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Thread: backfire after revving car up
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09-04-2011, 05:22 PM #1
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backfire after revving car up
When im racing or just roving my car up it'll back fire but only does this if I rev it to like 4500 or higher rpm.
When I rev it and let off it'll back fire and send two flames out if ny exhaust
All I have done to the car is all loudmouth and a CAI
Just wondering if something is wrong and what to do to fix it
Thanks guysDustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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09-05-2011, 01:32 AM #2
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anyone?
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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09-05-2011, 10:47 AM #3
The Nitrous Outlet Junkie
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... i understand the concern but ... sounds kinda cool got a vid of it?
94 Formula "budget build" #thebeaterbird
10.177 @128.31 on a lil 250 shot
350, LT1, carb, LE grind cam, th400, 4k stall, ford 8.8 w/ 4.10s
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09-05-2011, 09:48 PM #4
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I do actually I have to try to upload it when I get home
Dustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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09-06-2011, 12:05 PM #5
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http://www.youtube.com/watch?v=mjzljUiRsk0
cell phone vid bad qualityDustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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09-06-2011, 04:32 PM #6
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1) I doubt you're getting flames out the exhaust. That's WAY too long of a distance to travel for a flame to naturally occur. But, it does happen in The Fast and The Furious, so it's real-life right? Wrong.
Originally Posted by Dangerous95lt1
2) Opti could be having some issues. What kind of maintenance work has been done on it since you've owned it, or any that you know of before you owned it? FPR, plugs, etc.
3) You shouldn't just openly rev your motor without a load on it...not a good thing.'97 Z28...Sleeper
648 RWHP 585 TQ - Speed INC Tuned! 383, F1A, blah blah
Current Project: 1927 Model T Roadster - LTX/M6 Powerplant!
Build Thread: http://ltxtech.com/forums/showthread...oadster-Build!
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09-07-2011, 02:26 AM #7
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There's a video right above that shows what its doing. Idc bout fast and furious Ik that's fake mine is real.
Opti cap and rotor was replaced in january along with, plugs, wires,water pump and radiatorDustin Dillow-Tuned by Dillow's Tuning Solutions
95 Firebird Formula Cam, Bolt Ons, QP 9 Inch 3.50 Gear, Full UMI Rear Suspension, 3700lbs
7.86 at 86.20 mph 1.67 60ft, 7.16 at 99 mph 1.51 60 ft on .063 jet NX Shark Nozzle Single Fogger
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09-08-2011, 12:56 AM #8
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my car shoots flames bout 6in when i shift at wot has always done it
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09-08-2011, 10:44 AM #9
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Loudmouth I and no cat is your problem. That setup likes to pop because of the amount of air that gets into the system. The LM1 resonator is basically a straight-through so it doesnt do anything in the way of creating backpressure...
1995 Camaro Z28 M6...383 cid, 4 bolt splayed mains, CP -6.83 cc pistons, Callies Compstar Rods, Callies Dragonslayer Crank, LE ported TFS 21* heads, LE Custom grind, 12.7:1 SCR - 452hp/440tq
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10-27-2011, 03:13 PM #10
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My car used to do this then it stoped I had bad o2 sensers
97 firehawk m6 with a forged long rod 355 stock heads and intake soon to be upgraded to LE 21* tfs heads and a big asscam , rpm built level 5 t56 trans s60 with 4.30 gears umi suspension walbro pump and hot wire kit and a spinning best 12.36 @ 114 crap 60 foot.
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