1956 Packard Panther Project

The Packard V-8 Engine

1955-56 Packard V-8 Engine data

Dimensions
YearCIDBore StrIntExh
19553203.8173.501.9371.687
19553524.0003.501.9371.687
19563524.0003.502.0001.687
19563744.1253.502.0001.687
1957?4404.4753.502.0001.687

Carburetors
CarbPriSec AreaBoreAreaCFM
4C51.06250.93754.021.31256.89366
4R51.06251.00004.261.31256.89374
2C51.18750.00002.821.31253.44249
2C61.18750.00002.821.31253.44249
4C61.06251.25005.381.43758.23457
4R61.12501.25006.251.43758.23486
Carb codes:
1st (#) is barrels
2nd (letter) is ‘C’arter or ‘R’ochester
3rd (#) is year (5=1955)

Camshaft
IntakeExhaust
YEARCAM OpClCLDURLIFT OpClCLDURLIFT
195544087614561112500.3745218 1072500.374
1956648056114621142560.3985418 1082520.388
2001Panther3147104270 0.49659261122760.491

Power
YearCIDCR HPTorqueCarb ExhCar
19553208.50225@4600325@26001x4C5Sngl Clipper
19553208.50208@4600310@26001x2C5Sngl Hudson
19553528.50245@4600355@24001x4R5Sngl Clipper
19553528.50260@4600355@26001x4R5Dual Senior
19553529.00275@4600355@26002x4R5Dual Caribbean
19563529.50240@4600350@28001x2C6Sngl Clipper
19563528.50220@4000330@28001x2C6Sngl Hudson
19563529.50275@4600380@28001x4C6Dual Executive
195637410.0290@4600405@28001x4R6Dual Senior
195637410.0310@4800405@30002x4R6Dual Caribbean
195744010.5300@4000475@20001x4R6Dual Black Bess
200137410.5366@5500440@35001x4E1 HdrsPanther

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