AFM 6.0 cam in LMG with dod delete?
11-04-2014, 09:08 PM
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AFM 6.0 cam in LMG with dod delete?
Was throwing a motor together with some extra stuff lying around. Have an LMG 5.3 with DOD delete and afm delete and 317 heads. Have a brand new cam out of a gen 4 6.0. Started doing research and reading that the cam lobes are different on the afm cylinders. Is this a bad cam to use on a afm dod delete setup and cause running issues on the afm cylinders?
11-04-2014, 10:41 PM
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http://www.ls2.com/forums/showthread...al-Information
A from GMPP: AFM cylinders have slightly different grind ( a bit taller) to accomodate additional compliance of AFM parts --intent is lift event equivalence.
1.70 Exhaust Rocker Ratio
1.69 Intake Rocker Ratio
Lift:
@Cam @Valve
Exhaust: 0.282 0.479
Intake: 0.279 0.472
Cam Timing@0.004" Tappet Lift:
Open Close Adv. Duration
Exhaust: 71 BBDC 33 ATDC 284
Intake: 11 BTDC 91 ABDC 282
Cam Timing@0.050" Tappet Lift:
Open Close Duration
Exhaust: 40 BBDC 12 BTDC 208
Intake: 17 ATDC 37 ABDC 200
200/208 0.472 0.479
Further Cam Info just received:
* Camshaft Lobe Lift - Exhaust - Non Active Fuel Management Cylinders
7.17 mm
0.282 in
* Camshaft Lobe Lift - Exhaust - Active Fuel Management Cylinders
7.3 mm
0.287 in
* Camshaft Lobe Lift - Intake - Non Active Fuel Management Cylinders
7.08 mm
0.279 in
* Camshaft Lobe Lift - Intake - Active Fuel Management Cylinders
7.2 mm
0.283 in
* Valve Lift - Exhaust - Non Active Fuel Management
12.19 mm
0.480 in
* Valve Lift - Exhaust - Active Fuel Management
12.41 mm
0.489 in
* Valve Lift - Intake - Non Active Fuel Management
12.04 mm
0.474 in
* Valve Lift - Intake - Active Fuel Management
12.24 mm
0.488 in
A from GMPP: AFM cylinders have slightly different grind ( a bit taller) to accomodate additional compliance of AFM parts --intent is lift event equivalence.
1.70 Exhaust Rocker Ratio
1.69 Intake Rocker Ratio
Lift:
@Cam @Valve
Exhaust: 0.282 0.479
Intake: 0.279 0.472
Cam Timing@0.004" Tappet Lift:
Open Close Adv. Duration
Exhaust: 71 BBDC 33 ATDC 284
Intake: 11 BTDC 91 ABDC 282
Cam Timing@0.050" Tappet Lift:
Open Close Duration
Exhaust: 40 BBDC 12 BTDC 208
Intake: 17 ATDC 37 ABDC 200
200/208 0.472 0.479
Further Cam Info just received:
* Camshaft Lobe Lift - Exhaust - Non Active Fuel Management Cylinders
7.17 mm
0.282 in
* Camshaft Lobe Lift - Exhaust - Active Fuel Management Cylinders
7.3 mm
0.287 in
* Camshaft Lobe Lift - Intake - Non Active Fuel Management Cylinders
7.08 mm
0.279 in
* Camshaft Lobe Lift - Intake - Active Fuel Management Cylinders
7.2 mm
0.283 in
* Valve Lift - Exhaust - Non Active Fuel Management
12.19 mm
0.480 in
* Valve Lift - Exhaust - Active Fuel Management
12.41 mm
0.489 in
* Valve Lift - Intake - Non Active Fuel Management
12.04 mm
0.474 in
* Valve Lift - Intake - Active Fuel Management
12.24 mm
0.488 in
Last edited by abrown0788; 11-04-2014 at 10:46 PM.
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