LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

GM 847 Specs

Old Apr 6, 2008 | 07:14 PM
  #1  
PWR SHFT's Avatar
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Posts: 421
From: South Riding, VA
GM 847 Specs

Does anyone have the specs on this cam? I am looking for the open and close valve events and lobe lift usualy listed on the cam card.

Thanks.
Old Apr 6, 2008 | 09:03 PM
  #2  
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From: Bryant, Arkansas
Duration 234/ 242
Lift with 1.5 rockers .539/.558...
with 1.6 Rockers .575/.595..
Old Apr 6, 2008 | 09:12 PM
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0.006 0.050
Intake Duration 296 234
Exhaust Duration 304 242
LSA 112 112
Intake Centerline 111 111

Intake Valve opens - IVO 37 6 BTDC (- indicates ATDC)
Intake Valve closes - IVC 79 48 ABDC
Exhaust Valve Opens - EVO 85 54 BBDC
Exhaust Valve Closes - EVC 39 8 ATDC (- indicates BTDC)
Exhaust Centerline - ECL 113 113
Overlap 76 14 degrees
Old Apr 6, 2008 | 10:11 PM
  #4  
PWR SHFT's Avatar
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Posts: 421
From: South Riding, VA
Originally Posted by Zigroid
0.006 0.050
Intake Duration 296 234
Exhaust Duration 304 242
LSA 112 112
Intake Centerline 111 111

Intake Valve opens - IVO 37 6 BTDC (- indicates ATDC)
Intake Valve closes - IVC 79 48 ABDC
Exhaust Valve Opens - EVO 85 54 BBDC
Exhaust Valve Closes - EVC 39 8 ATDC (- indicates BTDC)
Exhaust Centerline - ECL 113 113
Overlap 76 14 degrees
Thanks! EXACTLY what I was looking for.
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