Heads:stage 3 (this was there advertised stage when I bought them? it was said by my builder they are ported but he would maybe say just a tad above 2) not wildly ported, but a set of ported B Heads off of a 97 cobra. They retain stock valve size. a set of comp beehive valve spring and comp steel retainers as well as locks
Here is the specs on the cams.
Part Number/Work Order Number E-54622
Engine Application 4.6 FORD 4 V
Grind Number SPECIAL
ADVERTISED CAMSHAFT SPECIFICATIONS:
INTAKE: Duration: 258º Lift: .482 Clearance Hot: .000
EXHAUST: Duration: 262º Lift: .482 Clearance Hot: .000
The specifications listed above are based on a rocker arm ratio of 1.80 IN
1.80 EX
The information below is for degreeing cam only. Correct only at .050" tappet lift.
INTAKE Opens: -4.0 ATDC
Closes: 36.0 ABDC
EXHAUST Opens: 46.0 BBDC
Closes: -10.0 BTDC
LOBE SEPERATION 114º
Duration at .050" Intake: 212
Exhaust: 216
LOBE LIFT Intake: .268
Exhaust: .268
Will sale Heads and Cams together They are installed in the heads now and ready to bolt on: $1400.00
A video at idle:
Here is the specs on the cams.
Part Number/Work Order Number E-54622
Engine Application 4.6 FORD 4 V
Grind Number SPECIAL
ADVERTISED CAMSHAFT SPECIFICATIONS:
INTAKE: Duration: 258º Lift: .482 Clearance Hot: .000
EXHAUST: Duration: 262º Lift: .482 Clearance Hot: .000
The specifications listed above are based on a rocker arm ratio of 1.80 IN
1.80 EX
The information below is for degreeing cam only. Correct only at .050" tappet lift.
INTAKE Opens: -4.0 ATDC
Closes: 36.0 ABDC
EXHAUST Opens: 46.0 BBDC
Closes: -10.0 BTDC
LOBE SEPERATION 114º
Duration at .050" Intake: 212
Exhaust: 216
LOBE LIFT Intake: .268
Exhaust: .268
Will sale Heads and Cams together They are installed in the heads now and ready to bolt on: $1400.00
A video at idle:
