Hard accelerating, no power [Archive] - GrandAmGT.com Forum GrandAmGT.com Forum > GAGT - Technical - Sponsored by www.MilzyMotorSports.com > Technical Q&A > Hard accelerating, no power PDA View Full Version : Hard accelerating, no power xalteph08-13-2013, 05:39 PMJust finished a LIM and head gasket change. The car idles fine. But only accelerates up to 20-30 really slowly. What could be the problem? AaronGTR08-14-2013, 06:37 AMCould be a lot of things. Not enough info to even make a guess. vBulletin® v3.7.2, Copyright ©2000-2018, Jelsoft Enterprises Ltd.