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gen iii
The LS based small-block engine is the primary V8 used in General Motors' line of rear-wheel-drive cars and trucks. Introduced in January 1995, it is a "clean sheet" design with only rod bearings, lifters, and bore spacing in common with the longstanding Chevrolet small block V8 that preceded it as the basis for GM small-block V8s. The basic LS variations use cast iron blocks, while performance editions are all aluminium with cast iron cylinder liners.
The LS small-block has been manufactured in three Generations – III, IV, and V – with preceding Generations I and II of modular GM small-block engines having been based on the Chevrolet small-block V8 originally released in 1954. GM recycled the "LT" designation beginning with the LS Generation V "LT1" in 2014.
Several versions of the LS were used in the Chevrolet Corvette, beginning with the LS1 in 1997 through the LS9 and others in 2013. Variants of the LT version of the GM small-block have been used since.
Most of the credit for this engine family must go to Ed Koerner, GM's Powertrain vice president of engineering operations at the time. He was a V8 design veteran and former National Hot Rod Association (NHRA) record holder in drag racing. Koerner had been the Chief Engineer for all the existing GM small-block V8 engines, and was put in charge of the "all new" Gen III LS1 V-8 development project, which would share no parts with previous engines. Design team-members included Alan Hayman, Jim Mazzola, Ron Sperry, Bill Compton, Brian Kaminski, Jon Lewis, Stan Turek, Don Weiderhold, and Dave Wandel.
The performance improvements in the LS-family V8s over the previous classic small block V8 family are several. The lower section of the block incorporates deep side skirts, along with 6-bolt cross-bolted main bearing caps. This fully boxes the crankshaft, creating a very strong and rigid structure that has been hot-rodded by enthusiasts to over 1,000-HP.
Although it is the same compact physical size as the classic small block V8, this block can accept a 4-inch stroke as an option in its stock form, due to the cam location being elevated slightly, compared to previous block designs. Also, the cam bearing journals are larger, to allow for a higher cam-lift profile than was previously possible. The stock aluminum heads can provide a high amount of air-flow, which previously could only be found in aftermarket race-performance heads.
The aluminum heads also incorporate steam vents to prevent gas pockets from building up in critical areas, and this is vital in allowing the coolant to manage heat build-up for high-performace applications. Such design features allow for a higher compression ratio with no fear of detonation. The thermostat has been located at a low position, which eliminates the possibility of a gas pocket preventing the thermostat from properly sensing the heat of the coolant.
Previous generations incorporated a coolant passage through the intake manifold to warm the incoming fuel-air mixture in very cold climates. However, modern fuel-injection techniques eliminate fuel atomization concerns under all conditions, so the LS family uses a dry intake manifold. This removes a common coolant leakage point, and also allows the incoming air to remain as cool as possible for better power production.
This is new, only mounted. Not what I’m looking for.
Looking to get $2000 with it mounted on a KDG Sidelok mount or $1850 with no mount.
Open to trades toward a modlite pl350, Aimpoint t2, sig romeo FDE 4t. But would prefer to sell for cash, or electronic payment.
Will ship for cost!
Have a Mil Vortex Razor HD Gen III 1-10x with a Scalarworks LEAP07 34mm 1.57 mount, AADland engineering caps, and a coveted KAC cap. This is new and unused. Has been mounted into its current configuration, but that's it. Absolutely will not separate, and will ESPECIALLY not separate the KAC cap...
Bought gently used, moving a different direction on build. Will include switch view, new Reptilia mount and original box for scope. Can include ROF90 for extra. No trades; selling only.
Would've been a better deal if this were in mils. Don't know when this sale ends.
https://www.focuscamera.com/scopes-optics/riflescopes-and-sights/riflescopes/vortex-razor-hd-gen-iii-6-36x56-ffp-riflescope-ebr-7d-moa-reticle.html
Coupon code: memorial25
*Please don't buy this to flip it for...
Pretty much brand new. Mounted it on my Dd MK18 to sight it in and then it went in the safe as I’ve been having a lot of fun with precision 22. This thing is immaculate. No scratches or blemishes anywhere.
Comes with everything it did from the factory, tool, cloth, a couple batteries and...
New in box, plastic has been cut, but not mounted or removed from box. Paid $3k the first week they came out, looking to get $2400 $2100 $1800 back.
Been holding on to it for a project that doesn’t look like it’s going to happen, and need to cash it back out.
More pics on request, and I’ll try...
Brand new in box never opened
Razor gen 3 1-10 MRAD
$1675
360-fivezero8-2855
Meet Salem to Eugene.
Possible trade interests:
Aimpoint t2/m5
Factory higher end 5.56 rifle or pistol
Feel free to PM offers.
Selling my new in box Vortex Razor HD Gen III. It has only been removed from the box for pictures, never mounted. It comes with everything from the factory (throw lever, extra batteries, tools ect). I am the first and only owner.
Please let me know if you have any questions. No trades please...
Open box, mounted but never shot. Decided I want variable instead. Cool scope!
$250 or trade for a pistol upper, Holosun 510c. I'm up for other offers too. Can meet in Beaverton/Hillsboro or downtown Portland
Have this brand new sealed in box. Just throwing it up cause I can never make up my mind and can’t hang on to anything. Looking for trades. I’m very open as long as value is even, or you can add cash. Firearms or non firearms. But must be firearm related.
Lefty match style rifle in .223 (non...
Includes scope, never used but mounted, in original box. Great little LPVO at an incredible price. Also includes an Aero Precision Ultralight scope mount ($75 value). PM or text Scott @ 805-443-1391 with questions or offers.
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This rifle scope is part of our SLx optics line. SLx...
I have for sale a pretty much brand new AGM Gen III+ White Phosphor PVS-14 Omega night vision device. Autogated with automatic brightness controls while still having the option for manual gain control. Housing is the lightest PVS-14 option available on the market, with greater water resistance...
Primary Arms 3x Prism Scope with 7.62x39/.300BLK ACSS CQB reticle. Original owner. Left the house once to zero, been in the safe on RS Regulate in a crown royal bag since. Glass is flawless (see pics). Barely noticeable rub on finish opposite elevation adjustment, otherwise salt-free. Includes...
Black CCA MCK Gen 3
Never fired
Nothing wrong with it want to find shotgun project
Can include 1x ETS 40 rounder
Has thumb rests also
Pretty comfortable rad little thing I don’t shoot enough to keep it obviously since it’s unfired lol
Potential trades;
Chest rig, plates/carrier, ear...
Looking to sell my Vortex Razor HD Gen III 1-10x24 EBR-9 MRAD w/ Badger Ordnance Condition ONE mount.
It's new, I leveled it in the scope mount and torqued everything to spec but have not put any rounds downrange with it. It's perfect and I have the box and all the paperwork / accessories with...
Vortex Razor HD Gen III
EBR-9 BDC MOA
1-10 x 24 first focal plane
Includes Griffin Armament mount see photos for specs.
Scope was mounted but never used.
$2000 or best offer
Pickup in the Beaverton-Hillsboro area.
Private messages for quickest response.