 289 Toploader 9" 4 Wheel Disks
Nov '10 Recipient: "dedicated report-back tech thread poster" award!
You have a 5" strait pipe. ie. no muffler. If you want the noise, enjoy the noise. If you just want other people to hear it than get some amps and big speakers and broadcast the sound of a diesel truck....
Not meaning any offense but wanting others to hear your noise and not wanting to hear it yourself sounds a bit off. Reminds me of those tuners who blast the stereo while they are inside paying for gas..
There should be a thick piece of rubber gasket along the bottom of your door, right below where the whole door trim stops and the painted sheetmetal starts. You can easily see it when you open the door.
If you don't have the gasket, you should see about 6 holes, spaced about 4 inches apart, that is where the screws go in to hold the gasket.
I don't know how much soundproofing it does, but it does alot of waterproofing. If you don't have that strip you are probably getting alot of dust/must on the inside of your door when driving in the rain.
Early 99 F250 SuperCab PowerStroke 7.3 2x4
289k miles and rolling strong. 17/21 mpg
Muffler and CC delete A/C heater core mod
boost, tranny, egt gauges
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