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Open Track Racing
Battery relocation
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<blockquote data-quote="David Hester" data-source="post: 11673672" data-attributes="member: 6794"><p>Ummm. Not so sure on a road course. Moving the battery WAY back creates more polar moment. Ask anyone who has driven an older Porsche with the extra weight of an engine hanging out behind the axle if that is a good idea.</p><p></p><p></p><p> Try this. take out the battery and hold it next to your chest and spin around. Stop quickly. Now hold it at arms length and spin. Stop quickly. Not as easy. Keep it between front and rear axles. </p><p></p><p>Lightweight battery in stock location works, and yes, you do loose some weight loss advantage with the heavy cable if you move battery to passenger area, but I needed a "Stock" battery weight to make minimum weight. (that and 40-80 lbs of lead in the trunk over the rear axle depending on how much fuel I was carrying.) Moving it in front of the rear seat area did help front-back weight bias and reduced polar moment.</p><p>Another advantage using a stock battery, is I bought one <em>years</em> ago. 3 year warranty, and I got it replaced every couple of years for free. raced the car for 7 years on "one" battery purchase. Plus if it fails, you can get a replacement at Advance/AutoZone in just about any town. Not everyone carries the small ones.</p></blockquote><p></p>
[QUOTE="David Hester, post: 11673672, member: 6794"] Ummm. Not so sure on a road course. Moving the battery WAY back creates more polar moment. Ask anyone who has driven an older Porsche with the extra weight of an engine hanging out behind the axle if that is a good idea. Try this. take out the battery and hold it next to your chest and spin around. Stop quickly. Now hold it at arms length and spin. Stop quickly. Not as easy. Keep it between front and rear axles. Lightweight battery in stock location works, and yes, you do loose some weight loss advantage with the heavy cable if you move battery to passenger area, but I needed a "Stock" battery weight to make minimum weight. (that and 40-80 lbs of lead in the trunk over the rear axle depending on how much fuel I was carrying.) Moving it in front of the rear seat area did help front-back weight bias and reduced polar moment. Another advantage using a stock battery, is I bought one [I]years[/I] ago. 3 year warranty, and I got it replaced every couple of years for free. raced the car for 7 years on "one" battery purchase. Plus if it fails, you can get a replacement at Advance/AutoZone in just about any town. Not everyone carries the small ones. [/QUOTE]
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