3.80 final drive

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Old 05-20-2014, 10:33 AM
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Originally Posted by Sonnick
Not sure what they usually look like, but from what I heard they modify the stock pinion to come up with the 3.80. Not sure how because I don't know what it involves, but I would trust it. They send them out to Liberty Gears to be modified as far as I know, considering that's the name that was on the box it came in.
They're reducing the number of teeth on the pinion somehow. Looks like the ring gear has around 80 teeth, so they're reducing the number of teeth on the pinion by around four or so to bring it to a 3.80 from a 3.28. They must fill it in and then re machine the end.
Old 05-20-2014, 10:38 AM
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Interesting. I just need to stop being a pu$$y and get it done.
Old 05-20-2014, 10:49 AM
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Who's replacing your transmission?
Old 05-20-2014, 11:13 AM
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Originally Posted by anx1300c
Who's replacing your transmission?
A buddy of mine works at a Honda dealership. One of the techs said he would do it, but my buddy hasn't answered me in over a month lol. If not there, I have someone else who can do it, probably for cheaper. I'm not worried about the trans install and all of its components, but more-so about the Final Drive. I want it to be done RIGHT with no corners cut, which is why I'm also curious if/what I should be replacing along with it.
Old 05-20-2014, 10:58 PM
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Sonnick
Can't wait to see the gains from the gear set.
You will pull quicker times for sure.
Excited for you man!
Old 05-21-2014, 07:33 AM
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Beating a C6 Z06 in an Accord would be priceless.
Old 05-21-2014, 08:11 AM
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Originally Posted by bouncer07
Beating a C6 Z06 in an Accord would be priceless.
Is there an Accord around here that's running lots of boost and on tire?
Old 05-21-2014, 08:46 AM
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Lol, if you're gonna dream, might as well dream big. In the waking hours, I think a stock C5 base 6MT is a more realistic goal.
Old 05-21-2014, 10:33 AM
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Originally Posted by anx1300c
Lol, if you're gonna dream, might as well dream big. In the waking hours, I think a stock C5 base 6MT is a more realistic goal.
I've seen them trap between 105-111.

Sonnick nearly beat one on the 1/4
Old 05-21-2014, 12:18 PM
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Originally Posted by I hate cars
Is there an Accord around here that's running lots of boost and on tire?
These a s.c one with a mp90 that can probably do it
Old 05-21-2014, 12:28 PM
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Sonnick should be able to with this mod.
Old 05-21-2014, 12:53 PM
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Originally Posted by bouncer07
Sonnick should be able to with this mod.
So Sonnick runs bottom 11s/high10s? Looking at his sig it shows mid 13s. So this mod will shave off 2-2.5 seconds in the 1/4? That's like adding over 300hp. That's one hell of a mod.

The average of the top 26 quickest C6 Z06s on factory everything including tires is 11.5@124mph. That's the AVERAGE. It's just not going to happen. It's a big jump from 13s to 12s but it's a HUGE jump from 12s to 11s. That Accord runs great but it's not touching a Z06.
Old 05-21-2014, 01:04 PM
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The goal after my FD has nothing to do with 1/4 mile times. I'm shooting for liftoff.
Old 05-21-2014, 02:54 PM
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Originally Posted by Sonnick
The goal after my FD has nothing to do with 1/4 mile times. I'm shooting for liftoff.
Lol. I'm curious to see what happens to your mph. Since it looks like you're a good driver judging by your times vs mph, I'm sure you'll take full advantage of this mod. I know your 1/4 times will drop considerably but the mph is what I'm most curious about. If 108mph is redline in 4th with the new gearset, I wonder if you're going to bump the limiter through the traps or not.
Old 05-21-2014, 03:59 PM
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If I get these gears I'm going to try to out 60' an Aventador.
Old 05-21-2014, 06:17 PM
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Originally Posted by anx1300c
If I get these gears I'm going to try to out 60' an Aventador.
Just line the car up backwards and race it to the 60' mark in reverse. It's like having a mid/rear engined car with 70% of it's weight on the "rear" tires.
Old 05-21-2014, 08:04 PM
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Originally Posted by I hate cars
So Sonnick runs bottom 11s/high10s? Looking at his sig it shows mid 13s. So this mod will shave off 2-2.5 seconds in the 1/4? That's like adding over 300hp. That's one hell of a mod.

