ET doesn't matter. I did both. I relocated the battery to the trunk and used a lightweight battery. Any weight you can get off the front will help weight transfer. Just make sure you get the wiring right so it can pass tech.
ET doesn't matter. I did both. I relocated the battery to the trunk and used a lightweight battery. Any weight you can get off the front will help weight transfer. Just make sure you get the wiring right so it can pass tech.