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Engine
Timing and Idle Speeds:
250 H.P. Engine
4° BUDC
@500'
rpm
300 H.P.
Engine
8°
BUDC @ 500' rpm
365
H.P. Engine
(Solid
Lifter
Camshaft Engine)
10°
BUDC
@
700 rpm
·475
rpm
for Powerglide
NOTE. The abo¥.
~nf1S
mu"
be
III!lde with lhe vacuum
Ii""
disconnected and
~.
Valve
Specifications:
SOLID LIFTERS:
Intake
Exhaust
HYDRAULIC LIFTERS:
.030" Clearance
.030" Clearance
With
engine
idling.
back
off adjusting screw
until
tappet
begins
to
click
lightly;
then
tum screw
down
one
full
turn
at
both
intake
and exhaust.
CARBURETORS:
250
H.P.
Engine-Carter WCFB 4.Barrel Downdraft
with Integral Automatic Choke.
300 H.P. Engine-Carter A.F.B. 4·Barrel Downdraft
carburetor with Integral Automatic Choke.
365 H.P. Engine-Holley special 4-Barrel Downdraft
carburetor with integral
au
tomatic
choke.
Three Speed
RATIOS:
TRANSMISSIONS
First Speed Forward
Second Speed Forward
Third Speed Forward
Reverse
Four
Speed
RATIOS:
First Speed Forward
Second Speed Forward
T
hird
Speed Forward
Fourth
Speed Forward
Reverse
Powerglide
RATIOS:
Maximum Torque Converter
Maximum
Overall
Low
Reverse
REAR AXLE
RATIOS:
Three speed
Four speed
(Regular)
(Optional)
2.58:1
1.48:
I
1:1
2.58:1
Reg-
Close
ular
Ratio
2.56:1
1.91:1
1.48:1
1:1
2.64:1
2.2:
I
1.64:1
1.28:1
1:1
2.27:1
2.20:1
3.70:1
3.70
to 1.76: 1
3.70
to 1.76: 1
3.36:1
3.36:1
3.08:1
45
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