The average of the top 26 quickest C6 Z06s on factory everything including tires is 11.5@124mph. That's the AVERAGE. It's just not going to happen. It's a big jump from 13s to 12s but it's a HUGE jump from 12s to 11s. That Accord runs great but it's not touching a Z06.
I remember 3 years ago at the dragstrip me in my Integra and two stock C6 Z06 where fighting the highest mph of the evening on street car and we we're at the 123-124mph range so yes stock Z06 traps 124 easy.
Old 05-21-2014, 08:22 PM
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C6 Z06's are getting temptingly affordable.
Old 05-21-2014, 08:51 PM
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Originally Posted by anx1300c
C6 Z06's are getting temptingly affordable.
My friend had a base C6 with bolt ons and tune that was running around 11.5-11.7 on motor and was close to 10.50s on spray if i remember right. He is a hell of a driver. So the C6 now has a CTS-V.
Old 05-21-2014, 09:33 PM
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Originally Posted by I hate cars
Lol. I'm curious to see what happens to your mph. Since it looks like you're a good driver judging by your times vs mph, I'm sure you'll take full advantage of this mod. I know your 1/4 times will drop considerably but the mph is what I'm most curious about. If 108mph is redline in 4th with the new gearset, I wonder if you're going to bump the limiter through the traps or not.
I picked up the TL 6spd w/ LSD, so I'm hoping for 12s. My personal goal is to ET 12.85 with bolt ons/tune/gears with NO weight reduction besides the spare tire. I'd like to go 12s on the stock heads and internals. I do have the J37 heads (NOT the dual VTEC heads), but I will hold off on installing those for now.

I went 104.5 untuned last Fall (think I could have seen 105 had I gone back), so I'm hoping with a retune & the gears I will see 108-109. I think a good tune will yield me 1mph alone (especially w/ the butterfly delete) and the gears 2-3. Redline is set at 7200 right now, so 4th currently runs out @137 on my street tires & 130 on my shorter DRs. With the 3.80 and street tires, 4th redline is 119 on street tires and 112 on the DRs. Huge difference lol. Can't wait to see what the Fall brings!
Old 05-21-2014, 11:48 PM
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Originally Posted by I hate cars
Just line the car up backwards and race it to the 60' mark in reverse. It's like having a mid/rear engined car with 70% of it's weight on the "rear" tires.
LOL, I missed this.

Originally Posted by Sonnick
I picked up the TL 6spd w/ LSD, so I'm hoping for 12s. My personal goal is to ET 12.85 with bolt ons/tune/gears with NO weight reduction besides the spare tire. I'd like to go 12s on the stock heads and internals. I do have the J37 heads (NOT the dual VTEC heads), but I will hold off on installing those for now.

I went 104.5 untuned last Fall (think I could have seen 105 had I gone back), so I'm hoping with a retune & the gears I will see 108-109. I think a good tune will yield me 1mph alone (especially w/ the butterfly delete) and the gears 2-3. Redline is set at 7200 right now, so 4th currently runs out @137 on my street tires & 130 on my shorter DRs. With the 3.80 and street tires, 4th redline is 119 on street tires and 112 on the DRs. Huge difference lol. Can't wait to see what the Fall brings!
Sonnick, I think you'll get more like 2 mph from the tune. I know the peak increase wasn't huge, but power under the curve and the increased redline, depending where it puts you in the next gear, may help. I'm guessing about 2 more mph from the gears. 108 mph in average DA should be doable. Heads and cams and you're breaking 110-111.
Old 05-22-2014, 02:36 AM
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Very neat, looking forward to results Sonnick!

A bit off topic, but in ref to the first page, what is the safe max redline for the TL? I see 7200 listed there. I know I only bumped mine to 6900 currently.
Old 05-22-2014, 08:29 AM
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Originally Posted by r3devi7
Very neat, looking forward to results Sonnick!

A bit off topic, but in ref to the first page, what is the safe max redline for the TL? I see 7200 listed there. I know I only bumped mine to 6900 currently.
I'm not 100% sure what is safe. Before Hondata, I don't think there were many J series at all revving above the stock redline. I guess we will find out shortly lolol.
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Old 05-22-2014, 08:45 AM
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I dropped my trans & FD off at a shop, so I should have an update later on about both the condition of my trans & how the FD install is going.
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Old 05-22-2014, 09:22 AM
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Originally Posted by I hate cars
So Sonnick runs bottom 11s/high10s? Looking at his sig it shows mid 13s. So this mod will shave off 2-2.5 seconds in the 1/4? That's like adding over 300hp. That's one hell of a mod.

