Most recent update 18 October 1998

I have listed the basic specifications here .

Click the motor you want .

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6 Cyl motors

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• 144 Cubic Inch
• 170 Cubic Inch
• 188 cubic inch
• 200 Cubic Inch
• 221 Cubic Inch
• 250 Cubic Inch (Includes 250 -2V)



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8 Cyl motors

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Please note ... I have shown the year of introduction only here . The reason is although production never ceased on some motors , they have been changed in so many ways over the years as to be unrecognisable from the original , so to play it safe I wont put in an expiry date .

NOT including GT and GTHO . Click < HERE > to go to the GT page !

• 289 Cubic Inch
• 302 Cubic Inch
• 351 cubic inch

The 6 Cylinders 

144 Cubic Inch ( 2.36 Litre)

• 1960 - 1966 . XK - XP Models
• Type : Overhead Valve in line 6 cylinder .
• Bore : 3.50nch (89mm)
• Stroke : 2.50 (64 mm )
• Brake horsepower : 90 (67 kW ) @ 4200 r.p.m.
• Torque : 138 ft/lbs (187 Nm ) @2000 r.p.m.
• Note : A low compression version (7.5:1) 85 Hp version was also available

170 Cubic Inch ( 2.78 Litre)

• 1960 - 1968 . XK - XT Models
• Type : Overhead Valve in line 6 cylinder .
• Bore : 3.50 inch (89mm)
• Stroke : 2.94 inch (75 mm )
• Brake horsepower : 101 (75 kW ) @ 4400 r.p.m.
• Torque : 156 ft/lbs (212 Nm ) @2400 r.p.m.

188 Cubic Inch ( 3.1 Litre)

• 1968 - 1970 . XT - XW Models
• Type : Overhead Valve in line 6 cylinder .
• Bore : 3.68 inch (93mm)
• Stroke : 2.94 inch (75 mm )
• Brake horsepower : 114 (85 kW ) @ 4400 r.p.m.
• Torque : 180 ft/lbs (244 Nm ) @2400 r.p.m.

200 Cubic Inch ( 3.28 Litre)

• 1964 - 1990 . XM - EA Models
• Seen in different configerations IE Cast iron head , alloy head , cross flow head ,etc .Refered to as 3.2 LTR in later models.
• Type : Overhead Valve in line 6 cylinder .
• Bore : 3.60 inch (91mm)
• Stroke : 3.50 inch (89 mm )
• Brake horsepower : 121 (90 kW ) @ 4400 r.p.m.
• Torque : 175 ft/lbs (237 Nm ) @2400 r.p.m.

221 Cubic Inch (3.62 Litre)

• 1968 - 1970 . XT - XW Models
• Type : Overhead Valve in line 6 cylinder .
• Bore : 3.68 inch (93mm)
• Stroke : 3.46 inch (88 mm )
• Brake horsepower : 135 (101 kW ) @ 4400 r.p.m.
• Torque : 208 ft/lbs (282 Nm ) @2400 r.p.m.

 

 250 Cubic Inch (4.1 Litre)
250 Cubic Inch -2V version (twin throat carbi ) { Figures in RED)

1970 (XY) onwards in many variations (XY specs shown below)

• Type : Overhead Valve in line 6 cylinder .
• Bore : 3.68nch (93mm)
• Stroke : 3.91 (99 mm )
• Brake horsepower : 155 (116 kW ) @ 4400 r.p.m. ( 170 bhp /127 kW @4200 rpm)
• Torque : 240 ft/lbs (325 Nm ) @ 1600 r.p.m. (250 ft/lbs / 339 Nm @ 2200)

289 Cubic Inch ( 4.74 Litre)

• 1966 - 1968 . XR Models
• Type : Overhead Valve , 8 cylinders in 'V' configuration
• Bore : 4.00 inch (102mm)
• Stroke : 2.87 inch (73 mm )
• Brake horsepower : 200 (149 kW ) @ 4400 r.p.m.
• Torque : 282 ft/lbs (382 Nm ) @2400 r.p.m.

302 Cubic Inch ( 4.95 Litre)

• 1968 - XT Models onwards
• Type : Overhead Valve , 8 cylinders in 'V' configuration
• Bore : 4.00 inch (102mm)
• Stroke : 3.00 inch (76 mm )
• Brake horsepower : 210 (157 kW ) @ 4600 r.p.m.
• Torque : 300 ft/lbs (407 Nm ) @2400 r.p.m.
  
   351 Cubic Inch ( 4.95 Litre) 
  
  
• 1970 - XY Models onwards
• Type : Overhead Valve , 8 cylinders in 'V' configuration
• Bore : 4.00 inch (102mm)
• Stroke : 3.50 inch (89 mm )
• Brake horsepower : 250 (186 kW ) @ 4600 r.p.m.
• Torque : 355 ft/lbs (481 Nm ) @2600 r.p.m.
  
  

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