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Back Fire

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Honda Civic Forum >> Your Ride >> Header, Intake, & Exhaust >> Back Fire

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Back Fire - 4/20/2008 1:43:58 AM

z_dizzlemang

Posts: 11
Joined: 2/11/2008
Status: offline

I just put on a header and full greddy Evo 2 exhaust on the car, when at high rpms and im letting the rpms slow me down im getting small pops from the exhaust, something wrong?

Post #: 1

RE: Back Fire - 4/20/2008 7:36:40 AM

SilverSedan

Posts: 374
Joined: 12/4/2006
Status: offline

nope, likely the stock exhaust you had on there was doing a good job of killing the noise (the muffler and resonater especially). Now that you have a better-flowing exhaust thats set more for performance then for comfort, you'll hear stuff like that more.

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97 Sedan D16Y7 5spd...stock

(in reply to z_dizzlemang)

Post #: 2

RE: Back Fire - 4/20/2008 7:48:18 AM

sacicons

Posts: 7699
Joined: 6/26/2004
Status: online

you may have a very small leak somewhere, but if they are just very small pops, then thats probably normal.

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Yes, there's a "Replacement for Displacement". Its called Volumetric Efficiency.

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ORIGINAL: Forty04

I choose the rear ending

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RE: Back Fire - 4/22/2008 12:37:28 AM

khooper

Posts: 9
Joined: 4/22/2008
Status: offline

back fire can be caused by different faults. first is to much fuel because of worn carburetter, or wrong adjusments on carburetter. choke sticking will cause backfire. timing be out of adjustment will cause backfire exhaust leak can cause backfire. bad spark plugs, or plug leads , distributer cap worn of cracked will cause backfire as for fuel in muffler, if it combusted in muffler , the muffler would split open it is not that. and i dont know of any rubber on an exhaust that would take the heat aexhaust manifold gaskets could be problem but if they were rubber they would melt
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Nissan Fuel Pump

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RE: Back Fire - 4/23/2008 8:22:40 PM

monkeydude3

Posts: 54
Joined: 1/20/2008
Status: offline

I didn't know these mentioned Civics had carburetors.

Any time you change your exhaust the muffler is going to have a significantly different back pressure and flow than the stock one and you will hear a lot more noises.

If you are in 4th gear say and put your foot to the floor, if you don't hear any leaks you are probably all right.

(in reply to khooper)

Post #: 5