The average of the top 26 quickest C6 Z06s on factory everything including tires is 11.5@124mph. That's the AVERAGE. It's just not going to happen. It's a big jump from 13s to 12s but it's a HUGE jump from 12s to 11s. That Accord runs great but it's not touching a Z06.
Correct

I live at a 1,100+ sea level drag strip. Density altitude, wind factors, air density, etc all factors. My place here.. 12.7's C6 Z06 are constant hitting that time with average drivers. I go to Vegas and Sacramento dragstrips and stock c6 z06 are doing high 11.9's. Some people can dream, lol. Sonnick just so live near some of the fast tracks as well.
Old 05-22-2014, 10:38 AM
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^ I do, I do. Lol. Island is a pretty quick track as is Atco.
Old 05-22-2014, 01:25 PM
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Originally Posted by Sonnick
Not sure what they usually look like, but from what I heard they modify the stock pinion to come up with the 3.80. Not sure how because I don't know what it involves, but I would trust it. They send them out to Liberty Gears to be modified as far as I know, considering that's the name that was on the box it came in.
Liberty's Gears is less than 10 minutes from me.

Did anyone ever confirm if the 3.55 FD from the 8th gen Accord would work in the TL trans?
Old 05-22-2014, 02:40 PM
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Originally Posted by Euro-R_Spec_TSX
Liberty's Gears is less than 10 minutes from me.

Did anyone ever confirm if the 3.55 FD from the 8th gen Accord would work in the TL trans?
Oh damn lol.

I don't know if there was ever confirmation in this regard. However, I can't imagine the transmission is any different internally (besides the FD) than the earlier 6 speeds. But that's also me offering wishful thinking, so who knows ha.

Called the trans shop and he told me his installer hadn't called him to tell him any negative, so he's assuming everything is good to go! He said he would call me tomorrow when it's ready. I'm not gonna get TOO excited until he calls me and tells me everything is good, but I am a bit antsy ha. IF ALL GOES WELL, I have plans of getting it installed sometime next week.
Old 05-22-2014, 03:47 PM
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Did they mention if they were planning on re-using pinion bearing, shims etc?
Old 05-22-2014, 05:01 PM
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He did not specify.
Old 05-23-2014, 05:21 PM
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I was tempted to order this gear set, but I just pulled the trigger on a Flashpro, CAN adapter and e-tune from VIT, and a new '08 Type-S ECU. Gears are next though!
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Old 05-28-2014, 01:07 PM
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Any updates Sonnick?
Old 05-28-2014, 02:17 PM
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How would these gears work with a turbo application?
Old 05-28-2014, 02:45 PM
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^ your better off with the stock final drive with a turbo. It will rev too fast. You'll be bouncing off the rev limiter like no tomorrow
Old 05-28-2014, 03:15 PM
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Originally Posted by 6spd-GERCO
Any updates Sonnick?
I picked up the trans during lunch today I have the OEM Clutch set & AASCO Flywheel, but I'm in the process of trying to exchange the OEM kit for the Clutchmasters FX250. I'm just waiting to hear back from Marcus. I'm getting it installed by someone who has previously worked on my car and he quoted me $400 to do the whole install including replacing the main seal behind the Flywheel.
Originally Posted by AccordFlex
How would these gears work with a turbo application?
You would be much better off with stock gearing, this way you will be able to utilize all of the power. You will be shifting too much with this FD.
Old 05-28-2014, 04:59 PM
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What did they whack you for the R&P install?
Old 05-28-2014, 06:28 PM
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Originally Posted by AccordFlex
How would these gears work with a turbo application?
I mentioned it on the first page but the turbo engines generally like longer gearing of stock gears. More load will give quicker spool and the car should be overall quicker with stock gearing.
Old 05-29-2014, 07:08 AM
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^ +1
Old 05-29-2014, 08:03 AM
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Originally Posted by anx1300c
What did they whack you for the R&P install?
I got a quote from a shop in CT for $250, but I wasn't going to make the 3+ hour drive. King Motorsports, where ILC had his work done usually charges $200 based on their site, but I wasn't going to ship it there either. I was told by a few places they would have to open up the trans first in order to give me a quote. Another place quoted me $3K lmao. I ended up going to a shop that specializes in transmissions & spent $495. I was hoping to pay less, but at the same time I wasn't too upset about it because they cleaned the trans & the piece of mind that they specialized in transmissions was nice. They also cleaned it, which I'm happy about. Not to mention the fact that it's done!
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Old 05-29-2014, 08:16 AM
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