Page 21 of High Performance Cams & Gears Catalog by Andrews High Performance Cams & Gears
21
Duration
Valve
Lift @
Part#
Grind Timing(*)
.053
.020
Lift
TDC
Springs
Application Comments
Duration
Valve
Lift @
Part#
Grind Timing(*) .053
.020
Lift
TDC
Springs
Application Comments
Duration
Valve
Lift @
Part#
Grind Timing(*) .053
.020
Lift
TDC
Springs
Application Comments
291581 EV81
32/60
272
306
.610
.262
HI-LIFT
For 80-88 inches, 10.5+ C.R., head work. Broad
66/30
276
310
.610
.244
160 LBS.
nose, quick ramps for wide torque band. 6500+RPM.
291584 EV84
32/64
276
310
.640
.269
HI-LIFT
Quick ramps, broad nose type design means more
70/30
280
314
.640
.246
160 LBS.
power for 90-100 inch motors. 6500+ RPM.
291588 EV88
34/70
284
318
.680
.288
HI-LIFT
Same as above but more stuff for 100+ inch motors.
76/32
288
322
.680
.264
160 LBS.
Expert installation knowledge required. 6500+RPM.
212823 ('70) S82
32/60
272
306
.590
.237
HI-LIFT
74-84 inch Shovels with 10.5+ C.R. New design
212825 ('78)
66/30
276
310
.590
.220
160 LBS.
technique for wide, strong power band. 6500+RPM.
212834 ('70) S84
32/64
276
310
.630
.241
HI-LIFT
Shovels: 84-96 inches, 10.5+ pistons and head flow
212836 ('78)
70/30
280
314
.630
.223
160 LBS.
work for max HP in these larger engines. 6500+RPM.
212855 ('70) S86
34/70
284
318
.660
.254
HI-LIFT
100+ inch Shovels will benefit most from this quick
212857 ('78)
76/32
288
322
.660
.235
160 LBS.
ramp design. Broad power band to 6500+RPM.
298880 ('86) V80
32/60
272
306
.600
.264
HI-LIFT
.600 lift for Sportsters with 10.5+ C.R. and head flow
298885 ('91) N80
66/30
276
310
.600
.244
160 LBS.
work will pull strong to 6500+ RPM. 61-77 inches.
298830 ('86) V83
32/64
276
310
.630
.267
HI-LIFT
For 80 to 96 inch motors with head work and 10.5+
298835 ('91) N83
70/30
280
314
.630
.248
160 LBS.
compression. Quick ramps for 6500+RPM.
298870 ('86) V87
34/70
284
318
.670
.283
HI-LIFT
Still more stuff for 100+ cubic inches. Quick ramp,
298875 ('91) N87
76/32
288
322
.670
.269
160 LBS.
broad tip design will pull strong to 6500+RPM.
For big engines (96+ cubic inches) or highly modified smaller
motors and running compression ratios of 10.5 or higher,
Andrews Products has high lift cams available which will put
more usable power at the rear wheel than anything else going.
These grinds are specially designed for highly modified
motors.
EVOLUTION 80 CAMS (Rocker ratio 1.63)
(*) Timing .053 cam lift
EVOLUTION SPORTSTER CAMS (Rocker ratio 1.63)
(*) Timing .053 cam lift
SHOVELHEAD CAMS (Rocker ratio 1.43)
(*) Timing .053 cam lift
Installation requires expert knowledge and machining capability!
CAMS FOR DRAGS AND HIGH PERFORMANCE
www.andrewsproducts.com
431 Kingston Court
Mount Prospect, IL 60056
Phone: 847-759-0190
Fax: 847-759-0848
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