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3.23 verus 3.55

Started by slyfox, June 04, 2010, 05:14:18 PM

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slyfox

Hi, Is there a big difference  from a 3.23 to a 3.55, RPM, and in dead stop take off? I'm just wondering if it's worth the money.   Thanks      Sly

maxwellwedge

Not a day and night difference but a lower gear (higher numerically) will always make a car accelerate harder/quicker. 3.55 is a great all around street gear.

resq302

Two years ago I upgraded from the stock 3.23 to 3.55.  Definite notice in "power" off the line however, I do notice a difference in rpm's when I am cruising along though.  Over all it is not that big of a difference in driveability but definitely makes the car more fun off the line and better pick up vs. the 3.23.
Brian
1969 Dodge Charger (factory 4 speed, H code 383 engine,  AACA Senior winner, 2008 Concours d'Elegance participant, 2009 Concours d'Elegance award winner)
1970 Challenger Convert. factory #'s matching red inter. w/ white body.  318 car built 9/28/69 (AACA Senior winner)
1969 Plymough GTX convertible - original sheet metal, #'s matching drivetrain, T3 Honey Bronze, 1 of 701 produced, 1 of 362 with 440 4 bbl - auto

0X01B8


slyfox

Thanks for all the info. i like the calc, i'll be changing it.     Sly

Nacho-RT74

I made the 3.23 to 3.55 change and I'M HAPPY!
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

Hemidog

I've got 3.23 and I'm really happy with the highway rpm, and I would not change to 3.55.