dropped a full 1.5 seconds on the e.t that's pretty good for a stock 6.0/80e swap vs your 4.8/60e. you did good man...
dropped a full 1.5 seconds on the e.t that's pretty good for a stock 6.0/80e swap vs your 4.8/60e. you did good man...
2008 GMC CCSB 6.2/6L80e swap
Gen IV 5.3/60e swap 1994 ecsb W/T