TH400 question about streetability
TH400 question about streetability i looked but really couldnt find the answers i was looking for. For the guys who are street driving there th400 what are yall taching on the interstate im trying to decide on if a th400 will be right for me or a 4l80e. I plan on drag racing it alot but also would like to hop on the interstate every now and then..just want to know what yalls rpms are at around 55-70mph.. thanks in advance
none i sold my t56 a couple months ago and havent been able to decide what trans i want to go with thats why i asked what rpms some ppl are taching on at low interstate speeds
to o/p if you are running a 6spd stick it in 4th and that is about what you'll be running with a th400 plus say 10% converter slip... If you are running a a 4l60 stick it in drive and rest your foot on the brake pedal so the converter stays unlocked and that's what the th400 will be reving at.
Well im at 2800 with 26inch tires with 3.73 gears, and the 4l60e in od at 75mph
when Mt od went out I have to just run it in d witch is 3rd same as th400 and from what I cam remember it was 3,000 at 65ish, i still drove it 65 miles to the track to drag race it but it didn't feel like it was good to cruise over 70.
when Mt od went out I have to just run it in d witch is 3rd same as th400 and from what I cam remember it was 3,000 at 65ish, i still drove it 65 miles to the track to drag race it but it didn't feel like it was good to cruise over 70.
to o/p if you are running a 6spd stick it in 4th and that is about what you'll be running with a th400 plus say 10% converter slip... If you are running a a 4l60 stick it in drive and rest your foot on the brake pedal so the converter stays unlocked and that's what the th400 will be reving at.
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i can deal with mid 3k rpms.. i just dont want it to be like 4k to 4500 rpm
Well im at 2800 with 26inch tires with 3.73 gears, and the 4l60e in od at 75mph
when Mt od went out I have to just run it in d witch is 3rd same as th400 and from what I cam remember it was 3,000 at 65ish, i still drove it 65 miles to the track to drag race it but it didn't feel like it was good to cruise over 70.
when Mt od went out I have to just run it in d witch is 3rd same as th400 and from what I cam remember it was 3,000 at 65ish, i still drove it 65 miles to the track to drag race it but it didn't feel like it was good to cruise over 70.
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Brett Foote on the interstate before i was taching 2300rpm that was with full bolt ons,ms4 cam,9in with 4.11s... my new setup up will be a forged 347 with prc stage 2.5 ls6s with a custom cam and fast 90/90 if thats what you meant by what other changes are you doing..
well i only got to run the car with the exhaust and 4.11s on it i only had 3 passes and my best was 12.9 w/1.8 60. had a lifter colapse on me before i could make it to the track with the ms4... yea i was looking at maybe swapping them to a 3.90 gear
anyone went with the th400 and wish they would have went 4l80..i cant deciede which one i want im leaning more towards the th400 but thats gonna make for one loud ride going down the interstate at 3200 with true duals lol
