I hear that if u drop ur car or get stiffer suspention u hurt your holeshot and accel.... how can u avoid that.

 

launching is all about weight transfer. the more weight on the rear wheels the better you can hook up. Good aftermarket springs strive to keep the car nice and flat for good cornering etc. You can't excell in both aspects at the same time.

 

acceleration per say won't be affected, assuming you are not spinning the tires when you are trying to accelerate. but yeah the "holeshot", ie..60' times, will suffer due to lack of traction.

although you my be able to aleviate this with some sticky tires and some rear suspension mods (lca, relocation brackets, torque arm)