What is a F44 option on a 77 Chevy.

Bonanza77

Junior Member
Location
San Antonio
I was resarching my VIN on your web page and got stuck when I came to the series. In the manual it shows 1=1/2 ton, 2=3/4, 3=1ton and 4= F44 option. Well mine is the F44 option, just curious if anyone may know what this means. Thanks for your help.

Haas
 

Chuck Smith

2000 Club Member
Location
NJ
Well in my 1977 Chevrolet Truck Light-Duty Sales Album, there is no listing for "F44" under RPO's (Regular Production Options).

There is:
F40 - HD Front & Rear Suspension
F41 - Sport Suspension
then it goes to F51 - HD Front & Rear Shocks

BUT, under "Standard Specifications" it lists C/10, Big 10 (C10/F44), C/20, C/30.

So in a nutshell, you have a Big 10, which is also referred to as a "Heavy Half".

Here are the differences:
Rear Suspension: C/10 - 3100lb. -- Big 10/ F44 - 3400 lb.
Axle Ratio: C/10 - 3.40 -- Big 10/ F44 - 3.73
Springs@ground: C/10 - 1550 lb. ea. -- Big10/ F44 - 2000lb. ea.
Rear Brakes: C/10 - Drum 11" x 2" -- Big 10/ F44 - 11" x 2.75"
Tires: C/10 - G78-15B -- Big10/ F44 - L78 - 15B

That is it as far as suspension and brakes go. There is not much different otherwise, aside from trim and cosmetics.

Hope it helps.


~Chuck
 

John DiMartino

PlowSite.com Veteran
Location
Walden,NY
Chuck is right on the money,you have a heavy 1/2.Im not sure of the 73-87's,but i had 2 f44 's one 91,and a 94.They esentially are 2500LD's with 1500 springs.They have the bigger rear end (9.5),and larger brakes,thicker rotors,and the heavier driveshaft-u joints.in the 88-98 1500 the F44 could only be had on a 4x4 excab for some reason,the option raised the GVWR from 6200 to 6600 on shortbeds,and from 6200-6800 on long boxes.All 1500 diesels were F44's too,it was included,at no cost.
 

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