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SVT Shelby GT500
Best slip or clutch?
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<blockquote data-quote="Jam421" data-source="post: 15485709" data-attributes="member: 110985"><p>When I first got my " bone stock" 2013 used from a dealer it had 3800 miles.</p><p>Before I hit 5000 miles the clutch began to slip but at that time I was doubting it could actually be the clutch...also blamed possibility of belt slip. Then came the VMP Stage 4 + 373 gears and then WENT the clutch on the dyno at around 5400 miles on the ODO. Perhaps as mentioned before maybe my car was also not truly stock when I bought it ?</p><p>Enter SPEC Super Twin SS clutch...but NO Slave Cylinder replacement. I babied the break in period for 600 miles. Then for reasons I may never understand at around 7500 miles I experiment with a 15mph hard dig....and...Bye-Bye Spec Clutch !! </p><p>I was extremely upset when the clutch was removed as it was worn to the metal on one quadrant section of the outer disc. Approx 2000 miles ?? The slave </p><p>" appeared " intact . Repeated conversations with Spec and my shop led to no direct cause of the failure. SPEC only offered a rebuild at around $900. Now....I've had a lot of clutch cars and this '13 was strictly a weekend fun car.</p><p>But now it's back to the damn bank. *Note.. the SPEC versus stock chattered like crazy at a red light unless clutch pedal was down.</p><p>Enter McCleod RXT + new ALFW sent to me from McCleod + new Ford Slave Cylinder. Chatter at red light was diminished 75% . With close to 4000 miles on the RXT + stiffened LCA's the car hooks REALLY hard at 15-20mph in 2nd with 680RWHP with 4.10's on an 88 degree muggy day with 305 Sticky Mickies on 11" rims.</p><p>Since the RXT I've truly been much harder on the car ...never tracked....but run up on many, many times out on summer weekends. I've played around with 1-2 digs....(Ha-Ha!)....or better said hard 1-2 short shifted roll outs. But the RXT does NOT slip. I've slammed the tires down at 20mph many times with ZERO ISSUES.</p><p>I've power shifted 62-6500rpm with ZERO ISSUES. </p><p></p><p>If I may offer my hard learned & very expensive lesson replace your Slave Cylinder with the new clutch. Makes sure the entire assembly is properly aligned. If you plan on ( who ever plans future upgrades ???) making bigger power mods in the future do the right thing NOW. I was once a major supporter of SPEC as I used SPEC for my past 2 Cobra kit cars and loved the grip. But now ? I'd like to cast my vote for the McCleod RXT.</p><p>And....If I may once again suggest REPLACE that slave Bud ! It's a worthwhile investment .</p></blockquote><p></p>
[QUOTE="Jam421, post: 15485709, member: 110985"] When I first got my " bone stock" 2013 used from a dealer it had 3800 miles. Before I hit 5000 miles the clutch began to slip but at that time I was doubting it could actually be the clutch...also blamed possibility of belt slip. Then came the VMP Stage 4 + 373 gears and then WENT the clutch on the dyno at around 5400 miles on the ODO. Perhaps as mentioned before maybe my car was also not truly stock when I bought it ? Enter SPEC Super Twin SS clutch...but NO Slave Cylinder replacement. I babied the break in period for 600 miles. Then for reasons I may never understand at around 7500 miles I experiment with a 15mph hard dig....and...Bye-Bye Spec Clutch !! I was extremely upset when the clutch was removed as it was worn to the metal on one quadrant section of the outer disc. Approx 2000 miles ?? The slave " appeared " intact . Repeated conversations with Spec and my shop led to no direct cause of the failure. SPEC only offered a rebuild at around $900. Now....I've had a lot of clutch cars and this '13 was strictly a weekend fun car. But now it's back to the damn bank. *Note.. the SPEC versus stock chattered like crazy at a red light unless clutch pedal was down. Enter McCleod RXT + new ALFW sent to me from McCleod + new Ford Slave Cylinder. Chatter at red light was diminished 75% . With close to 4000 miles on the RXT + stiffened LCA's the car hooks REALLY hard at 15-20mph in 2nd with 680RWHP with 4.10's on an 88 degree muggy day with 305 Sticky Mickies on 11" rims. Since the RXT I've truly been much harder on the car ...never tracked....but run up on many, many times out on summer weekends. I've played around with 1-2 digs....(Ha-Ha!)....or better said hard 1-2 short shifted roll outs. But the RXT does NOT slip. I've slammed the tires down at 20mph many times with ZERO ISSUES. I've power shifted 62-6500rpm with ZERO ISSUES. If I may offer my hard learned & very expensive lesson replace your Slave Cylinder with the new clutch. Makes sure the entire assembly is properly aligned. If you plan on ( who ever plans future upgrades ???) making bigger power mods in the future do the right thing NOW. I was once a major supporter of SPEC as I used SPEC for my past 2 Cobra kit cars and loved the grip. But now ? I'd like to cast my vote for the McCleod RXT. And....If I may once again suggest REPLACE that slave Bud ! It's a worthwhile investment . [/QUOTE]
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Best slip or clutch?
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