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The Terminator
Driveline
scared to launch
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<blockquote data-quote="Jimmysidecarr" data-source="post: 10453423" data-attributes="member: 11681"><p>You are going drag racing on sticky tires without the brace or any bushings?:shrug::dw:</p><p>That would be a risky trip....IMHO.</p><p></p><p>Do the brace, without question, or I would just stay home.</p><p>Do bias ply slicks at the strip and use DRs for the street if you want to use them up somewhere.</p><p>And WITHOUT QUESTION ALWAYS LIFT WHEN IT HOPS!!!</p><p></p><p>That photo clearly illustrates the twist in the sidewall which winds up like a spring and then releases the energy smoothly.</p><p>A DR being a radial has much less wind up and absorption in the sidewall therefor it delivers more shock load. </p><p></p><p>The guys running 10s and 9s on the IRS are not using OE silly putty for bushings.</p><p>Once the movement and hop oscillation are gone out of the IRS, even with the 28 spline outer hub connection, the stock half shafts have turned some really fast times.</p><p></p><p>If you are going with an unprepared IRS, I would plan on using the above described "slip launch" and be very conservative with it.</p><p></p><p>This very effective launch technique is still used even after getting the IRS built, by many racers. They use less slip but still some.</p><p></p><p>This is the primary reason the drag racing guys in this hobby go through more clutches, than those of us who prefer going around near 90 degree unbanked corners at 90+ MPH.... on the stock original clutch.:-D (@ turn two TWS CCW)</p></blockquote><p></p>
[QUOTE="Jimmysidecarr, post: 10453423, member: 11681"] You are going drag racing on sticky tires without the brace or any bushings?:shrug::dw: That would be a risky trip....IMHO. Do the brace, without question, or I would just stay home. Do bias ply slicks at the strip and use DRs for the street if you want to use them up somewhere. And WITHOUT QUESTION ALWAYS LIFT WHEN IT HOPS!!! That photo clearly illustrates the twist in the sidewall which winds up like a spring and then releases the energy smoothly. A DR being a radial has much less wind up and absorption in the sidewall therefor it delivers more shock load. The guys running 10s and 9s on the IRS are not using OE silly putty for bushings. Once the movement and hop oscillation are gone out of the IRS, even with the 28 spline outer hub connection, the stock half shafts have turned some really fast times. If you are going with an unprepared IRS, I would plan on using the above described "slip launch" and be very conservative with it. This very effective launch technique is still used even after getting the IRS built, by many racers. They use less slip but still some. This is the primary reason the drag racing guys in this hobby go through more clutches, than those of us who prefer going around near 90 degree unbanked corners at 90+ MPH.... on the stock original clutch.:-D (@ turn two TWS CCW) [/QUOTE]
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