New Comp Truck Cams?
04-01-2007, 11:23 PM
#23
Tribe Shaman
iTrader: (4)
Join Date: May 2004
Location: Texas
Posts: 3,050
Likes: 0
Received 0 Likes
on
0 Posts
not too sure if any one is selling them.
the first set of cams for the gen 3 offer more.
found only one on summits site.
http://store.summitracing.com/partde...1&autoview=sku
this cam looks like the 02 ls6 but on an lsa of 115 where the 02 is 117.5
the first set of cams for the gen 3 offer more.
found only one on summits site.
http://store.summitracing.com/partde...1&autoview=sku
this cam looks like the 02 ls6 but on an lsa of 115 where the 02 is 117.5
04-02-2007, 07:48 PM
#24
On The Tree
Join Date: Sep 2006
Location: PG BC CDN
Posts: 152
Likes: 0
Received 0 Likes
on
0 Posts
I got this recomend lately from COMP CAMS. maybe I should tell them 5.3, stock heads and intake, 2100kg, 26" tires
Cam Spec Card Inquiry
PART NO. 54-450-11
01 INTAKE MASTER 3750R
02 EXHAUST MASTER 3751R
03 ENGINE GM G3 XFI 260 HR15
04 GRIND NUMBER GM G3 XFI 260 HR15
INT EXH
05 HYDRAULIC Y/N YES 14 DUR @.050 206 212
INTAKE EXHAUST 15 LOBE LIFT .3020 .3060
06 VALVE ADJUSTMENT HYD HYD 16 ROCKER RATIO 1.70 1.70
07 MAX GROSS VALVE LIFT .513 .520
08 DUR @ .006 TAPPET LIFT 260 266 17 LOBE SEPARATI 115.0
18 ADVANCE 4
09 VALVE TIMING OPEN CLOSE 19 VALVE SPRINGS 26915-16
@ .050 10 INT 8- 34
11 EXH 45 13- DATE SETUP 07/13/2005
12 THESE SPECS ARE FOR CAM(S) INSTALLED
@ 111.0 INTAKE CENTERLINE
Comp Cams wrote:
> <http://www.CompCams.com>
>
> CAMSHAFT RECOMMENDATION REQUEST CONFIRMATION: 2/21/2007 / 1:10:23 AM
>
> _____
> VEHICLE INFORMATION
> Make: GMC Model: 2wd rg cab short box Year: 1999
> Must Pass Emission Standards?
> Vehicle Weight: 4000 Axle Ratio: 3.42
> Transmission Type: automatic Tire Height: 28 inch
> Torque Converter Stall Speed: 2800
>
> _____
>
> COMPUTER CONTROLLED VEHICLES
> Vehicle Computer Type? Chip
> Speed Density Sensor: Dont Know
> Mass Air Sensor: Yes
>
> _____
>
> ENGINE INFORMATION
> Engine Block Type: GM
> Engine Size: 5.3 How Many Cylinders: 8
> Bore: 3.779 Stroke: 3.662 Compression Ratio: 9.49
> Piston Type: eutectic cast al Connecting Rod Type: hot-forged
> steel alloy
> Intake Manifold Type: stock truck
> Cylinder Head(s) Year: 1999 LM7 Head Part Number: 12559862
>
> Head Runner Volume: 200/70 Ported Heads: no
> Intake Valve Size: 2.00 Exhaust Valve Size:
> Rocker Arm Type: Stock Rocker Arm Ratio: 1.7
> Exhaust Header(s): No
> Exhaust Type:
> TunedSingle
> Exhaust Pipe Size: dual 2.5"
> RPM Range: 3000 to 6500
> Nitrous Oxide: No
>
> _____
>
> FUEL DELIVERY
> Fuel Type: gasoline Fuel Octane Rating: 91
>
> Carburetor: No Carburetor Size: polished throttle body
>
> Port Injection: Yes
> Electronic Fuel Injection: Yes Oversize Injectors: No
>
> _____
>
> AIR DELIVERY
> Air Filter: Performance
> Ram Air: No
> Turbocharger: No Supercharger: No
>
> _____
>
> APPLICATION SPECIFICS
>
> How Will This Engine Be Used?
> Street Strip
> Class: na
>
> _____
>
> What Type Of Cam Do You Want?
> Hydraulic Roller
>
> _____
>
> What Type Camshaft Are You Currently Using?
