dana 44 front axle question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**gmc 2500 4x4** · 11-15-2014, 10:55 AM

i have a '69 gmc 4x4 3/4ton w/4:56 gears. is it possible to go with 3:54 ratio as i have a 402bb in it now and dont want to blow it up lol

b454rat · 11-15-2014, 11:27 AM

yes just need to swap out carrier and gears. Thinking break is 3.73 down 3.92 up....

**gmc 2500 4x4** · 11-15-2014, 11:37 AM

thanx my friend. hows the weather up yur way? i aint ready 4 snow!

b454rat · 11-16-2014, 11:12 AM

Eh cold as usual. Welcome to New York!!!! Not 100% ready yet, truck just got needs an actuator for the 4wd to work, but got Tundra if it does snow....Not looking forward to 8 months of cold....

Mike C · 11-17-2014, 06:45 PM

Don't forget the rear has to be changed as well. For the 4x4 to be such, they need to be the same (within a percent or so).

**gmc 2500 4x4** · 11-18-2014, 12:30 AM

yes Mike C,

11-15-2014, 10:55 AM	#1
gmc 2500 4x4 Senior Member Join Date: Mar 2012 Location: ripley ny Posts: 2,887	dana 44 front axle question i have a '69 gmc 4x4 3/4ton w/4:56 gears. is it possible to go with 3:54 ratio as i have a 402bb in it now and dont want to blow it up lol

11-15-2014, 11:27 AM	#2
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,453	Re: dana 44 front axle question yes just need to swap out carrier and gears. Thinking break is 3.73 down 3.92 up.... __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS

11-15-2014, 11:37 AM	#3
gmc 2500 4x4 Senior Member Join Date: Mar 2012 Location: ripley ny Posts: 2,887	Re: dana 44 front axle question thanx my friend. hows the weather up yur way? i aint ready 4 snow!

11-16-2014, 11:12 AM	#4
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,453	Re: dana 44 front axle question Eh cold as usual. Welcome to New York!!!! Not 100% ready yet, truck just got needs an actuator for the 4wd to work, but got Tundra if it does snow....Not looking forward to 8 months of cold.... __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS

11-17-2014, 06:45 PM	#5
Mike C Registered User Join Date: Dec 1999 Location: Austin, TX, USA Posts: 7,709	Re: dana 44 front axle question Don't forget the rear has to be changed as well. For the 4x4 to be such, they need to be the same (within a percent or so). __________________ 44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax

11-18-2014, 12:30 AM	#6
gmc 2500 4x4 Senior Member Join Date: Mar 2012 Location: ripley ny Posts: 2,887	Re: dana 44 front axle question yes Mike C,



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