After the 1967 Trans-Am campaign with the 4-Bbl induction system producing more horsepower than the competing auto makers' 8-Bbl systems, for 1968 Chevrolet developed a factory 'cross-ram' aluminum intake-manifold package using two Holley 600cuft/min (17m3/min) mechanical secondary carburetors for Trans-Am racing. RacingJunk.com We apologize for the inconvenience. [31] It is based on the Generation I small-block from Chevrolet. It featured a slightly more aggressive camshaft profile, 1.6:1 aluminum roller rocker arms, lighter hollow intake valves and liquid-sodium filled exhaust valves, larger fuel injectors, performance crankshaft, higher 10.8:1 compression ratio and high-flow intake manifold (painted red) with extra material above the port available to allow port matching to the raised port LT4 cylinder heads. The L83 added "Cross-Fire" fuel injection (twin throttle-body fuel injection). Engine mounts and bell housing bolt pattern remain the same, permitting a newer engine to be readily swapped into an older vehicle. Among the intermediate displacements were the 283cuin (4.6L), 327cuin (5.4L), and numerous 350cuin (5.7L) versions. Bore is 95mm (3.7in), stroke is 88.4mm (3.5in). The L99's smaller displacement provided slightly better EPA fuel economy than the 5.7L LT1, but at significantly reduced horsepower and torque levels. The Chevrolet Small-Block fundamentally changed the world of engine performance more than six decades ago, and this icon of American horsepower is pulling stronger than ever in Chevrolet Performances diverse range of crate engines. [citation needed], The 1956 Corvette introduced three versions of this engine 210hp (157kW) with a single 4-barrel carburetor, 225hp (168kW) with twin 4-barrels, and 240hp (179kW) with two four-barrel carburetors and a high-lift camshaft.[18]. Check out Chevrolet Performance product releases, future car builds, and more. In all, over 100,000,000 small-blocks have been built in carbureted and fuel injected forms since 1955 as of November 29, 2011. The LM1 was first introduced for 1969 model year as a 9.0:1 255hp engine. The 400 was made in 4-bolt main journal from 1970 to 1972 and in 2-bolt main journal from 1973 to 1979. A version using a closed-loop carburetor was used with the California emissions package in its final years. When the journal size increased to the standard large-journal size, the crankshaft for the 302 was specially built of tufftride-hardened forged 1053-steel and fitted with a high-rpm 8in (203.2mm) diameter harmonic balancer. It was discontinued in 1982. Everything you need for anything you drive. The LT-1 was one of the most well-known SBC V8s, becoming available in 1970. Displacement is 5,020 cc, (305.4 cubic inches). The LU5 "Crossfire EFI 5.0L" featured a dual Throttle Body Injection set-up, based upon the original "Crossram Intake" supplied by Chevrolet for the 1969 Camaro Z28. ( 5 ), 5.0 out of 5 stars In Stock, Including at a Supplier. RacingJunk. This was Chevrolet's second 4.3 L-displacement power plant; four other Chevrolet engines displaced 4.3 L: the Vortec 4300 (a V6 based on the Chevrolet 350cuin (5.7L), with two cylinders removed), the original 265cuin (4.3L) V8 in 1954, a bored version of the stovebolt-era 235 inline six displacing 261cuin (4.3L), and a derivative of the Generation II LT engines known as the L99 (using the 305's 3.736in (94.9mm) bore, 5.94in (150.9mm)-long connecting rods, and a 3in (76.2mm) stroke). The 1970 model year Camaro had a 250HP High Performance 2bbl Rochester carburetor. This engine used the TBI throttle body fuel injection, which was a hybrid between EFI and carburetor technology. Also added was a knock sensor to allow the "CCC" engine management system to compensate for the increase in compression and a more aggressive spark-timing map in the ECM. In spite of its novel green sand foundry construction, the '55 block's lack of adequate oil filtration leaves it typically only desirable to period collectors. A significant improvement over the original Generation I V8 is the Generation II LT1's "reverse cooling" system, allowing coolant to start at the heads and flow down through the block. In 1969 it was used in almost all car lines; Camaros, Caprices, Impalas, El Caminos, Chevelles & Novas. The 265 had a 3.750 inches (95.25mm) bore. It was basically the 2bbl version of the L48 350. The cylinder heads feature combustion chambers and intake ports very similar to those of the LT1 V8, but lacking