Gear suggestions

[flynaked]

Tired of spinning and trying to decide on gears for a 2000 rcsb 6.0/th400 since im getting a truetrac soon, has the stock 3.42 10 bolt in it. Truck is bolt on currently but looking to stick a healthy cam in it later this year. Stall is pretty small at 2600 but im also looking to have it rebuilt to 3200 in a couple months. That being said I'm trying to decide on gears for street/strip, its just a weekend truck so the cruise doesn't have to be great. Currently at about 2600rpm at 65ish on a 33in tire. It spins from 70 as is and I do want it to! With my current stall the calculated rpm looks like 2800 w/3.73 and about 3100 w/4.10. I could live with the 4.10's and this stall, but I'm wondering how much more slip the 3200 stall might have, its a 9.5in converter, any input on how much it might slip? Maybe another 2-300 rpm pulling a hill? Truck is well under 4k lb so it may not slip too bad. Any input is appreciated. Oh one other thing, I thought I saw someone mention 3.90's with a truetrac, I don't see that offered anywhere or am I mistaken? Thanks!

[pl4yboy]

Tired of spinning and trying to decide on gears for a 2000 rcsb 6.0/th400 since im getting a truetrac soon, has the stock 3.42 10 bolt in it. Truck is bolt on currently but looking to stick a healthy cam in it later this year. Stall is pretty small at 2600 but im also looking to have it rebuilt to 3200 in a couple months. That being said I'm trying to decide on gears for street/strip, its just a weekend truck so the cruise doesn't have to be great. Currently at about 2600rpm at 65ish on a 33in tire. It spins from 70 as is and I do want it to! With my current stall the calculated rpm looks like 2800 w/3.73 and about 3100 w/4.10. I could live with the 4.10's and this stall, but I'm wondering how much more slip the 3200 stall might have, its a 9.5in converter, any input on how much it might slip? Maybe another 2-300 rpm pulling a hill? Truck is well under 4k lb so it may not slip too bad. Any input is appreciated. Oh one other thing, I thought I saw someone mention 3.90's with a truetrac, I don't see that offered anywhere or am I mistaken? Thanks!

Spins from 70? Bald tires and 700hp?

[flynaked]

bald tires and a bolt on 6.0 lol that light converter does wonders!

[ecld_07]

I ran a t400 for a while and it wasn't bad with 4.10s. Later swapped to 4.56s and then seriously missed od.... Spinning at 70 is impressive for the mods.... Either way the swap from 3.42 to 4.10 was very nice...but doing so may have you spinning at 100!!

[flynaked]

Thanks for the input much appreciated. As for spinning let me clear that up and say it does really spin from 70, rather just at 70. I can drop to 2nd at around 65 with the 3.42 right now and it will go just sideways when I nail it but doesnt keep spinning for long, just for a second. I think it has a lot to do with the open rear end and a few hundred pounds of weight reduction makes it light on the tires. What size tire were you on with 4.10 and what kind of rpm at cruise, also how much stall at that time? Thanks again!

[skeet]

god i hate to see what a 500+ NA with a TH400 will do at 70 lol ?

[blacstar]

just a tru-trac will cure the spinning

[flynaked]

I am hoping so, I can't wait to see what some traction will feel like in it! I am afraid the 4.10's are just going to make it worse though, we'll see. Now I just need to find someone local that can help me put them in!

[silverado777]

The first words of your post is "I'm tired of spinning" but yet you say you want to? I would say you should look more into suspension, wheels/tires and maybe adding a little weight in the back.

[flynaked]

oops meant to say 'don't' want it to. Didn't realized gears went up quite a bit so going to take a little longer to get them.