Thread: 1957 Y-block
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Old 12-16-2014, 11:58 PM
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Default 1957 Y-Block

The 1957 Little Bird had five different engine choices for it that year.

C
Thunderbird V-8 Conventional Transmission:
Displacement: 292 CID
Bore and Stroke: 3.75 x 3.30 in.
Compression Ratio: 9.10:1
Brake Horsepower: 212 @ 4500 rpm
Torque: 297 lbs.-ft. @ 2700 rpm
Carburetor: Holley 2V

Optional:
D
Thunderbird Special V-8
Overdrive or Ford-O-Matic Transmission:
Displacement: 312 CID
Bore and Stroke: 3.80 x 3.44 in.
Compression Ratio: 9.7:1
Brake Horsepower: 245 @ 4500 rpm
Torque: 332 lbs.-ft. @ 3200 rpm
Carburetor: Holley 4V

Optional:
E
Thunderbird Super V-8
All Transmissions:
Displacement: 312 CID
Bore and Stroke:3.80 x 3.44 in.
Compression Ratio: 9.7:1
Brake Horsepower: 270 @ 4800 rpm
Torque: 336 lbs.-ft. @ 3400 rpm
Carburetor: Holley 4V x 2

Optional: (another E version that was Super V-8 Racing version
E
Thunderbird Super V-8—Racing Kit Version
All Transmissions:
Displacement: 312 CID
Bore and Stroke:3.80 x 3.44 in.
Compression Ratio: 10.0:1
Brake Horsepower: 285 @ 5200 rpm
Torque: 343 lbs.-ft. @ 3500 rpm
Carburetor: Holley 4V x 2

Optional:
F
Thunderbird Special Supercharged V-8
All Transmissions:
Displacement: 312 CID
Bore and Stroke:3.80 x 3.44 in.
Compression Ratio: 9.7:1
Brake Horsepower: 300 @ 4800 rpm
Torque: 340 lbs.-ft. @ 5300 rpm
Carburetor: Holley 4V with McCulloch Variable Ratio Centrifugal Supercharger

TRANSMISSION CODE
TRANSMISSION DESCRIPTION
1 - Manual

2 - Overdrive

3 - Automatic

Standard: 3-speed Synchromesh with helical gears
Ratios: 2.32:1 (first); 1.48:1 (second); 1:1 (third); 2.82:1 (reverse)

Optional Overdrive: Planetary overdrive with planetary gears
Ratio: 0.70:1
Cut-In Speed: 27 mph
Cut-Out Speed: 21 mph

Optional Automatic: Ford-O-Matic torque converter with planetary gears
Ratios: 1.48:1 (drive); 2.44:1 (low); 2.0:1 (reverse)

It is my understanding that Scott has a D Code Special V-8 engine in his '57.

In 1956, the Little Bird had a M Code 292 as the Standard engine, but it also had 3 P Code 312's as optional engines. In 1955, the only engine offered was a P Code 292. No 312 was listed for 1955. Source: www.automotivemileposts.com

Are there any stampings on these engines back then that Scott can look for to see which year engine he has in his '57? More than likely, Scott it is a '57 312, but it could also be a '56 312. The Squarebird and other Tbirds have stampings on the block that tell you the year, etc..

"Numbers Matching" is a whole other ball of wax that I am not going to get into, but others probably are better qualified to talk about..
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'59 Tbird "The Yellow Rose Of Texas" aka "Tweety Bird"
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