Lets talk about Nitrous 6 speed cars and Gear and tire combos.
#21
#22
http://www.f-body.org/gears/ Not rocket science people.
3.73's are too little with a 28" unless your spraying way more than this guy, and I mean a lot like 400+.
4.56's are too much for a nitrous combo like this and 4.30's are pushing it a little bit.
If you want a good balance with room to spare for mpg's and more nitrous later on go 3.89's.
If you want max potential on 200-250 shot go 4.11's.
My earlier post was directed to using a 4.30 or 4.56 gear even with that much nitrous. Not only will it blow the tires off the line and be a dog out the hole with as much as it would take to make it manageable but it would be turning more rpm's than he is going to want to turn most likely with the set-up he is talking about.
#23
my vote would go to 3.89/3.90 gear and a 28" tire with your setup. No sense in spinning to the moon with a stock bottom end/heads, the power just wont be there in that upper rpm band.
#26
Didn't read all the other post but i can give you my personal expereince. I have gone 10.06 with a cam only stock ls6 intake mani and pacesetters w/150 shot mph was 136. I use 4.30's cross the line around 7k as far as I am concenred the 4.30 gear is the absolute perfect gear for your set up. @70mph I am cruising around 2100-2200 rpms. With more power you might want to go with 4.10's but if you are sticking with a cam only set up with spray for a while go 4.30's. I consitently cut 1.40's on spray and have a textralia twin disk, and am on 28x10.50 slicks.
#27
Didn't read all the other post but i can give you my personal expereince. I have gone 10.06 with a cam only stock ls6 intake mani and pacesetters w/150 shot mph was 136. I use 4.30's cross the line around 7k as far as I am concenred the 4.30 gear is the absolute perfect gear for your set up. @70mph I am cruising around 2100-2200 rpms. With more power you might want to go with 4.10's but if you are sticking with a cam only set up with spray for a while go 4.30's. I consitently cut 1.40's on spray and have a textralia twin disk, and am on 28x10.50 slicks.
Now if it had a Fast 92 on it at least, a set of ported 243's or aftermarket heads and a bigger set of headers in a more max output type set-up on the stock bottom end then it'd b worth wringing it to 7k to get the power.
Take my set-up for example since we are comparing. I have 4.11's with a TH400, but I have a ported Fast 92 which takes it out to 96 a 96mm throttle body, and 1 7/8" ARH headers with 5" extensions with v-bands at the track, but I am planning on trying a longer set of extensions with bullet's or one chamber's instead of my vibrant turbo mufflers and I turn it 7000-7200 for it's sweet spot.
It's been 10.29 on motor with a worse 660' time than my personal 660' best which is 6.38@105 vs. the 6.49@104 on the 10.29 run. Granted you have a 6 speed.
#28
comparing an auto to clutch car is apples to oranges. You have to have wheel speed/spin coming out of the hole other wise you bog. To much wheel speed and you go no where(or atleast not very fast). 4.10's would be a good gear still just not optimal for what the engine is wanting.
I am leaving at 6k or above on the 150 jets, and basically on my limiter NA which is @ 7200rpm's any lower and it would bog. Ultimatley just depends on what the OP wants. If you dont mind slipping the clutch you can get away with 3.90's or 4.10's it will just ruin clutches much quicker, and not be as consistent. I can pull up to the line put the rpms where I need and basically side stepp the clutch and consistently have 1.40's-1.45's.
As for what the engine wants. I have tried shifting at many different rpms and my fastest et's have all come from when I shift @ 7k
The most important lesson of all (be prepared to rebuild the t56 lol) I bent my mainshaft very badly last outing at the track.
http://www.youtube.com/watch?v=1pPuS...1&feature=plcp
I am leaving at 6k or above on the 150 jets, and basically on my limiter NA which is @ 7200rpm's any lower and it would bog. Ultimatley just depends on what the OP wants. If you dont mind slipping the clutch you can get away with 3.90's or 4.10's it will just ruin clutches much quicker, and not be as consistent. I can pull up to the line put the rpms where I need and basically side stepp the clutch and consistently have 1.40's-1.45's.
