Generation III Internal Engine 1997-2006 LS1 | LS6
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do these specs seem right to everyone just making sure!

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Old 06-08-2009, 11:03 PM
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Default do these specs seem right to everyone just making sure!

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.



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i got this from smokemup.com...so im not copying anything from any one i did not write any of this.. here is the web site so everyone can save it it seems to have alot of great specs thanks everyone..


http://www.smokemup.com/tech/ls1.php
Old 06-08-2009, 11:09 PM
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Looks pretty good. I just glanced over it, but the cams look right.





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