Forced Induction Superchargers | Turbochargers | Intercoolers

Best Gearing

Thread Tools
 
Search this Thread
 
Old Sep 9, 2005 | 02:33 PM
  #1  
KAOS's Avatar
Thread Starter
TECH Fanatic
20 Year Member
iTrader: (5)
 
Joined: Sep 2003
Posts: 1,586
Likes: 6
Default Best Gearing

wanting to hit 10s with new setup. all suspension work will be done, 12 bolt and so on. wantig to keep it a six speed car. i see every one running 342s with a 28in tall tire, but i think harlan used 373 with a 28incher with his "oldest" setup. which do you think would be best for my goals. will have 500+rwhp and tq, i hope. any suggestions
Reply
Old Sep 9, 2005 | 06:45 PM
  #2  
2000 Tran Zam's Avatar
TECH Addict
iTrader: (2)
 
Joined: Jul 2004
Posts: 2,333
Likes: 0
From: Ahwatukee, Az
Default

id say 3 73 should be fine, it also depends on how high you will be spinning your motor to....
Reply
Old Sep 10, 2005 | 07:08 AM
  #3  
stevieturbo's Avatar
9 Second Club
 
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Default

Would something like this help ?

http://www.geocities.com/z_design_st...ion_z28_6.html
Reply
Old Sep 10, 2005 | 09:07 PM
  #4  
Mike 01WS6's Avatar
TECH Fanatic
 
Joined: Jul 2002
Posts: 1,218
Likes: 1
From: MI
Default

Originally Posted by KAOS
wanting to hit 10s with new setup. all suspension work will be done, 12 bolt and so on. wantig to keep it a six speed car. i see every one running 342s with a 28in tall tire, but i think harlan used 373 with a 28incher with his "oldest" setup.
He used a 3.70 gear.
Reply
Old Sep 11, 2005 | 12:42 AM
  #5  
KAOS's Avatar
Thread Starter
TECH Fanatic
20 Year Member
iTrader: (5)
 
Joined: Sep 2003
Posts: 1,586
Likes: 6
Default

i just wonder how much gear i need, i mean how fast will a 500+ whp take you in the quarter?
Reply
Old Sep 11, 2005 | 01:23 AM
  #6  
Mike 01WS6's Avatar
TECH Fanatic
 
Joined: Jul 2002
Posts: 1,218
Likes: 1
From: MI
Default

Originally Posted by KAOS
i just wonder how much gear i need, i mean how fast will a 500+ whp take you in the quarter?
Depends a LOT on your weight. My car is heavy as HELL, so big power didn't take me anywhere.

I only trap at 124mph. If I had a t-top car or a formy, I'd be trapping 128+.
Reply
Old Sep 12, 2005 | 01:44 PM
  #7  
KAOS's Avatar
Thread Starter
TECH Fanatic
20 Year Member
iTrader: (5)
 
Joined: Sep 2003
Posts: 1,586
Likes: 6
Default

not sure on weight, trying to get it as light as possible. took all interior out seat belts in back, spare, no AC, going with light carpet, chormoly cage, dont know what else to do really, want to be able to take it back to stock if need be. according to that calculator a 373 would be good for now, i would just have to change cams in the future to go a little faster. i duuno though
Reply
Old Sep 12, 2005 | 02:14 PM
  #8  
CHRISPY's Avatar
TECH Senior Member
 
Joined: Nov 2001
Posts: 10,341
Likes: 1
Default

3.73 will be good for street and strip with a 26 inch tall tire. If you are running 28 inch tall tires with 500RWHP I would go with a 4.11 gear.

Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-1

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-2

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Sep 12, 2005 | 02:17 PM
  #9  
onfire's Avatar
Coal Mining Director
iTrader: (17)
 
Joined: Nov 2001
Posts: 4,442
Likes: 0
From: Virginia
Default

If you are doing a turbo set-up your best bet is to try what you have first. Turbo's don't require much gear. I'm blowing off new 11.5 x 28 x 16 ET Streets with a 3.08 gear and a #4pump Vig running high 10's at 128mph. I'd slow down with 3.73 or 4.10 gears....no traction.
Reply
Old Sep 12, 2005 | 06:42 PM
  #10  
KAOS's Avatar
Thread Starter
TECH Fanatic
20 Year Member
iTrader: (5)
 
Joined: Sep 2003
Posts: 1,586
Likes: 6
Default

im not going over 373, just not sure which would be better. wanting 10s bad, just so i can say i did it. MM is running 342s i think, but he has but loads of power
Reply
Old Sep 12, 2005 | 07:16 PM
  #11  
MIGHTYMOUSE's Avatar
TECH Senior Member
20 Year Member
Photogenic
Photoriffic
Liked
iTrader: (59)
 
Joined: Nov 2001
Posts: 10,018
Likes: 51
From: Virginia
Default

pick your goal trap speed, pick the tire you want or are limited to, pick your max engine rpm, and you will find the rear gear you want.

its fairly simple math but heres a calculator http://www.wallaceracing.com/calcrgr.php
Reply
Old Sep 12, 2005 | 08:35 PM
  #12  
Got Me SOM's Avatar
10 Second Club
iTrader: (2)
 
Joined: Sep 2002
Posts: 6,368
Likes: 0
From: Orlando, Florida
Default

i wouldn't worry about gears so much. if all you want is 10's concentrate on SUSPENSION. people have gone 10's with less , its all in the 60 foot.

a simple 1.60 should do it with 500 rear wheel.
Reply




All times are GMT -5. The time now is 07:47 AM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE