741 cam specs.
#2
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Joined: Apr 2009
Posts: 272
Likes: 3
From: henderson,ky
Part Number: 168741 Grind Number: HR-236/359-2S-12 IG
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1996 Up CHEVROLET 8 HR-236/359-2S-12 IG camshaft - Ch. 454-502 V8 96-00
Engine Size Configuration
454-502 C.I. V
Valve Setting: Intake - .000 Exhaust - .000 Hot/Cold - HOT
Lift: Intake @Cam 359 @Valve 610 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 372 @Valve 632
Rocker Arm Ratio 1.70
Cam Timing: TAPPET @ .004
Lift: Opens Closes ADV Duration
Intake 38.0 BTDC 80.0 ABDC 298.0 °
Exhaust 86.0 BBDC 40.0 ATDC 306.0 °
Spring Requirements:
Part Number 99896
Loads Closed 150 LBS @ 1.900 or 1 29/32
Open 466 LBS @ 1.290
Recommended RPM range with matching components
Minimum RPM 2200
Maximum RPM 6000
Valve Float 6600
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake 11.0 BTDC 45.0 ABDC 107 236.0
Exhaust 59.0 BBDC 5.0 ATDC 117 244.0
Engine Identification:
Start Yr. End Yr. Make Cyl Description
1996 Up CHEVROLET 8 HR-236/359-2S-12 IG camshaft - Ch. 454-502 V8 96-00
Engine Size Configuration
454-502 C.I. V
Valve Setting: Intake - .000 Exhaust - .000 Hot/Cold - HOT
Lift: Intake @Cam 359 @Valve 610 All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam 372 @Valve 632
Rocker Arm Ratio 1.70
Cam Timing: TAPPET @ .004
Lift: Opens Closes ADV Duration
Intake 38.0 BTDC 80.0 ABDC 298.0 °
Exhaust 86.0 BBDC 40.0 ATDC 306.0 °
Spring Requirements:
Part Number 99896
Loads Closed 150 LBS @ 1.900 or 1 29/32
Open 466 LBS @ 1.290
Recommended RPM range with matching components
Minimum RPM 2200
Maximum RPM 6000
Valve Float 6600
Cam Timing: TAPPET @.050
Lift: Opens Closes Max Lift Duration
Intake 11.0 BTDC 45.0 ABDC 107 236.0
Exhaust 59.0 BBDC 5.0 ATDC 117 244.0
#4
Registered
Joined: Mar 2009
Posts: 1,758
Likes: 3
From: OFallon,Mo.
http://www.cranecams.com/product/car...detail&p=24282
Quoting:
Not trying to hijack, but does anyone have the same specs for the 731 cam? Specifically, the open/close events - I already know the .050 duration and lift.
Thanks!
Quoting:
Not trying to hijack, but does anyone have the same specs for the 731 cam? Specifically, the open/close events - I already know the .050 duration and lift.
Thanks!
Last edited by picklenjim; 04-12-2011 at 08:31 PM.



