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What difference a gear makes
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DRR Trophy
posted
Ive got a 2750 pound mustang,306 on alcohol timing currently on 28 10.5 radial tire running 710s at 3500 ft pf air 90 degrees.Going from a 411 gear to a 488 just curious what difference this would make?

This message has been edited. Last edited by: Bubba9x9,
 
Posts: 16 | Location: greensboro north carolina | Registered: December 29, 2015Reply With QuoteReport This Post
DRR Pro
Picture of J178RED
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Need a little more info , what trans you using, you using a tranny brake and what RPM you leaving at , also what RPM shifting at and what RPM fall back after shift and RPM at the stripe...


HAVE THEY CALLED US YET ? THEY HAVE!!!
 
Posts: 2108 | Location: OLD NICK OUT ON THE TRACK OR IN THE DESERT | Registered: March 09, 2010Reply With QuoteReport This Post
DRR Trophy
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posted July 05, 2018 09:28 PMHide Post

Need a little more info , what trans you using, you using a tranny brake and what RPM you leaving at , also what RPM shifting at and what RPM fall back after shift and RPM at the stripe...

Powerglide,no brake,leaving 3800 shifting 6400,pretty sure going through the lights about 6400 as well
 
Posts: 16 | Location: greensboro north carolina | Registered: December 29, 2015Reply With QuoteReport This Post
DRR Pro
Picture of J178RED
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what is your MPH now , if its around 96 MPH I'm not sure your motor could use that gear

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Posts: 2108 | Location: OLD NICK OUT ON THE TRACK OR IN THE DESERT | Registered: March 09, 2010Reply With QuoteReport This Post
DRR Trophy
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Mph is 96-97
 
Posts: 16 | Location: greensboro north carolina | Registered: December 29, 2015Reply With QuoteReport This Post
DRR Top Comp
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That boy will be choking on the top end
 
Posts: 4453 | Location: everywhere | Registered: March 15, 2007Reply With QuoteReport This Post
DRR S/Pro
Picture of wideopen231
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Should help little motor pull on bottom end as long as can handle rpm at the stripe.!/8 mile no issue,but 1/4 mile it will be humming pretty good. Go to Wallace calculator and rn humbers it will get you dang close to real numbers.


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Posts: 1262 | Location: Greensboro NC | Registered: May 24, 2011Reply With QuoteReport This Post
DRR Sportsman
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If it hooks up, it will be faster. You may be in for some suspension retuning to keep it consistent, especially with the radial.
 
Posts: 478 | Location: here | Registered: February 12, 2006Reply With QuoteReport This Post
DRR Pro
Picture of rusty
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try shifting higher also


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Posts: 531 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
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