07-11-2018, 03:51 PM | #1 |
Trouble_SM
Drives: 17' Summit White ZL1 Join Date: Jan 2015
Location: Midlothian, TX
Posts: 449
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RPM 4L80e ?
So I have an RPM Stage 5 4L80e swapped into my 2015 1LE, and I was wondering what gear /rpm you other 4L80e and th400 guys are shifting into at the 1/4 stripe? Mine is at 6400 rpm in 3rd gear when almost crossing at the stripe, and I have been manually shifting into 4th (overdrive)before the stripe. I was told to leave it in 3rd gear. Thoughts or suggestions?
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07-12-2018, 08:25 AM | #2 |
Drives: 2010 2SS LS3, 2013 duramax Join Date: Nov 2012
Location: Dover, De
Posts: 1,451
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Do you lock the converter?
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ECS Ysi-B, cam, Tsp 2" longtubes, Squash dual pumps, Id1300s, meth, 4L80e, FTI 3600, ZL1 3.73 diff, BMR suspension, 15" conversion, weld rts mt 275 et street R. 9.6@147mph
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07-12-2018, 09:11 AM | #3 |
Drives: 12 camaro ss, 72 chevelle, 91camaro Join Date: Dec 2013
Location: findlay,oh
Posts: 2,069
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leave it in third and if you need more rpms, as stated above lock it up in third but only if you have a multi disc converter.
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12 camaro ss 427lsx, th400, f310 heads, crower shaft mounts, gpi specd solid roller, shearerfab 2k hp a/w, twin bullseye 88mm turbos, hughes pro ssx bolt together converter, holley dominator, 8.50 cert, backhalf, Ford 9", 33x17x16 tires, c16 fuel
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07-12-2018, 10:36 AM | #4 |
Trouble_SM
Drives: 17' Summit White ZL1 Join Date: Jan 2015
Location: Midlothian, TX
Posts: 449
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Converter is a single disc Vigilante 3400, and I don't know if it's locking up or not.
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07-12-2018, 11:18 AM | #5 |
Drives: 12 camaro ss, 72 chevelle, 91camaro Join Date: Dec 2013
Location: findlay,oh
Posts: 2,069
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definitely do not lock it up! you will trash lock up. so if you need less rpms, go to a taller tire/ numerically lower gear.
Definitely stay out of 4th. I didn't have any luck with a 4l80 and wot 3-4 shifts
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12 camaro ss 427lsx, th400, f310 heads, crower shaft mounts, gpi specd solid roller, shearerfab 2k hp a/w, twin bullseye 88mm turbos, hughes pro ssx bolt together converter, holley dominator, 8.50 cert, backhalf, Ford 9", 33x17x16 tires, c16 fuel
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