As for what the engine wants. I have tried shifting at many different rpms and my fastest et's have all come from when I shift @ 7k
The most important lesson of all (be prepared to rebuild the t56 lol) I bent my mainshaft very badly last outing at the track.
http://www.youtube.com/watch?v=1pPuS...1&feature=plcp
#33
#35
comparing an auto to clutch car is apples to oranges. You have to have wheel speed/spin coming out of the hole other wise you bog. To much wheel speed and you go no where(or atleast not very fast). 4.10's would be a good gear still just not optimal for what the engine is wanting.
I am leaving at 6k or above on the 150 jets, and basically on my limiter NA which is @ 7200rpm's any lower and it would bog. Ultimatley just depends on what the OP wants. If you dont mind slipping the clutch you can get away with 3.90's or 4.10's it will just ruin clutches much quicker, and not be as consistent. I can pull up to the line put the rpms where I need and basically side stepp the clutch and consistently have 1.40's-1.45's.
As for what the engine wants. I have tried shifting at many different rpms and my fastest et's have all come from when I shift @ 7k
The most important lesson of all (be prepared to rebuild the t56 lol) I bent my mainshaft very badly last outing at the track.
http://www.youtube.com/watch?v=1pPuS...1&feature=plcp
I am leaving at 6k or above on the 150 jets, and basically on my limiter NA which is @ 7200rpm's any lower and it would bog. Ultimatley just depends on what the OP wants. If you dont mind slipping the clutch you can get away with 3.90's or 4.10's it will just ruin clutches much quicker, and not be as consistent. I can pull up to the line put the rpms where I need and basically side stepp the clutch and consistently have 1.40's-1.45's.
As for what the engine wants. I have tried shifting at many different rpms and my fastest et's have all come from when I shift @ 7k
The most important lesson of all (be prepared to rebuild the t56 lol) I bent my mainshaft very badly last outing at the track.
http://www.youtube.com/watch?v=1pPuS...1&feature=plcp
So your spraying 150, on 28's and with 4.30's are already spinning 7 grand? What are you shifting at rpm wise?
I dunno what the OP wants to shift at, but your's will give him a good example of what his would most likely turn with a 150 shot and the 4.30's.
Your car runs good. Pill that bitch up some more!
Edit added: LOL I see that's an Arkansas tag now and not SC like I thought.
Last edited by Fbodyjunkie06; 03-18-2012 at 11:26 AM.
#37
oh I'm not here to get into a pissing match with someone that obviously doesn't know WTF there talking about.
If the OP wants to PM me and give me more information on his setup i'll be more than happy to give him some information based on lots of experiences with getting the most out of a 6 speed setup. Just don't want the poor fella spending money on a setup some yahoo gave him that will wreck his **** and slow him down.
If the OP wants to PM me and give me more information on his setup i'll be more than happy to give him some information based on lots of experiences with getting the most out of a 6 speed setup. Just don't want the poor fella spending money on a setup some yahoo gave him that will wreck his **** and slow him down.
#38
#40
Very true, 6spd's need that wheelspeed out of the hole so they don't dead hook. Dead hook and your going on the bumper or breaking ****. Neither is fun, good pictures yes, fun....no.
So your spraying 150, on 28's and with 4.30's are already spinning 7 grand? What are you shifting at rpm wise?
I dunno what the OP wants to shift at, but your's will give him a good example of what his would most likely turn with a 150 shot and the 4.30's.
Your car runs good. Pill that bitch up some more!
Edit added: LOL I see that's an Arkansas tag now and not SC like I thought.
So your spraying 150, on 28's and with 4.30's are already spinning 7 grand? What are you shifting at rpm wise?
I dunno what the OP wants to shift at, but your's will give him a good example of what his would most likely turn with a 150 shot and the 4.30's.
Your car runs good. Pill that bitch up some more!
Edit added: LOL I see that's an Arkansas tag now and not SC like I thought.