98-3

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98-3

                         Recommended Class:       Junior / Stock / Super Stock
                Target (Max) Horsepower:         6000 / 6300 / 7200
Spring Pressure (Intake / Exhaust):   16.5lbs / 17.5lbs (For Jr or Stock)
Spring Pressure (Intake / Exhaust):   17.5lbs / 18lbs (For Super Stock)
            Coil Bind (Intake / Exhaust):        .380   / .360 (For Jr or Stock)
            Coil Bind (Intake / Exhaust):        .360   / .350 (For Super Stock)

Description:
The 98-3 is a good all-around cam for the stock and super stock classes. It also works well on the road courses. This cam is easy on the valve train and the tappet bores.

Profile reading as from our test block:

Intake

Exhaust

.020.....	15 BTDC	.020.....	52.5BBDC
.050.....	5 BTDC	.050.....	37.5 BBDC
.100.....	11.5 ATDC	.100.....	20 BBDC
.150.....	30 ATDC	.150.....	1 BBDC
.200.....	55.5 ATDC	.200.....	24 ABDC
MAX......	.2325 in.	MAX......	.2325 in.
.200.....	35 BBDC	.200.....	66 BTDC
.150.....	8.5 BBDC	.150.....	41.5 BTDC
.100.....	11.5 ABDC	.100.....	22.5 BTDC
.050.....	30 ABDC	.050.....	5 BTDC
.020.....	47 ABDC	.020.....	11 ATDC
In Open	20 BTDC	Ex Open	60 BBDC
In Close	76 BTDC	Ex Close	20 ATDC
Apr. Lash	.005 in.	Apr Lash	.005 in.
In C/L	101 ATDC	Ex C/L	111 BTDC
Spin Start	51 ABDC	Spin Dur	34 DEG.
Spin Stop	85 ABDC	Spin Lift	.015 in.