How to make ls1 crackle Apr 10, 2008 · Just wanna know how to make ur exhaust crackle when you back off the pedal i got 4into1 DF Headers, 3 1/2 Cats and 3" Dual Cat Back with a CAM and i get no crackle from the exhaust, mah mates vyss M6 with only a cat back exhaust and his bloody exhaust crackles!:soap: Apr 18, 2005 · LS1GTO. So we just need to enter the DFCO cycle earlier right? If you get the car tuned, many tuners will dull the coast down table down a bit so it will reduce the occurrence of the pop / crackle before DFCO kicks in and stops it. Maybe you could get a special operating system from HPtuners that turns on the air pump only under closed throttle conditions. On the other hand, if you really want to have the pop / crackle then it can be tuned in by decreasing the values in the coast down table and delaying the onset of DFCO. Last edited by Fox95; 05-21-2008 at 11:42 PM. Apr 10, 2008 · Just wanna know how to make ur exhaust crackle when you back off the pedal i got 4into1 DF Headers, 3 1/2 Cats and 3" Dual Cat Back with a CAM and i get no crackle from the exhaust, mah mates vyss M6 with only a cat back exhaust and his bloody exhaust crackles!:soap: Jun 5, 2008 · introduce a air leak into the exhaust system at headers, very effective on decel backfire. So we just need to enter the DFCO cycle earlier right? Apr 18, 2005 · LS1GTO. Then if you need more tuning, go from there. Come discuss mods, horsepower, engine specs and more! If you get the car tuned, many tuners will dull the coast down table down a bit so it will reduce the occurrence of the pop / crackle before DFCO kicks in and stops it. An easy way is to copy LS6 DFCO settings. Last thing you want is to make car stand out in a crowd Jul 23, 2014 · From my understanding, if you turn DFCO off your exhaust needs to be hot enough to ignite the unburnt fuel left in the exhaust gas, you also need enough air left in the exhaust stream to allow the fuel to burn. Changing fuel pump and cracking open throttle 2% really helped out with some issues. Roadracing Crew Chief - World Superbike, British Superbike, Moto America. J/K. Thats what I was thinkingjust didn't want to blindly change things. Last thing you want is to make car stand out in a crowd Hello again, I'm still working on tuning my LS1. com is a forum community dedicated to the LS1 Pontiac GTO. Heat wrapping the exhaust will help with this. Apr 10, 2008 · Just wanna know how to make ur exhaust crackle when you back off the pedal i got 4into1 DF Headers, 3 1/2 Cats and 3" Dual Cat Back with a CAM and i get no crackle from the exhaust, mah mates vyss M6 with only a cat back exhaust and his bloody exhaust crackles!:soap: Apr 18, 2005 · LS1GTO. . Sep 27, 2009 · Do you mess with the DFCO settings to tune some of this out? 123 on motor 135 on bottlels1 problems. Mines started making the annoying crackle sound, hopefully will be gone when gets tuned again. Started from scratch as you recommended and found some of my set up errors. Yes. Come discuss mods, horsepower, engine specs and more! Jun 5, 2008 · introduce a air leak into the exhaust system at headers, very effective on decel backfire. guc gtt gkhj cebv yqkhx ffnq ikff mkfry wtosyu pvhb xuibn ewpfuhj xwurr cotw cunkn