Forced Induction Superchargers | Turbochargers | Intercoolers

t56 wide or close ratio for boost?

Thread Tools
 
Search this Thread
 
Old Jul 16, 2013 | 12:42 AM
  #1  
cullen's Avatar
Thread Starter
Teching In
iTrader: (3)
 
Joined: Sep 2004
Posts: 44
Likes: 1
From: Van Nuys, CA.
Default t56 wide or close ratio for boost?

Im in the market for a new magnum t56. If you had to choose wide or close ratio, which would it be? I kinda have an idea of what I should get but I would like some opinions before I drop $3000.

2.66 1.78 1.30 1.00 .80 .63 close
&
2.97 2.10 1.46 1.00 .74 .50 wide
Its going in a 2800lb nova with a boosted 4.8, 3.55 rear gear ratio.

Last edited by cullen; Jul 16, 2013 at 12:50 AM.
Reply
Old Jul 16, 2013 | 08:02 AM
  #2  
Big Reade's Avatar
On The Tree
10 Year Member
 
Joined: Apr 2013
Posts: 124
Likes: 0
From: Tucson, AZ
Default

Close ratio is gonna do better for keeping your R's up when you shift, which, in turn, is gonna keep you in boost moreso than the wider ratio.
Reply
Old Jul 16, 2013 | 05:15 PM
  #3  
stevieturbo's Avatar
9 Second Club
 
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Default

I'd hardly call either wide or close.

Although normally the 0.74 and 0.5 5 and 6 gearset go with the taller 2.66 first gear.
Reply
Old Jul 16, 2013 | 06:52 PM
  #4  
gnx7's Avatar
TECH Junkie
20 Year Member
Liked
Loved
Community Favorite
iTrader: (28)
 
Joined: Nov 2002
Posts: 3,655
Likes: 277
From: San Francisco, CA
Default

The 2.66 gear ratio version has the .80 5th gear which keeps you nicely in the powerband for ludicrous speed

The T56 Magnum shifts awesome. I love mine.
Reply
Old Jul 16, 2013 | 10:49 PM
  #5  
cullen's Avatar
Thread Starter
Teching In
iTrader: (3)
 
Joined: Sep 2004
Posts: 44
Likes: 1
From: Van Nuys, CA.
Default

Cool, thanks for the input. I think i'm leaning toward the 2.66 version(close). I was thinking the 1.30 3rd gear would be better for boost anyways.
Reply




All times are GMT -5. The time now is 10:33 PM.

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