[Getter-Done]

The information I found was 23.5 gallons also.

And also: Was that 5 Gallon Gas Jug Full ???

Year:: 1970
Base Price: 2,955 (6 cid.) 3,050 (8 cid.)
Wheel Base: 104 in.
Length: 177.5 in.
Std. Engine, (net HP):
OHV Six-cylinder 250 cid. (110) @ 4000 rpm
Rear Axle:
GM Corporate 12-bolt (8.7/8-in. 1.31 Axle Dia. 30 Spline)
Transmission (M):
SM318/SM326/SM330/T-89A/T-150 3 spd. (2.47-3.50:1 First Gear)
SM465 4 spd. (6.55:1 First Gear)
Transfer Case (M):
NP205 (1.96:1 Low Range)
Dana 20 (2.03:1 Low Range)
Production Total: 11,527
Weight: 3,677 (6 cid.) 3,807 (8 cid.)

Fuel Tank Capacity: 23.5-gallon

Height: 68.7 in.
Opt. Engine, (net HP):
OHV Six-cylinder 292 cid. (125) @ 3600 rpm
OHV Eight-cylinder 307 cid. (135) @ 4000 rpm
OHV Eight-cylinder 350 cid. (170) @ 3600 rpm
Front Axle:
Dana 44 (8.5-in. 1.31 Axle Dia. 30 Spline)
Transmission (A):
TH350 (2.52:1 First Gear)
Transfer Case (A):
NP205 (1.96:1 Low Range)
Notes:
New grill with six groups of silver "dashes" above and below the horizontal aluminum center bar with Chevy's name across it.

The Blazer's single-unit body was joined to a heavy channel steel frame and had a completely removable fiberglass top.

A 4x2 Blazer was produced this year, but less than 1,000 were made.