> Brand: stock
> Part Number: 12560966
> Specs:
>
> _____
>
> Considering The Current Performance Of Your Vehicle, Do You Want:
> More Torque? No
> More RPM? Yes
> Is Idling Speed Important? No
>
> _____
>
> User Comments:
> Engine is stock LM7. Cast iron manifolds 2.5" outlets into 3.5"x18"
> collector looking for cam,valve springs,pushrods
>
Cam Spec Card Inquiry
PART NO. 54-450-11
01 INTAKE MASTER 3750R
02 EXHAUST MASTER 3751R
03 ENGINE GM G3 XFI 260 HR15
04 GRIND NUMBER GM G3 XFI 260 HR15
INT EXH
05 HYDRAULIC Y/N YES 14 DUR @.050 206 212
INTAKE EXHAUST 15 LOBE LIFT .3020 .3060
06 VALVE ADJUSTMENT HYD HYD 16 ROCKER RATIO 1.70 1.70
07 MAX GROSS VALVE LIFT .513 .520
08 DUR @ .006 TAPPET LIFT 260 266 17 LOBE SEPARATI 115.0
18 ADVANCE 4
09 VALVE TIMING OPEN CLOSE 19 VALVE SPRINGS 26915-16
@ .050 10 INT 8- 34
11 EXH 45 13- DATE SETUP 07/13/2005
12 THESE SPECS ARE FOR CAM(S) INSTALLED
@ 111.0 INTAKE CENTERLINE
Comp Cams wrote:
> <http://www.CompCams.com>
>
> CAMSHAFT RECOMMENDATION REQUEST CONFIRMATION: 2/21/2007 / 1:10:23 AM
>
> _____
> VEHICLE INFORMATION
> Make: GMC Model: 2wd rg cab short box Year: 1999
> Must Pass Emission Standards?
> Vehicle Weight: 4000 Axle Ratio: 3.42
> Transmission Type: automatic Tire Height: 28 inch
> Torque Converter Stall Speed: 2800
>
> _____
>
> COMPUTER CONTROLLED VEHICLES
> Vehicle Computer Type? Chip
> Speed Density Sensor: Dont Know
> Mass Air Sensor: Yes
>
> _____
>
> ENGINE INFORMATION
> Engine Block Type: GM
> Engine Size: 5.3 How Many Cylinders: 8
> Bore: 3.779 Stroke: 3.662 Compression Ratio: 9.49
> Piston Type: eutectic cast al Connecting Rod Type: hot-forged
> steel alloy
> Intake Manifold Type: stock truck
> Cylinder Head(s) Year: 1999 LM7 Head Part Number: 12559862
>
> Head Runner Volume: 200/70 Ported Heads: no
> Intake Valve Size: 2.00 Exhaust Valve Size:
> Rocker Arm Type: Stock Rocker Arm Ratio: 1.7
> Exhaust Header(s): No
> Exhaust Type:
> TunedSingle
> Exhaust Pipe Size: dual 2.5"
> RPM Range: 3000 to 6500
> Nitrous Oxide: No
>
> _____
>
> FUEL DELIVERY
> Fuel Type: gasoline Fuel Octane Rating: 91
>
> Carburetor: No Carburetor Size: polished throttle body
>
> Port Injection: Yes
> Electronic Fuel Injection: Yes Oversize Injectors: No
>
> _____
>
> AIR DELIVERY
> Air Filter: Performance
> Ram Air: No
> Turbocharger: No Supercharger: No
>
> _____
>
> APPLICATION SPECIFICS
>
> How Will This Engine Be Used?
> Street Strip
> Class: na
>
> _____
>
> What Type Of Cam Do You Want?
> Hydraulic Roller
>
> _____
>
> What Type Camshaft Are You Currently Using?
> Brand: stock
> Part Number: 12560966
> Specs:
>
> _____
>
> Considering The Current Performance Of Your Vehicle, Do You Want:
> More Torque? No
> More RPM? Yes
> Is Idling Speed Important? No
>
> _____
>
> User Comments:
> Engine is stock LM7. Cast iron manifolds 2.5" outlets into 3.5"x18"
> collector looking for cam,valve springs,pushrods
>
Last edited by BigTex; 06-12-2007 at 07:03 PM. Reason: Removed your address and phone number
06-12-2007, 11:15 AM
#26
06-12-2007, 06:37 PM
#27
TECH Senior Member
iTrader: (45)
Join Date: Jun 2005
Location: Hennessey, Oklahoma
Posts: 9,439
Likes: 0
Received 11 Likes
on
5 Posts
Originally Posted by 2001c3driver
Dumb question for y'all- at what lift do you encounter Piston to Valve contact? With anything over .500 and some more duration, don't ya hafta go to screw in studs.............
06-12-2007, 08:54 PM
#28
On The Tree
Join Date: Jul 2006
Location: Northeast, Ct
Posts: 153
Likes: 0
Received 0 Likes
on
0 Posts
I installed the middle one in my truck last night 208 212. Low end seems better than 218 218 that I had in. Took me 4.5 hrs to install it up and running this time. Getting better all the time on cam swaps. Going back to the dyno and test it out soon. will let you guys know.
06-12-2007, 09:41 PM
#29
TECH Apprentice
Join Date: Nov 2006
Location: Juda
Posts: 335
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by Tahoe6.0
I installed the middle one in my truck last night 208 212. Low end seems better than 218 218 that I had in. Took me 4.5 hrs to install it up and running this time. Getting better all the time on cam swaps. Going back to the dyno and test it out soon. will let you guys know.
Thread
Thread Starter
Forum
Replies
Last Post
07NBSChevy
GM Engine & Exhaust Performance
20
07-08-2015 07:27 PM
