4l60e vs th400 for daily
06-17-2020 | 05:39 PM
#11
It's a blast. My Nova has a Turbo'd LQ4 with a manual valve body 400 behind it and I wouldn't want it any other way. The only difference I need to make is add a brake and a bump box.
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dantheman1540 (06-17-2020)
06-17-2020 | 06:04 PM
#12
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From: Somewhere north of 285, south of 985.
I've been running a Performabuilt Level 2 4L60E for two years and it's been flawless so far... with less than 400rwhp (mods in sig). It shifts firm and destroys the tires into the third gear shift. Even though the trans is rated at 700rwhp I still feel like I'm on borrowed time after reading others built 4L60 failures. Wasn't to concerned during the one year warranty period (two if you purchase their converter), they do offer a $1,100 refresh after the warranty. Next week I'm doing aftermarket cylinder heads and I'll be even more gun shy with the added tq/hp.
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RedXray (06-18-2020)
06-17-2020 | 06:22 PM
#13
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dantheman1540 (06-17-2020)
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dantheman1540 (06-17-2020)
06-17-2020 | 08:15 PM
#15
I've been running a Performabuilt Level 2 4L60E for two years and it's been flawless so far... with less than 400rwhp (mods in sig). It shifts firm and destroys the tires into the third gear shift. Even though the trans is rated at 700rwhp I still feel like I'm on borrowed time after reading others built 4L60 failures. Wasn't to concerned during the one year warranty period (two if you purchase their converter), they do offer a $1,100 refresh after the warranty. Next week I'm doing aftermarket cylinder heads and I'll be even more gun shy with the added tq/hp.
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RedXray (06-18-2020)
06-18-2020 | 12:58 AM
#16
A 4L80e is just a TH400 with overdrive. I'd rather have overdrive for a daily driver I'm going to put lots of miles on.
Though I suppose gear vendors makes a over drive unit for the Th400 too but it's like $2,600 LOL.
Though I suppose gear vendors makes a over drive unit for the Th400 too but it's like $2,600 LOL.
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arthursc2 (06-18-2020)
06-18-2020 | 09:08 AM
#19
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From: Houston TX
When you're already EFI I don't get the resistance to swapping to a way stronger transmission with overdrive. The only real argument I heard so far was local cost for OP. I think I'd rather spend the $ and have something fun to drive instead of making it suck to drive, or having to spend money on highway gears for my diff.. or as you mentioned, the $$$ for a GV unit
Richard
06-18-2020 | 12:01 PM
#20
The lack of lockup on a TH400 would discourage me more than no OD for a truck with a 3600rpm stall converter that 'sees mostly highway'. Having gone thru my share of built 60's, I cannot recommend that either. Therefor a 4L80E really is the logical choice. If 4wd models are more plentiful in you area at $1K less, get one of those and swap out the output shaft and tail housing.
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darkirish63 (06-18-2020)