the LT1's reverse-flow cooling and higher compression. The L69 High Output 5.0L was released late into the 1983 model year. Its solid-lifter cam, known as the "30-30 Duntov" cam named after its 0.03in (0.8mm)/0.030in hot intake/exhaust valve-lash and Zora Arkus-Duntov (the first Duntov cam was the 0.012in (0.3mm)/0.018in (0.5mm) 1957 grind known as the '097, which referred to the last three digits of the casting number) the "Father of the Corvette", was also used in the 1964-1965 carbureted 327/365 and fuel injected 327/375 engines. Bore and stroke were 3.736in 3.48in (94.9mm 88.4mm), using the 350's crankshaft throw. In February 2008, a Wisconsin businessman reported that his 1991 Chevrolet C1500 pickup had logged over 1 million miles without any major repairs to its L05 engine. Power was down in 1971 to dual-rated 330hp (246kW) (gross)/255hp (190kW) (net) and 360lbft (488Nm) of torque with 9.0:1 compression, and again in 1972 (the last year of the LT-1, now rated using net only, rather than gross, measurement) to 255hp (190kW) and 280lbft (380Nm). See Oldsmobile Diesel engine for more information. The L05 was also used in the G van models and the P30 step vans. It used a Rochester "4MV" Quadra-Jet 4-barrel carburetor and a L48 camshaft. of Torque, with Flexplate, Big Block, 8.2L, Chevy, Each, Estimated Ship Date: The LS9 and LT9 engines were replaced for 1987 by the L05 TBI (throttle-body fuel injection) engines. This keeps the heads cooler, affording greater power through a higher compression ratio and greater spark advance at the same time it maintains higher and more consistent cylinder temperatures. In 1965 Chevrolet released the now-legendary L-79, which was nothing more than an L-76 (11.0:1 forged pop-up pistons, forged steel rods and crank, 2.02 Corvette heads), but with the 30-30 Duntov cam replaced by the No. A crate engine can be a significant investment, so we only carry manufacturers wed use for our own projects. It produced 210hp (157kW) in the Corvette for 19761977. However, the overbore to these blocks resulted in thin cylinder walls. The 4.4L; 267.8cuin (4,389cc) engine had the 350's crankshaft stroke of 3.48in (88.4mm) and the smallest bore of any small-block, 3.5in (88.9mm), shared with the 200 V6 introduced a year earlier. This change also resulted in a drop in power to 130hp (97kW) and 125hp (93kW) for California emissions cars. Another improvement was use of a hydraulic lifter/roller camshaft on most 1987 LG4s. The LT-9's listed specifications are 160hp (119kW) at 3,800rpm and 250lbft (339Nm) of torque at 2,800rpm with 8.3:1 compression. *exclusions apply. It used an EFI system with electronically controlled injectors, which were mated to a twin barrel "carburetor" body. Future 283 blocks were cast to accept the 3.875 bore. Aug 18, 2022 The first of this family was the 265, introduced in 1954. Visit TheBLOCK.com for a behind-the-scenes look at the world of Chevrolet Performance from an enthusiast's point of view. It was also used for the limited production Avanti for a few years in the 1970s. The Flint plant was producing about 5,200 engines per day in the mid-1980s, and had a slower, separate line for the TPI engines used in the Camaro and Corvette. 1972 saw 200hp (149kW) (net) and 270lbft (366Nm) (net) of torque. Additionally, the L05 was used in 9C1-optioned police package Caprices, and in the following vehicles: L05s were used primarily with casting number 14102193 (64cc combustion chambers) cylinder heads with swirled intake ports - the intake ports were designed for fuel economy (the design was also shared with the 103 heads used on the 4.3L with TBI). As had been the case with earlier versions of the small-block, the 350 was available in the Beaumont sold by Pontiac Canada, which unlike its US counterparts, used Chevrolet chassis and drivelines. Nothing has ever been apart, all numbers match on everything. ( 5 ), 5.0 out of 5 stars This block is one of three displacements, 302/327/350, that underwent a crankshaft bearing diameter transformation for 1968 when the rod-journal size was increased from the 2in (50.8mm) diameter small-journal to a 2.1in (53.3mm) large-journal and a main-journal size that was increased from 2.3in (58.4mm) to 2.45in (62.2mm). It offers the airflow of more expensive heads, at a much lower cost. In a very short time, these engines obtained the notorious nickname; "Ceasefire Engine". Although all of Chevrolet's siblings of the period (Buick, Cadillac, Oldsmobile, Pontiac, and Holden) designed their own V8s, it was the Chevrolet 305 and 350cuin (5.0 and 5.7L) small-block that became the GM corporate standard. It was a higher performance version of the base 350cuin (5.7L) V8 with casting number 186 2.02/1.6in (51.3/40.6mm) valve heads and had an 11.0:1 compression ratio requiring high octane gas and produced 350hp (261kW)(SAE gross power). In 94 the LT1 switched to a mass airflow sensor and sequential port injection. Sep 7, 2022, Crate Engine, Godzilla, 7.3L, 10.5:1 Compression, 430 HP, 475 lb/ft. if ordered today, Crate Engine, Dressed Long Block, Chevy, Small Block, 396 Stroker, SBC, 350 Crate Motor, BluePrint Heads, 5.0 out of 5 stars Jones crate pulleys, msd distributor, HVH spacer with Mid East cable seals.6500 without carb and headers. The "Marine" intake, despite its cast iron construction, is an L31 upgrade that allows use of common Bosch-style injectors with various flow rates while still maintaining emission compliance. This engine starts as a Dart Little M block that we fully machine and install all new components. [17] A side note to Pontiac's V-8 was the engine was supposed to be introduced on 1953 cars, and all 53 & 54 Pontiac's chassis and suspension were designed for the engine that didn't make it into a Pontiac until late 1954. A stock 1968 Z/28 with the close-ratio transmission, optional transistorized-ignition and 4.88 gear, fitted with little more than the factory cowl plenum cold-air hood induction and headers, was capable of running 12.9 second/108mph (174km/h) 14 mile (402m) times on street tires. A high-performance 327cuin (5.4L) variant followed, turning out as much as 375hp (280kW) (SAE gross power, not SAE net power or the current SAE certified power values) and raising horsepower per cubic inch to 1.15hp (0.86kW). 1969 Corvette and 1970 Z/28 engines were equipped with a Holley carburetor until the Q-jet carburetor returned in 1973. Copyright 1995-2022 eBay Inc. All Rights Reserved. A 307cuin (5.0L) version was produced from 1968 through 1973. The 283, famous for being one of the first engines to make onehp per cubicinch, is also famous for being the evolutionary stepping stone that would later give rise to small blocks and to the "W" blocks, ultimately culminating in the Chevrolet big-blocks. The more precise spark timing provided by the CCC made possible a series of increases in compression ratio from a pre-CCC 8.4:1, to 8.6:1, to a knock-sensor-assisted 9.5:1, all while still only requiring 87 AKI regular unleaded fuel. GMH used the same specification engine in the Holden HK Monaro GTS327. The 350cuin (5.7L), with a 3.48in (88.39mm) stroke, first appeared as a high-performance L-48 option for the 1967 Camaro. [16] By 1957 it had grown to 283cuin (4.6L). In the ignition system, CCC was fully responsible for the timing curve; mechanical and vacuum advances were eliminated from the distributor. The 19731974 L82 was a "performance" version of the 350 that still used the casting number 624 76cc chamber "2.02" heads but with a Rochester Quadra-jet 4bbl carburetor and dual-plane aluminum intake manifold, the earlier L46 350hp (261kW) 350 hydraulic-lifter cam, and 9.0:1 compression forged-aluminum pistons producing 250hp (186kW) (1971 was the first year for SAE net hp rating, as installed in the vehicle with accessories and mufflers) and 285lbft (386Nm) of torque. Through much of the 80's, the 305 became General Motors' most common V8, followed closely by Oldsmobile's 307. A long block usually comes with cylinder heads, oil pan, camshaft, and valve covers, along with horsepower and torque ratings. Some OBD-II features had been added to the Corvette starting in 1994 for testing purposes. The preproduction LT5 initially produced 385hp (287kW), but was reduced to 375hp (280kW) and 370lbft (502Nm) for the 1990-1992 Corvette ZR-1. Summit also carries other popular crate engine designs, including the Chevy small block 350, the Ford 302 and Coyote, and, of course, the Hemi. The LT-1 was available in the Corvette, and Camaro Z28. The L46 became an optional engine for the 1969 Chevrolet Corvette. if ordered today, Crate Engine, Long Block, Chevy, Small Block, 355, SBC, 350 Crate Motor, BluePrint Cylinder Heads, Roller Cam, 4.9 out of 5 stars Every part in a SCCA Trans-Am engine had to be available through local Chevrolet parts departments to encourage their use by anyone who wanted them. Unfortunately, the system was placed atop the basic