<TECH ONLY> Stock cam specs
#1
<TECH ONLY> Stock cam specs
This is a constant question, and one that is very hard to answer (since I don't know ).
So please post up what you *KNOW* to be true. Please guys, no guess work...
4.8L cam?
5.3L cam?
5.3L HO cam?
5.7L (LS1) cam?
6.0L cam (same cam between both LQ9 and LQ4)?
LS6 cam?
LS2 cam?
Thanks
So please post up what you *KNOW* to be true. Please guys, no guess work...
4.8L cam?
5.3L cam?
5.3L HO cam?
5.7L (LS1) cam?
6.0L cam (same cam between both LQ9 and LQ4)?
LS6 cam?
LS2 cam?
Thanks
#2
TECH Resident
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LM7 Left - L33 Right
Both are 2005
Compression Ratio
9.49:1 9.9:1
Camshaft Lobe Lift - Exhaust
6.96 mm 7.2 mm
0.274 in 0.283 in
Camshaft Lobe Lift - Intake
6.82 mm 7.2 mm
0.268 in 0.283 in
Valves - Valve Lift - Intake Valves
11.58 mm 12.24 mm
0.456 in 0.482 in
Valves - Valve Lift - Exhaust Valves
11.82 mm 12.24 mm
0.465 in 0.482 in
114LSA 2000 and up
115.5 LSA 1999
Both are 2005
Compression Ratio
9.49:1 9.9:1
Camshaft Lobe Lift - Exhaust
6.96 mm 7.2 mm
0.274 in 0.283 in
Camshaft Lobe Lift - Intake
6.82 mm 7.2 mm
0.268 in 0.283 in
Valves - Valve Lift - Intake Valves
11.58 mm 12.24 mm
0.456 in 0.482 in
Valves - Valve Lift - Exhaust Valves
11.82 mm 12.24 mm
0.465 in 0.482 in
114LSA 2000 and up
115.5 LSA 1999
#4
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Corvette LS1
97-98 12554710 199/207 .472/.479 117
98-99 12560964 199/207 .472/.479 117
2000 12560968 198/209 .500/.500 115.5
01-03 12561721 198/207 .467/.479 116
Corvette LS6
2001 12560950 204/211 .525/.525 116 385hp
02-04 12565308 204/218 .555/.551 117.5 405hp
Camaro/Firebird
98 12557812 198/209 .500/.500 119.5
99-00 12560965 198/209 .500/.500 119.5
01-02 12561721 196/207 .467/.479 116
Trucks and SUV with Vortec engine
LR4 and LM7
99 12560966 191/190 .457/.466 115.5
00-04 12560967 191/190 .457/.466 114
the 03-04 LM7 used the 12560967 camshaft
LQ4
99-00 12560967 191/190 .457/.466 114
01-04 12561721 196/207 .467/.479 116
01-04 LQ4 cam is same as Camaro, Corvette LS1 and LQ9 cam
LQ9
02-03 12561721 196/207 .467/.470 116
GM Performance Parts
Hot 12480033 219/228 .525/.525 112
ASA 12480110 226/236 .525/.525 110
97-98 12554710 199/207 .472/.479 117
98-99 12560964 199/207 .472/.479 117
2000 12560968 198/209 .500/.500 115.5
01-03 12561721 198/207 .467/.479 116
Corvette LS6
2001 12560950 204/211 .525/.525 116 385hp
02-04 12565308 204/218 .555/.551 117.5 405hp
Camaro/Firebird
98 12557812 198/209 .500/.500 119.5
99-00 12560965 198/209 .500/.500 119.5
01-02 12561721 196/207 .467/.479 116
Trucks and SUV with Vortec engine
LR4 and LM7
99 12560966 191/190 .457/.466 115.5
00-04 12560967 191/190 .457/.466 114
the 03-04 LM7 used the 12560967 camshaft
LQ4
99-00 12560967 191/190 .457/.466 114
01-04 12561721 196/207 .467/.479 116
01-04 LQ4 cam is same as Camaro, Corvette LS1 and LQ9 cam
LQ9
02-03 12561721 196/207 .467/.470 116
GM Performance Parts
Hot 12480033 219/228 .525/.525 112
ASA 12480110 226/236 .525/.525 110
#7
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Considering its the same PN id say its a typo...
looked up the PN..
196/201 .467/479 116
haha conflicting info..
12561721 LQ9: 2002-2006 I: 196 I: 467 116 Stock cam for 2002-2006 LQ9 and 2001-2004 LS1 engines. LS1: 2001-2004 E: 201 E: 479
'99-'00 LQ4, 191/190 .457/.466 114
PN 12560967
'01-'06 LQ4, 196/207 .467/.479 116
PN 12561721
GMPP Hot Cam 219/228 .525/.525 112
PN 12480033
looked up the PN..
196/201 .467/479 116
haha conflicting info..
12561721 LQ9: 2002-2006 I: 196 I: 467 116 Stock cam for 2002-2006 LQ9 and 2001-2004 LS1 engines. LS1: 2001-2004 E: 201 E: 479
'99-'00 LQ4, 191/190 .457/.466 114
PN 12560967
'01-'06 LQ4, 196/207 .467/.479 116
PN 12561721
GMPP Hot Cam 219/228 .525/.525 112
PN 12480033
Last edited by nonnieselman; 03-10-2009 at 06:07 PM.
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