NHRA Technical Specifications
For
1970 Chrysler Corp. Motors

						  ROD
BORE	STROKE	    DISPLACEMENT     CYLINDERS	LENGTH
3.406	3.640		198		6	6.700
3.406	4.126		225		6	6.700
3.910	3.313		318		8	6.123
4.040	3.313		340		8	6.123
4.250	3.375		383		8	6.360
4.250	3.750		426		8	6.861 Hemi
4.320	3.750		440		8	6.770							10/13/2008

Issued:        23 March 1970 
Revised:       5-24-71,4-2-76,5-24-94,3-16-95,2-16-96,7-1-96, 02-18-03, 5-13-03, 10-25-06 JS, 10-13-08 WR

                                                                                   R.R.                                             
HP   Disp Mfg  C.R. Ind. Make Model/Transmission               Manifold            Lifter Head cc  Notes               

125  198  DP   8.8  1-1  Cart BBS-4715/SM, 4716/AUTO           2899959    		1.5 M	 53.8    A,3,10
				Carb sizes – 1686/1313
145  225  DP   8.8  1-1  Holl 4351,4353/SM, 4552,4554/AUTO 	   2899959    		1.5 M	 53.8      A,10
				Carb sizes 1686/1313
230  318  DP   9.3  1-2  Cart BBD-4721/SM, 4722/AUTO       	   2951185,3698431   	1.5 H	 60.6    B,4
275  340  DP  10.5  1-4  Cart AVS-4933,36/SM 4934,37/AUTO  	   3462848           	1.5 H	 63.3      C
				Carb sizes – 1437x1686/1186xAV
290  340  DP  10.5  3-2  Holl F-4789,4671/ALL R-4790/ALL   	   3418682           	1.5 H	 63.3    C,5,12
				Carb sizes – F & R 1750/1563  C – 1500/1186
290  383  C    8.7  1-2  Holl 4370,4372/SM, 4371,4373/AUTO 	   2951670,2951185   	1.5 H	 79.5    D,1
				Carter Carb sizes – 1563/1313
				Holley Carb sizes – 1563/1343
290  383  DP   8.7  1-2  Cart BBD-4728,4894/SM 4726,28/AUTO	   2951670,2951185   	1.5 H	 79.5    D,6
				Carter Carb sizes – 1563/1313
				Holley Carb sizes – 1563/1343
330  383  C    9.5  1-4  Cart AVS-4736 or 34/AUTO ONLY    	   2951666          	1.5 H	 79.5      D
				Carb sizes – 1437x1686/1186xAV
330  383  DP   9.5  1-4  Cart AVS-4736,34/SM 4732/AUTO     	   2951666          	1.5 H	 79.5      D              
				Carb sizes – 1437x1686/1186xAV
335  383  DP   9.5  1-4  Holl 4367,4217/SM 4369,4218/AUTO  	   2951666           	1.5 H	 79.5    D,7
				Carb sizes – 1563x1750/1260x1563
350  440  C    9.5  1-4  Holl 4360 or 4366/AUTO ONLY       	   2951736,3614014   	1.5 H	 79.5    D,2
				Carter Carb sizes – 1686x1686/1437xAV
				Holley Carb sizes – 1563x1563/1260x1313
350  440  DP   9.7  1-4  Holl 4366 or 4360/AUTO ONLY       	   2951736,3614014   	1.5 H	 79.5      D
				Holley Carb sizes – 1563x1563/1260x1313
375  440  C    9.7  1-4  Holl 4738 or 4740/AUTO ONLY       	   2951736,3614014   	1.5 H	 79.5      D
				Holley Carb sizes – 1563x1563/1260x1313
375  440  DP   9.7  1-4  Cart AVS-4737,4739/SM 4738,4741/AUTO  2951736,3614014  	1.5 H	 79.5      D
				Carter Carb sizes – 1686x1686/1437xAV
390  440  DP  10.5  3-2  Holl F-4175,4671,4382,4393       	   2946276    		1.5 H	 79.5    D,8,11
				Carb sizes – F & R 1750/1563  C – 1500/1186
425  426  DP  10.2  2-4  Cart F-4742/ALL & R-4745/SM       	   2780543           I	1.56 H	167.7    E,9
 				Carb sizes – 1437x1686/1186x1563		      E	1.52 H

C = Chrysler engines  D = Dodge engines  P = Plymouth engines
1 – Alt carbs - Carter BBD-4725,4727 and 4726,4728
2 - Carter AVS-4738,4740 used on Chrysler and Imperial.
3 - Alt carbs - 4717/SM  4718/AUTO or 6260,6363,6464/ALL   4 - Alt carbs - 4723/SM  4724/AUTO 
5 - Alt carbs   C-4791/SM or 4792/AUTO                     6 - Alt carbs   Holl 4373,4371         
7 - Alt carbs   Holl 4667,4668,4688,4734,4735,6191,6193
8 - Alt carbs   R-4383,4394,4672  C-4144,4365,4374,4375,4391,4392,4669,4670
9 - Alt carbs   F-4971,4619/ALL  R-4620,4969/SM  or R-4746/AUTO
10 - Alt manifolds - 3671619,3751630,2899959,3769979
11 - Alt manifolds - 3412046,3412048                                                                                             
12 – Alt manifold -3418681

Cylinder Head Castings:
A = 2843169, 3671619, 3614850, 3698995
B = 2843675, 3671585, 3769973, 4323302, 4448308, 4772576
C = 2531894, 3418915, 4027596, 4071051, 3671587, 3769974, 4448308, 4772576
D = 2843906, 3462346, 3751213, 4006452, 3769902, 3769975, 4120187, 4532287(SS ONLY)
E = 2780559,2780559-M

               Deck   Piston                   
HP   Disp Mfg   Cl    Type  	Height	Vol           Valves    Cam Lift     Gasket      Springs                    

125  198  DP 	.077  	Flat                         	1620/1360 404/399     	.021      Outer Only
145  225  DP   .141  	Flat                         	1620/1360 404/399     	.021      Outer Only
230  318  DP   .060	Flat                         	1780/1500 390/420     	.028      Outer Only
275  340  DP   .045ab	Flat w/n      	 5.45 cc   	2020/1600 462/473     	.035      Outer w Damp
290  340  DP   .045ab	Flat w/n      	 5.45 cc      	2020/1600 462/473     	.028      Outer w Damp              
290  383  CDP  .045  	Dish	.045	 5.11 cc      	2080/1740 431/443     	.020      Outer Only
330  383  CDP  .004  	Flat                        	2080/1740 431/443     	.021      Outer Only
335  383  DP   .004  	Flat                         	2080/1740 455/470     	.021      Outer w Damp
350  440  CDP  .051  	Flat                         	2080/1740 431/443     	.021      Outer Only
375  440  CDP  .051  	Flat                        	2080/1740 455/470     	.021      Outer w Damp 
390  440  DP   .001  	Flat w/n      	 2.24 cc      	2080/1740 455/470     	.021      Outer w Damp
425  426  DP   .536ab	Dome          	88.30 cc      	2250/1940 490/480     	.018      Outer w Damp

C = Chrysler engines  D = Dodge engines  P = Plymouth engines