1968 Road Runner '383' vs. 1968 Chevelle 'SS 396'

396 Camshafts

396/325 HP 'L-35' {#3874872}
Type .................... 'Hydraulic'
Lift....................... .398"/.430"
Duration................ 244*/286"
Duration @ .050" ... 192*/203*
Overlap................. 38*
LSA ...................... 110.5*

Valve Springs
Valve Closed ......... #90 lbs.
Valve Open .......... #220 lbs. @ 1.46"


396/350 HP 'L-34' {#3883986}
Type..................... 'Hydraulic'
Lift....................... .461"/.480"
Duration ............... 268*/274*
Duration @ .050" ... 214*/218*
Overlap ................ 78*
LSA ..................... 115*

Valve Springs
Valve Closed ........ #100 lbs.
Valve Open .......... #315 lbs. @ 1.38"


396/375 HP 'L-78' {#3904362}
Type ................... 'Mechanical'
Lift ..................... .520"/.520"
Duration .............. 316*/302*
Duration @ .050" .. 242*/242*
Overlap ................ 80*
LSA ..................... 112*

Valve Springs
Valve Closed ........ #100 lbs.
Valve Open .......... #315 lbs. @ 1.38"