i have have a ls in a ek4 hb and i was wonderin if its a good idea to chip out the ecu for my car.would any thing mess up if chipped.cuz the ls is the lowest revin motor for b seris. so im kinda iffy to make my ls rev higer but i lov the high rev lol. tx

 

Don't do it, your stock LS engine doesn't need a chipped ECU. If you want a high reving engine build an LSVTEC.