Please note: we're not an auto parts supplier and I can't respond to inquries for random Lexus and Toyota auto parts. All parts not listed above, including the LS400 and SC400 turbo kit, rebuild kits and supercharger are sold out and won't return. The Lextreme performance torque converter has a very long waiting list. Email me if interested.
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In order to fit the supercharger into my LS400, I have to relocate the battery. People have many reasons to relocate battery. Some for weight distribution other for space. To relocate the battery is pretty simple task, however it will require some money. There are two ways of do this modification.
First thing is to pick what type of battery you will be using. Optima battery is widely use by the audio enthusiasts. Here are some advantages of using Optima Battery. One of the advantages of using Optima batter is that it does not require a battery relocation box/kit.
However, the price range from $150-$200. Since I have a relocation kit. I would recommend that you get two Battery Box (part # SUM-890102) relocation kit. I chose Trojan Battery because is cheaper and Trojan Batteries are the strongest battery you can find on the automotive market today. Trojan batteries are widely used in semi-trucks, marine boats and hydraulic system in low riders. The cranking ampere for Optima battery is around 750 CCA and Trojan is about 1000 CCA.
Why do we need a new and higher cranking power battery? OEM battery doesn’t provide enough juice or cranking power to start the car. When I relocated my battery, the OEM battery did not have enough juice to start the engine.
The starter would just click, but doesn’t turn. The reason why the oem battery does not turn because the distant have increased and therefore the cranking ampere decreased. Not enough juice!
After I put in a higher cranking power battery, the car start right up. The batter is held down by two 10mm screw. The battery tray is stabilized by 4 10mm screws. They all need to be removed.
The new positive cable provided with the kit will run inside of the car under the carpet. There is an opening from the inside of the car to the engine bay. Its near the gas pedal. All the positive wires are connected with the new cable. The ground will be connected to the frame in the trunk. The relocation is a piece of cake, but getting all the parts and some money is involved. The task takes about an hour.
If you feel this is too big of a job, you can take your car to a local audio shop and they can do it for you. However, they might charge you about $100 for that job. Make sure you have all the parts for the project before u arrived. Once you relocate your battery than you are ready to do forced induction. Secondly, you might notice your car handle slightly better since you have redistribute the weight to the rear of the car.