What is causing this Backfire? LS Swapped S10 Blazer

DBFam get's discounts through all of the companies below! Evil Energy (Enter "DG10" for 10% off) https://www.ievilenergy.com/?sca_ref=... Flash Shark (Enter "DB15" for 15% off) https://flasharkracing.com/ MaxPeedingRods (Enter "Dbfam" for 10% off) https://www.maxpeedingrods.com/ AlloyWorks (Enter "DBG" for 8% off) https://www.alloyworksplus.com/collec... ASM Race Glass (Enter "DBFAM" for 10% off) https://www.asmraceglass.com/ Want to help with the builds?? Follow the links below! Become a Patreon here https://www.patreon.com/user?u=22862832 Buy merch here https://deadbeatgarage.myshopify.com/ Send Me Stuff Here Bravus Jeffries P.O. Box 23398 Phoenix AZ 85063 Follow me on social media Facebook https://www.facebook.com/YouTubedeadb... Instagram https://www.instagram.com/deadbeat_ga... Built Not Bought group on Facebook (fixed the link)   / 768216480031651