Why does my truck backfire?
Thread Starter
|
Senior User
Joined: Aug 2003
Posts: 239
Likes: 2
Why does my truck backfire?
I have an '89 F150 with a 302, completely stock, no changes to emissions, nothing. I just added a "Y'd" out dual exhaust after the catalyctic converter, no mufflers, all pipe, sounds great, but when I deccellerate, it back fires a lot. Is this common trait? Or is there something wrong with my truck? Which would be weird because it runs perfectly fine, to me anyway. Is something out of tune? How would I tell what is wrong? Is there a way I can overcome this?
Junior User
Joined: Nov 2004
Posts: 97
Likes: 0
Ram, its not backfiring it sounds cool!! 
It's not a problem or a backfire. You are hearing a pressure collapse in the pipe due to the loss of backpressure by having no muffler. It will not cause you any problems and if you need to fix it, install a muffler inline. Actually, if you install a low restriction muffler, like a flowmaster, chances are you would still hear this noise.
My 2 cents.
It's not a problem or a backfire. You are hearing a pressure collapse in the pipe due to the loss of backpressure by having no muffler. It will not cause you any problems and if you need to fix it, install a muffler inline. Actually, if you install a low restriction muffler, like a flowmaster, chances are you would still hear this noise.
My 2 cents.
Thread Starter
|
Senior User
Joined: Aug 2003
Posts: 239
Likes: 2
Cool...I can live with the noise, hope the cops can too
I had no idea what the noise was, I love my truck, don't feel like harming it!
The "popping" noise really echoes through the tips...not sure if I should leave them on now.
Thanks
I had no idea what the noise was, I love my truck, don't feel like harming it!
The "popping" noise really echoes through the tips...not sure if I should leave them on now.
Thanks
Freshman User
Joined: Apr 2004
Posts: 38
Likes: 0
From: Platteville, WI
If you think its loud now, wait till you get some mileage on those pipes. I took the muffler off my 96 5.0L 2 and a half years ago, it is much louder today then when I got it back from the shop.
Thread Starter
|
Senior User
Joined: Aug 2003
Posts: 239
Likes: 2
Lol! Hahaha...I like that "Goofy kid" behind the wheel. You've pretty much summed up everything there is to say about me. So it's perfect then, the exhaust stays!
So it's perfect then, the exhaust stays!
Trending Topics
Postmaster
Joined: Jun 2004
Posts: 2,665
Likes: 0
From: B/CS, Texas!!
Mine sometimes does a different sound though. This happens at light throttle. It doesnt sound pretty 
. Oh well, I'm gonna cut one of my cats off and put a single chamber flowmaster.
. Oh well, I'm gonna cut one of my cats off and put a single chamber flowmaster.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
Thread
Thread Starter
Forum
Replies
Last Post
silveradoduane
2007 - 2014 Expedition & Navigator
4
Feb 18, 2017 01:02 AM
Robert Skinner
1973 - 1979 F-100 & Larger F-Series Trucks
4
Aug 26, 2015 02:05 PM
Ratsmoker
FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428)
15
Aug 11, 2015 05:35 AM
ChevDog1
1999 - 2003 7.3L Power Stroke Diesel
16
Sep 7, 2004 03:34 PM
