LS1 Truck Engine???
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
The trucks come with 4.8 ,5.3, and 6.0 liter ls-1 style motors
http://www.chevrolet.com/pop/silverado/6000_en.jsp
http://www.chevrolet.com/pop/silverado/6000_en.jsp
Last edited by patsnitrovette; Dec 9, 2004 at 08:55 PM.
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
Heres a link ,and no it doesnt have to just ss trucks.
http://media.gm.com/division/2005_pr...ine_specs.html
http://media.gm.com/division/2005_pr...ine_specs.html
Race Director
Joined: Jun 2000
Posts: 10,046
Likes: 675
From: FL
My Avalanche has a 5.3L LS based motor. 285 HP. Not too bad.
I was thinking that if I ever did an LS motor swap for the Vette that I would use the 6.0 truck motor and add a bigger cam and LS6 manifold. Would be a bit cheaper than a Vette LS1 or LS6.
I was thinking that if I ever did an LS motor swap for the Vette that I would use the 6.0 truck motor and add a bigger cam and LS6 manifold. Would be a bit cheaper than a Vette LS1 or LS6.
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Melting Slicks
Joined: Oct 2002
Posts: 2,865
Likes: 1
From: I may be getting old but I refuse to grow up
Originally Posted by theandies
Also, unless GM changed recently the truck LS1's block in cast iron.
My 01 Silverado has the all iron LS1 (5.3), it comes alive around 2500Steve
Safety Car
Joined: Aug 2001
Posts: 4,883
Likes: 11
From: North Easton Mass
Chevy High Performance did a series of articles recently comparing LS1 intake manifolds and the truck manifold was about equivalent to the LS6 manifold for power. It actually produced more torque than the LS6 manifold. The downsides to the truck manifold is that it is taller than the LS1 so clearance might be a problem, and it is butt ugly. It looks like a turd with fuel injector ports.
Rick B.
Rick B.
Race Director
Joined: Jun 2000
Posts: 10,046
Likes: 675
From: FL
Originally Posted by theandies
Also, unless GM changed recently the truck LS1's block in cast iron.
The 6.0 truck motor with the good heads and lower compression is a great basis for a supercharged motor.
Racer
Joined: Jul 2004
Posts: 492
Likes: 0
From: Burlington Ky
Originally Posted by SteveG75
80lb or so weight penalty. But, the iron block can be easily overbored (no sleeves).
The 6.0 truck motor with the good heads and lower compression is a great basis for a supercharged motor.
The 6.0 truck motor with the good heads and lower compression is a great basis for a supercharged motor.
Hmmmm.... Don't get me started. I'll never get this thing done and I'll go broke.
Melting Slicks
Joined: Feb 2002
Posts: 2,298
Likes: 1
From: Sodertalje/Sweden
Melting Slicks
Joined: Feb 2004
Posts: 2,435
Likes: 0
From: largo florida
[QUOTE=SteveG75]80lb or so weight penalty. But, the iron block can be easily overbored (no sleeves).
I dont think the few extra cubes from a .030 or even .060 bore is enough to justify the 95 pounds difference.
I dont think the few extra cubes from a .030 or even .060 bore is enough to justify the 95 pounds difference.
Melting Slicks
Joined: Feb 2004
Posts: 2,435
Likes: 0
From: largo florida
Originally Posted by SteveG75
80lb or so weight penalty. But, the iron block can be easily overbored (no sleeves).
The 6.0 truck motor with the good heads and lower compression is a great basis for a supercharged motor.
The 6.0 truck motor with the good heads and lower compression is a great basis for a supercharged motor.
