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07-21-2006, 10:58 PM
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#1
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MIR
Join Date: Jul 2005
Posts: 9,692
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Gears...
so um..ive been pondering what should i stick in there. 4.10, 3.90, or 3.73? i know most will probably say 4.10s and what not but you gotta remember the car is my DD, i was thinking about picking up a beater but i dont have it yet. So keeping in mind that i gotta drive the ****box everyday should i swap out the stockers? Oh and how is driveability and all that jazz with different gear?
ok, go go go...
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07-22-2006, 12:09 AM
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#2
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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i know where you can get a beater jeep for like 400
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07-22-2006, 12:41 AM
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#3
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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When I went from 3:23s to 3:73s the car was completely different. It gained ALOT. My car with the A4 felt alot better, but I dont think with 3:42s and a M6 and bumping to 3:73s will be a big jump. You have alot of transmission gear to go to a 4:10 without really running into drivability problems. I think (IMO) 4:10s in a M6 would be the best way to go if youre looking to gain some performance from the car.
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07-22-2006, 12:52 AM
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#4
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2007 Member of the Year
Join Date: Oct 2004
Location: Seabrook, TX
Posts: 14,281
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4.10s, you'll have no DD problems, in fact it'll probably make things easier/better.
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WF=DF
Kommandant of the ACL (Anti Canadian League)
Quote:
Originally Posted by LTb1ow
Junk the pos, spend the money on beer, acquire headache.
Same result cept this headache doesnt last months.
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07-22-2006, 04:49 PM
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#5
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Join Date: Aug 2004
Location: Somerset County
Posts: 5,559
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id stick with 3.90s at the most, cuz with 4.10s you'll be shifting into 5th before the traps at the track if you run a stock tire size.
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1999 Corvette FRC
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07-22-2006, 04:54 PM
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#6
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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That depends on if he is planning on going to the track and how much. I know with the Nova I will be running the LT1/T56 but with 4:56 gears, but I dont really care about having to use 5th in that car.
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07-23-2006, 01:12 AM
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#7
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American Road Warrior
Join Date: Jul 2005
Location: Wastelands of NJ
Posts: 6,116
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4.10s FTW!
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unstable bob gable: LEGENDARY LEGEND,
ICONIC ICON, AND AMERICAN BAD AZZ!!!
1991 Dodge Spirit R/T: Gran'pa lookin' 150+ mph turbo rocket.
2013 Dodge Avenger RT: Wastelands cruiser.
2008 Crown Vic Police Interceptor: 'Nuff said!
THE ONLY THING THAT SUCKS WORSE THEN IMPORTS ARE RICED OUT IMPORTS!!!
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07-23-2006, 10:29 AM
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#8
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Join Date: Nov 2005
Location: Edison
Posts: 7,855
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wait, so If I care all about the 1/4 no drivablity or gas milage, I should get a 6sp and some 4.56?
I want 4.10's for my car now.
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1984 Firebird
2000 Z28
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07-23-2006, 10:35 AM
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#9
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MIR
Join Date: Jul 2005
Posts: 9,692
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Quote:
Originally Posted by WayFast84
wait, so If I care all about the 1/4 no drivablity or gas milage, I should get a 6sp and some 4.56?
I want 4.10's for my car now.
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dont even think about hijacking my thread.
Um..some interesting points so far. J0n brought up a good one, but i dunno how often i would go to the track, however if i did go i wouldnt wanna really shift into 5th before the traps. How much will the speedo be off, does any one know? i mean ill get it tuned eventually but not right away, and i dont want tickets
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07-23-2006, 03:28 PM
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#10
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Join Date: Aug 2004
Location: Somerset County
Posts: 5,559
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ok i just rechecked my calculations and i was wrong...if you plan on doing more than basic bolt-ons you'll be shifting into 5th.
4th gear with 4.10s = 106 @ 5700rpms
4th gear with 3.90s = 112 @ 5700rpms
edit: for comparison, cutting a 2.0 60' i trapped ~ 103 with a shifter, mid-length headers, and a tune
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1999 Corvette FRC
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07-24-2006, 07:15 PM
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#11
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Resident Camera Guy
Join Date: Aug 2004
Location: North Jersey
Posts: 10,971
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I also cut a 2.0 60' & trap 103 as well in 4th with 3.42s
(intake, cut-out, shifter, suspension)
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07-24-2006, 08:25 PM
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#12
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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i trap at 111 with my 4.11s, stock tires. its at 6100 thru the traps too :/
sorry i dont wanna hijack thread here
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01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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07-25-2006, 04:15 PM
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#13
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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Your LS1 can easily spin up higher than their LT1s in stock form.
