Rochester Monojet Float Level Adjustment



Measure 1/16" to 1/8" in from the tip of the float.
Refer to the specifications for the float level. It can differ depending on model and engine.
Brass and black nitrophyl type floats are measured the same.
Do not put any pressure on the viton tipped needle. It will be damaged and cause flooding.
Do not bend adjustment by holding onto the nitrophyl. It could break the seal.
Float should be centered in the bowl. There is not much clearance and rubbing on the bowl side can cause flooding.
Rochester Monojet Float Level Specifications
VEHICLE
YEAR
APPLICATION
FLOAT LEVEL
BUICK
1968
250 SPECIAL
5/16
BUICK
1969
250 SPECIAL AT
1/4
BUICK
1969
250 SPECIAL ST
9/32
BUICK
1970-71
250
1/4
CHECKER
1968
230 6 CYL
9/32
CHECKER
1969
230, 250
1/4
CHECKER
1977
250
3/8
CHECKER
1978
250 EXC CALIF
5/16
CHECKER
1978
250 CALIF
3/8
CHECKER
1979
250
3/8
CHEVROLET
1968
230, 250 CAMARO
9/32
CHEVROLET
1968
CHEVELLE 230, 250
9/32
CHEVROLET
1968
230, 250
9/32
CHEVROLET
1968
CHEVY II 4 CYL 153
11/32
CHEVROLET
1968
CHEVY II 6 CYL 230, 250
9/32
CHEVROLET
1969
CHEVY II 4 CYL 153, 6 CYL 230, 250
1/4
CHEVROLET
1969
230, 250
1/4
CHEVROLET
1969
CHEVELLE 230, 250
1/4
CHEVROLET
1969
230, 250 CAMARO
1/4
CHEVROLET
1970-71
230, 250 CAMARO
1/4
CHEVROLET
1970-71
250
1/4
CHEVROLET
1970-72
NOVA 4 CYL, 6 CYL
1/4
CHEVROLET
1970-72
CHEVELLE 250
1/4
CHEVROLET
1972
VEGA 140 EXC CALIF.
1/16
CHEVROLET
1972
VEGA CALIF AT
1/16
CHEVROLET
1972
VEGA CALIF ST
1/8
CHEVROLET
1972
250 CAMARO
1/4
CHEVROLET
1972
250
1/4
CHEVROLET
1976-78
4 CYL
5/32
CHEVROLET
1977
6 CYL 250
3/8
CHEVROLET
1978
6 CYL 250 EXC CALIF & CANADA, A/T
5/16
CHEVROLET
1978-79
6 CYL 350 EXC CALIF & CANADA, S/T
3/8
CHEVROLET
1978-79
6 CYL 250 CALIF
3/8
CHEVROLET
1978
6 CYL 250 CANADA
5/16
CHEVROLET TRUCK
1968
6 CYL 230, 250, 292 1/2 & 3/4 TON
9/32
CHEVROLET TRUCK
1969-72
6 CYL
1/4
CHEVROLET TRUCK
1977
6 CYL 250 EXCEPT 17057006, 17057077
3/8
CHEVROLET TRUCK
1977
6 CYL 250 17057006, 17057077
5/16
CHEVROLET TRUCK
1977
6 CYL 292
5/16
CHEVROLET TRUCK
1978
292
5/16
CHEVROLET TRUCK
1979
292
3/8
CHEVROLET TRUCK
1980-89
292
11/32
GMC
1968
6 CYL
9/32
GMC
1969-70
6 CYL
1/4
GMC
1977
250 EXC 17057006, 17057007
3/8
GMC
1977
250 17057006, 17057007
5/16
GMC
1977
292
5/16
GMC
1978
250
5/16
GMC
1978
292
5/16
GMC
1979
292
3/8
GMC
1980-89
292
11/32
OLDSMOBILE
1968
F85 6 CYL 250
9/32
OLDSMOBILE
1969-71
6 CYL 250
1/4
PONTIAC
1968
ACADIAN 230, 250
9/32
PONTIAC
1969-70
ACADIAN 230, 250
1/4
PONTIAC
1968
FIREBIRD 250 ST
5/16
PONTIAC
1968
CANADA 250
9/32
PONTIAC
1968
TEMPEST 250
5/16
PONTIAC
1969
TEMPEST 250
9/32
PONTIAC
1969-70
CANADA 250
1/4
PONTIAC
1969
FIREBIRD 250 AT
9/32
PONTIAC
1970-71
TEMPEST 250
1/4
PONTIAC
1970-72
FIREBIRD 250
1/4
PONTIAC
1972
VENTURA 250
1/4
PONTIAC
1977
ACADIAN 4 CYL
5/32
PONTIAC
1978
ACADIAN 4 CYL CANADA
5/32
PONTIAC
1978
ACADIAN 6 CYL 250 CANADA 17058014, 17058026
5/16