CAMS FOR SHOVEL, PAN, KNUCKLE
Whether you want a better street cam for a stock motor, a big
lift cam for a dragster or something in between, Andrews Products can supply it.
All of our cams for these engines are computer designed and precision ground
from alloy steel billets. Rocker arm ratios are:
•Shovel: 1.42
•Pan: 1.50
•Knuckle: 1.00
| Part # | Year
|
Grind
|
Timing
|
Duration |
Valve Lift |
Lift@ TDC |
Application | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STOCK | (Front Cyl) | H | -06/46 44/20 |
220 244 |
256 282 |
.390 .390 |
.412 .412 |
.051 .176 |
Stock H/D front cylinder timing listed for comparison. Later stock "S" grind cams have similar specs. | |||||||||
| STOCK | (Rear Cyl) | H | 14/38 44/20 |
232 244 |
274 282 |
.390 .390 |
.412 .412 |
.129 .176 |
Stock H/D rear cylinder timing listed for comparison. Later stock "S" grind cams have similar specs. | |||||||||
| 212011 212020 212030 |
(48-69) (70-77) (78-84) |
J | 21/41 41/21 |
242 242 |
292 292 |
.405 .405 |
.425 .425 |
.154 .154 |
Mild street: Pans and shovels, smooth idle, more power through RPM range. Bolts in with no head work. | |||||||||
| 212270 212280 212290 |
(48-69) (70-77) (78-84) |
A | 21/43 43/21 |
244 244 |
296 296 |
.450 .450 |
.470 .470 |
.156 .156 |
Street/drags: Bolts into Shovels (except 1980-1981) with no head work. More mid-range and high end power. Idle smoothness unaffected. | |||||||||
| 212310 212320 212325 |
(48-69) (70-77) (78-84) |
AB | 21/43 50/26 |
244 256 |
286 300 |
.450 .450 |
.470 .470 |
.156 .170 |
"A" intake and a long duration exhaust for cooler running and more high end power. Bolt-in street cam (except for 1980-1981). OK for hydraulic lifters | |||||||||
| 212360 212370 212380 |
(48-69) (70-77) (78-84) |
B | 26/50 50/26 |
256 256 |
298 298 |
.485 .485 |
.507 .507 |
.182 .182 |
Street/drags: Much more mid-range and high end power. Idle smoothness unaffected. THE cam for modified 74/80 inchers and small strokers. Spring spacing required. | |||||||||
| 212420 212430 212440 |
(48-69) (70-77) (78-84) |
BH | 24/52 52/24 |
256 256 |
302 302 |
.450 .450 |
.470 .470 |
.156 .156 |
Hydraulic version of a "B" cam. Usually a bolt-in but spring spacing may be required on 1980-1981 shovels. | |||||||||
| 212510 212520 212530 |
(48-69) (70-77) (78-84) |
6 | 32/56 32/56 |
268 268 |
325 325 |
.510 .510 |
.535 .535 |
.190 .190 |
Hotter version of B grind. Great street cam especially for 84'88 inch strokers: maximum torque available from 2500-6500 RPM | |||||||||
| 212600 212610 212620 |
(48-69) (70-77) (78-84) |
C | 37/61 61/37 |
278 278 |
318 318 |
.525 .525 |
.550 .550 |
.234 .234 |
Best production cam made for big street engines. Strokers from 84-96 inches will really turn on this cam. Broad torque range pulls from 2000-7000 RPM. | |||||||||
J, A, AB, B, BH, 6, C $173.00
| Part # | Year
|
Grind
|
Timing
|
Duration |
Valve Lift |
Lift@ TDC |
Application | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 212130 212140 212150 |
(48-69) (70-77) (78-84) |
1 | 16/36 36/16 |
232 232 |
288 288 |
.427 .427 |
.450 .450 |
.098 .098 |
This is the low compression piston version of an "A" grind cam for 74-80 engines with 7.5 to 1 pistons | |||||||||
| 212330 212340 212350 |
(48-69) (70-77) (78-84) |
2 | 15/35 35/15 |
230 230 |
288 288 |
.490 .490 |
.512 .512 |
.098 .098 |
Low compression piston version of a "B" grind cam. More power through RPM range for engines with 7.5 pistons | |||||||||
| 212630 212640 212650 |
(48-69) (70-77) (78-84) |
3 | 23/43 23/43 |
246 246 |
304 304 |
.514 .514 |
.540 .540 |
.125 .125 |
High lift, short duration cam for motors with 84+ inches. More power for strokers with 7.5 compression ratios. | |||||||||
1, 2, 3 $173.00
| Part # | Year
|
Grind
|
Timing
|
Duration |
Valve Lift |
Lift@ TDC |
Application | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 212740 212750 212760 |
(66-69) (70-77) (74-84) |
M | 28/56 56/28 |
264 264 |
309 309 |
.590 .590 |
.210 .210 |
Street/Drags: 88+ inch motors, maximum mid-range torque cam. 3000/6500 RPM. OK for low compression pistons on street. Andrews springs and collars make installation easy. | ||||||||
| 212850 212860 212870 |
(66-69) (70-77) (74-84) |
9 | 32/64 64/32 |
276 276 |
320 320 |
.530 .530 |
.222 .222 |
Drags: Broad tip design for maximum mid-range power for strokers from 88 inches and larger. Requires Andrews springs and collars for head set up and installation. | ||||||||
| 212890 212900 212910 |
(66-69) (70-77) (74-84) |
10 | 34/70 70/34 |
284 284 |
344 344 |
.580 .580 |
.230 .230 |
Maximum output dragster cam for BIG motors from 92 inches and up. This cam is for best torque up to 6500 RPM. Requires Andrews springs and collars. | ||||||||
M, 9, 10 $242.00
| Part # | Year
|
Grind
|
Timing
|
Duration |
Valve |
Lift@ TDC |
Application | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 212965 | (36-47) | N | 14/42 42/14 |
236 236 |
270 270 |
.355 .355 |
.097 .097 |
Stock replacement Knuckle cam. For stock motors and restorations, this is the cam to use. | ||||||||
| 212970 | (36-47) | S | 27/55 55/27 |
262 262 |
308 308 |
.370 .370 |
.130 .130 |
Bolt-in Knuckle performance cam for stock motors, smooth idle, strong pull to 6000 RPM. This cam is the Knuckle equivalent of a "B" cam in a shovel motor. | ||||||||
| 212980 | (36-47) | K | 35/63 63/36 |
278 278 |
318 318 |
.367 .367 |
.156 .156 |
Bolt-in high performance Knuckle. Works best with 9.5 or higher compression pistons and/or stroker flywheels. Broad power band, 3000/7000 RPM. | ||||||||
| 212960 | (48-51) | 61 | -02/26 26/-02 |
204 204 |
244 244 |
.345 .345 |
.072 .072 |
Replacement cam for stock 61 cubic inch Pan head engine. With an unusual piston and rod setup, "61" engines need this special short duration cam to run properly. | ||||||||
N, S, K, 61 $174.50