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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07-25-2006, 07:23 PM
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#14
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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What is your 1st gear ratio?
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Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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07-25-2006, 10:10 PM
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#15
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Join Date: Aug 2004
Location: Somerset County
Posts: 5,559
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Quote:
Originally Posted by BonzoHansen
What is your 1st gear ratio?
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2.66 : 1
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1999 Corvette FRC
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07-26-2006, 03:43 PM
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#16
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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As I have been told, the rule of thumb is to keep 1st Gear X Rear Gear between 10 and 11 (at least for street cars). Higher than 11 and 1st gear is pretty useless, lower and you don’t have enough gear, I guess causing tuning and clutch issues. I suppose this also assumes normal height street tires, not giant slicks. Super tall tires would likely alter the decision process – and I don’t know drag racing needs enough to comment. So based on that, here is the range you might look at:
2.66 x 4.56 = 12.1
2.66 x 4.11 = 10.9 <--in range
2.66 x 3.90 = 10.4 <--in range
2.66 x 3.73 = 9.9 <--in range
2.66 x 3.42 = 9.1
Cruising RPM, based on .50 6th (I am assuming 4th gen T56), Tire OD 25.8 (275/40/17)
GEAR 55m 65m 75mph
4.11 1471 1739 2007
3.90 1396 1650 1904
3.73 1335 1578 1821 (You‘d barely use this gear on the street )
The 4.11s or 3.90s look tasty. And it seems some experience with T56 4th gens around here support this. Just an opinion based on what I have been told over the years.
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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07-26-2006, 03:49 PM
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#17
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MIR
Join Date: Jul 2005
Posts: 9,692
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oh wow, thanks alot
follow up question. does the brand matter, such as "motive" or "strange" whos got a better rep? or is all the same crap? thanks
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07-26-2006, 04:25 PM
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#18
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by Tsar
oh wow, thanks alot
follow up question. does the brand matter, such as "motive" or "strange" whos got a better rep? or is all the same crap? thanks
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Name brand stuff is usually good. Motive, Strange, Richmond, etc...
Just note that properly set up street gears will make little or no noise. Don't believe the "so-and-so's gears make noise" buzz. Getting it done right means doing it over a few times in many cases, and not every rear builder will go to that length to keep gear noise down.
Last edited by WildBillyT; 07-26-2006 at 04:27 PM.
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07-26-2006, 04:54 PM
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#19
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,684
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__________________
Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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07-26-2006, 09:16 PM
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#20
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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Quote:
Originally Posted by BonzoHansen
As I have been told, the rule of thumb is to keep 1st Gear X Rear Gear between 10 and 11 (at least for street cars). Higher than 11 and 1st gear is pretty useless, lower and you don’t have enough gear, I guess causing tuning and clutch issues. I suppose this also assumes normal height street tires, not giant slicks. Super tall tires would likely alter the decision process – and I don’t know drag racing needs enough to comment. So based on that, here is the range you might look at:
2.66 x 4.56 = 12.1
2.66 x 4.11 = 10.9 <--in range
2.66 x 3.90 = 10.4 <--in range
2.66 x 3.73 = 9.9 <--in range
2.66 x 3.42 = 9.1
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Wow if you are right, I get a little nervous about the trans going in the chevelle with a 3.42 first gear ratio
3.42x4.10=14.02
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07-26-2006, 09:28 PM
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#21
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,684
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Quote:
Originally Posted by bad64chevelle
Wow if you are right, I get a little nervous about the trans going in the chevelle with a 3.42 first gear ratio
3.42x4.10=14.02
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T56 swap?
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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07-27-2006, 07:25 AM
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#22
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I will beat you with a toaster!
Join Date: Sep 2004
Posts: 6,054
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no...
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07-27-2006, 08:56 AM
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#23
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,684
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Quote:
Originally Posted by bad64chevelle
no...
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i guess you like giving all your money to gas stations
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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07-27-2006, 09:13 AM
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#24
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by bad64chevelle
Wow if you are right, I get a little nervous about the trans going in the chevelle with a 3.42 first gear ratio
3.42x4.10=14.02
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3.42 first?
What trans are you using?
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07-27-2006, 09:40 AM
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#25
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,684
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Quote:
Originally Posted by WildBillyT
3.42 first?
What trans are you using?
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M20 IIRC
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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