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2013-14 Shelby GT500
What is the fix for 2nd gear lock out?!?
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<blockquote data-quote="RedVenom48" data-source="post: 16257300" data-attributes="member: 166576"><p>As a member of the "I hate my 1-2 upshift TR6060" club, I can tell you what has worked... for a time.</p><p></p><p>Had the trans rebuilt under warranty. No issues for like 1000 miles. Then I started getting lock-out during normal daily shifting. Swapped to Amsoil Synth ATF and it helped out a lot, but true 1-2 powershift on a sticky track was hit or miss. </p><p></p><p>Installed an MGW Gen2 and it helped out tremendously. Shift feel is worlds better. BUT Id still get 1-2 lock out, grind etc. I swapped to Royal Purple Synchromax and it was a noticeable improvement in shift quality! ... until it got worse.... ARRGGGGHHHH</p><p></p><p>Drained that shit and tried Redline D4 ATF. Of all the fluids this one seems the best. However the bearing and synchros in my trans are just done after 4 years of hard use with terrible OE synchro rings. When I pull the engine, Im sending the trans out for a rebuild here at the local Tremec dealer. Ive got new HYBRID synchro rings 1-4 from Tremec and Im probably going to go get 5,6 and reverse. These arent available from Ford, but any Tremec dealer will have them.</p><p></p><p>So the cliff notes version? MGW and pull trans for a rebuild with Tremec Hybrid Synchro rings. Camaro's and Challengers have this issue too, but its a little less pronounced than the GT500 because of their trans mounted shifter.</p></blockquote><p></p>
[QUOTE="RedVenom48, post: 16257300, member: 166576"] As a member of the "I hate my 1-2 upshift TR6060" club, I can tell you what has worked... for a time. Had the trans rebuilt under warranty. No issues for like 1000 miles. Then I started getting lock-out during normal daily shifting. Swapped to Amsoil Synth ATF and it helped out a lot, but true 1-2 powershift on a sticky track was hit or miss. Installed an MGW Gen2 and it helped out tremendously. Shift feel is worlds better. BUT Id still get 1-2 lock out, grind etc. I swapped to Royal Purple Synchromax and it was a noticeable improvement in shift quality! ... until it got worse.... ARRGGGGHHHH Drained that shit and tried Redline D4 ATF. Of all the fluids this one seems the best. However the bearing and synchros in my trans are just done after 4 years of hard use with terrible OE synchro rings. When I pull the engine, Im sending the trans out for a rebuild here at the local Tremec dealer. Ive got new HYBRID synchro rings 1-4 from Tremec and Im probably going to go get 5,6 and reverse. These arent available from Ford, but any Tremec dealer will have them. So the cliff notes version? MGW and pull trans for a rebuild with Tremec Hybrid Synchro rings. Camaro's and Challengers have this issue too, but its a little less pronounced than the GT500 because of their trans mounted shifter. [/QUOTE]
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2013-14 Shelby GT500
What is the fix for 2nd gear lock out?!?
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