|
| LS1 Camshaft Specifications |
1998 - 2000 Fbody
202/210 int/exh @ 0.05" duration
0.496" / 0.496" int/exh lift
116 LSA
|
2001 - 2002 Fbody
197/207 int/exh @ 0.05" duration
0.467" / 0.479" int/exh lift
116 LSA
|
2001 LS6 cam
207/217 int/exh @ 0.05" duration
0.525" / 0.525" int/exh lift
116 LSA
|
2002+ LS6 cam
204/218 int/exh @ 0.05" duration
0.551" / 0.547" int/exh lift
117 LSA
|
GMPP Hot Cam
218/227 int/exh @ 0.05" duration
0.525" / 0.525" int/exh lift
112 LSA
|
GMPP ASA Cam
226/236 int/exh @ 0.05" duration
0.525" / 0.525" int/exh lift
110 LSA
|
6.0 LQ9
207/196 int/exh @ 0.05" duration
0.479" / 0.467" int/exh lift
116 LSA
|
5.3 LM7
190/191 int/exh @ 0.05" duration
0.466" / 0.457" int/exh lift
114 LSA
|
| Stock 5.3 Heads |
| Chamber |
61.15 cc |
0.100 |
0.200 |
0.300 |
0.400 |
0.500 |
0.550 |
0.600 |
| Intake |
200 cc |
63 |
128 |
179 |
210 |
218 |
221 |
226 |
| Exhaust |
70 cc |
54 |
93 |
121 |
145 |
163 |
168 |
174 |
| Valve Diameter Intake |
1.89" |
| Valve Diameter Exhaust |
1.55" |
| Part Number |
12559852
12561706
|
| Stock 6.0 Heads |
| Chamber |
71.0 cc |
0.100 |
0.200 |
0.300 |
0.400 |
0.500 |
0.550 |
0.600 |
| Intake |
??? |
66 |
142 |
196 |
228 |
236 |
238 |
240 |
| Exhaust |
??? |
59 |
104 |
137 |
155 |
167 |
173 |
177 |
| Valve Diameter Intake |
2.00" |
| Valve Diameter Exhaust |
1.55" |
| Stock LS1 Heads |
| Chamber |
66.67 cc |
0.100 |
0.200 |
0.300 |
0.400 |
0.500 |
0.550 |
0.600 |
| Intake |
200 cc |
67 |
122 |
178 |
215 |
219 |
223 |
227 |
| Exhaust |
70 cc |
52 |
97 |
133 |
156 |
170 |
176 |
180 |
| Valve Diameter Intake |
2.00" |
| Valve Diameter Exhaust |
1.55" |
| Part Number |
12559853 (1997-98)
12559853 (1999-00)
12564241 (2001-03)
|
| Stock LS6 Heads |
| Chamber |
64.45 cc |
0.100 |
0.200 |
0.300 |
0.400 |
0.500 |
0.550 |
0.600 |
| Intake |
210 cc |
62 |
126 |
184 |
224 |
251 |
256 |
257 |
| Exhaust |
75 cc |
57 |
108 |
143 |
163 |
176 |
180 |
183 |
| Valve Diameter Intake |
2.00" |
| Valve Diameter Exhaust |
1.55" |
| Part Number |
12564243 (2001 +)
|
LS6 valves are 0.6mm or 0.023622" longer, hollow stem intake, and hollow stem sodium filled exhaust valves.
LS6: intake = 73 grams, exhaust = 65 grams
LS1: intake = 101 grams, exhaust = 94 grams.
|
| Intake Manifolds |
| Part # | Engine | Plenum Volume | Runner Volume | Runner Length |
| 12556333 | 1997-2000 LS1 | 5.06 L | 0.536 L | 262 mm |
| 12561182 | 2001-2002 LS1/6 | 5.19 L | 0.541 L | 262 mm |
| 12573572 | 2002+ LS1/6 | 5.19 L | 0.541 L | 262 mm |
| ?? | LQ4 | 4.0L | 0.541 L | 263 mm |
Throttle Body Information:
A 98-99 TB has a brown spring on it and a smaller throttle cam, GM Part# 17113390.
A 2000-2002 TB has a blue spring on it and it has the biggest throttle cam, GM Part# 17113647.
A Truck TB has a orange spring on it and a cam that is close to the 98-99 F-body ones but it's not an exact fit.
In short when looking
for swapping throttle bodies from one car to another check the color of the spring.
| General Specifications |
| Displacement |
5.7L (5665cc, 346ci) |
Gross Horsepower |
310 @ 5200 RPM, 320 @ 5800 RPM |
| Bore/Stroke |
3.90/3.62 |
Gross Torque |
340 @ 4000 RPM, 330 @ 4400 RPM |
Compression Ratio
|
10.1:1 |
Maximum RPM
|
6200 |
Firing Order
|
1-8-7-2-6-5-4-3 |
Out of crate weight.
|
Approximately 390 lbs. |
Spark Plug
|
ACDelco 12
ACDelco 41-985 |
Spark Plug Gap
|
.060”, 1.524 mm |
Block Specifications |
Block Material
|
319-T5 Aluminum |
Block Description
|
90° V, Deep skirt with cast-in iron sleeves. |
Bore Spacing
|
4.40” |
Deck Height
|
9.24” |
Main Bearings
|
5 |
Thurst Bearing
|
Center Bulkhead |
Bearing Caps
|
4 vertical bolts, 2 cross bolts |
|
|
Cylinder Head Specifications |
Material
|
356-T6 Aluminum |
Description
|
Cross flow, wedge combustion chamber. |
Ports
|
Symmetrical, intake and exhaust |
Chamber Volume
|
67.3 cc |
Head Gasket
|
0.052” compressed |
|
|
Crankshaft Specifications |
Material
|
Cast Nodular Iron |
Features
|
Undercut and rolled fillets. |
Crank Pin Diameter
|
2.10” |
Main Bearing Diameter
|
2.56” |
Piston Specifications |
Material
|
Cast Aluminum |
Description
|
Strutless, flat top. |
Compression Ht.
|
1.34” |
Weight
|
15.5 oz. |
Induction System |
Manifold
|
One-piece composite. |
Throttle Body
|
75.0 mm bore dia. |
|
