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01-28-2009, 04:00 PM #1
- Join Date
- Apr 2006
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- Jeffersonville, Indiana
- Age
- 45
- Posts
- 796
Monterey Maroon Metalic- 2000 Z28
Factory Specs: Cams, Heads, Intakes
Found this info, thought I'd share.
Below is the URL for the site I found this info. I tried to make the copy and paste look decent.
http://www.smokemup.com/tech/ls1.php
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LS1 Info and Specifications
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 Ratio10.1:1 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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01-29-2009, 11:34 AM #2
very useful information, it puts the after market parts in perspective, thanx
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01-29-2009, 12:35 PM #3
- Join Date
- Jun 2008
- Location
- Orlando FL
- Age
- 34
- Posts
- 1,045
Red+White Top and Stripes- 2000TransAmConvertible A4
This is useful, deserves to be a sticky. Thanks a lot.
FAST 90/90, SLP Lid, Kooks JetHot Coated LT's, American Racing Y-Pipe+Magnaflow Cats, DHM Electric Cutout, Flowmaster American Thunder Catback, HP Tuners Software, 343 rwhp.
BMR Convertible Subframe Connectors, Hotchkis Strut Tower Brace, BMR Driveshaft Safety Loop.
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01-31-2009, 03:50 AM #4
- Join Date
- Oct 2006
- Location
- St. Clair Shores. Michigan
- Age
- 55
- Posts
- 1,602
Navy Blue Metallic- `98 Formula M6 HdTp
Usefull but alot of that is common knowledge to anyone who has been around these cars long enough.
BTW off the top of my head the 6.0 heads listed don't have a port volume but they are identical to LS6 heads except for the chambers. (210/75)
And the `98-00 F-body cam is incorrect it should be
198/209 .500/.500 119.5 LSA
More cams not listed
Corvette cam `97-99
199/207 .472/.479 117 LSA
Corvette cam `00
198/209 .500/.500 115.5 LSALast edited by 9T8W66; 01-31-2009 at 04:01 AM.
Craig
Semi Retired Street Racer
2012 Lava Red Mustang GT Coupe Brembo/3.73's
Build Date 3/17/11, Last Lava Red GT
Gone but not forgoten
NBM `98 Formula M6 HdTp
1 of 1 Build Date 3/12/98
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02-02-2009, 05:33 AM #5
- Join Date
- Apr 2006
- Location
- Jeffersonville, Indiana
- Age
- 45
- Posts
- 796
Monterey Maroon Metalic- 2000 Z28
^Good call on the errors. They might fix their page if you emailed them about the discrepancy. We still get lots of new members every day so this thread is oriented more towards them and those of us who just want to know what GM sold to us.
I wouldn't have thought that the early LS1 F Body cam had more lift than the '97-'99 Y Body.
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