LG4 and lacked any significant performance capability. McNally Institute", "What is the weight of a Chevy 454 engine? At its core was the stout L69 shortblock and it used the same aggressive L69 camshaft profile. The interchangeable parts include the rotating assembly (crank shaft, pistons, connecting rods, and flywheel/flexplate) one piece rear main seal housing, oil pan and valve cover gaskets and valvetrain assembly (not including timing set, which includes a gear to drive the water pump). A special build 327 was built for GMH for the final run of the HK GTS327 by the Canadian McKinnon Industries. For the Generation II V8 used from 1991-1997, see, Gunnell, John. [23], Post-1971 blocks possibly had a lower nickel content but thicker cylinder deck, and post 1974 heads of the small block Chevrolet used less iron, and were lighter weight, crack-prone, and were less powerful because of the lower compression ratios used. Changes include a vacuum port to draw filtered air through the distributor to remove moisture and ozone and a revised drive system which uses an extended dowel pin on the camshaft rather than a separate splined shaft in the camshaft gear. The Generation II engine is largely an improved version of the Generation I, having many interchangeable parts and dimensions. The medium journal 305, like its big-brother 350, would be further developed in the 1990s, although with a reduced 3in (76.2mm) stroke using 5.94in (150.9mm) connecting rods, into the Generation II LT engine L99 263. [23] It was also available in 1970 with 4bbl Quadrajet carburetor and L46 hydraulic cam, dome piston (+0.16cuin (2.6cc)), 186 heads, and a four-bolt block. The LS9 was GM's 350 cubic inch truck engine used in C/K/G 10/20 models under 8,500lb (3,856kg) GVWR (gross vehicle weight rating). The early Optispark distributor had durability problems, and a revised version was introduced on the 1994 B-Bodies and on the 1995 Y and F-Bodies. Stinson. One in 5 engines was tested on a Superflow engine dyno. One year later it was made available in the Chevrolet Nova, and finally in 1969 the rest of the Chevrolet line could be ordered with a 350. The next generation LT5 was set to produce between 450hp (336kW) and 475hp (354kW). In 1969, factory Z/28's could be ordered with the ZL-1 aluminum-block 427 adaption of the 1967 L-88 427 Corvette cowl-induction 'ZL-2' hood available for both single and dual four-barrel induction systems that were sealed to the air cleaner base ensuring dense cooler, high-pressure, oxygen-laiden air from the center of the base of the windshield was supplied to the engine for combustion smoothness and maximum power production. Engine bore and stroke was 3.875in 3.25in (98.4mm 82.6mm). Power ranged from 225 to 383hp (168 to 286kW) depending on the choice of carburetor or fuel injection, camshaft, cylinder heads, pistons and intake manifold. Small block 440 CU Inch all aluminum dry sump, 983HP with alcohol injection. Referred to as a "small-block" for its size relative to the physically much larger Chevrolet big-block engines, the small block family spanned from 262cuin (4.3L) to 400cuin (6.6L) in displacement. A second generation of the LT5 was in the testing phase as early as 1993. Subscribe to receive monthly email communications such as news, offers, and more from Chevrolet Performance. But it was the 350cuin (5.7L) series that became the best known Chevrolet small-block. There seems to be a problem serving the request at this time, {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. In 1966, General Motors designed a special 302cuin (4.9L) engine for the production Z/28 Camaro in order for it to meet the Sports Car Club of America (SCCA) Trans-Am Series road racing rules limiting engine displacement to 305cuin (5.0L) from 1967 to 1969. The compression ratio is 9.1:1. The LT5 was available on the following vehicles: The L99 4.3L (263.1cuin; 4,311cc) V8, produced from 19941996, shared a 3.736in (94.9mm) cylinder bore with the 305cuin (5.0L) but had a 3in (76.2mm) stroke compared to 3.48in (88.4mm) of the 305cuin (5.0L). It was only available with a M2ME Rochester Dualjet 210 effectively a Rochester Quadrajet with no rear barrels. As such, the L31 head is compatible with all older small-blocks, and is a very popular upgrade. ( 14 ), Crate Engine, Dressed Long Block, Chevy, Small Block, 350 Crate Motor, BluePrint Cylinder Heads, Roller Cam, 4.5 out of 5 stars The ZQ3 is the standard engine in the 19691974 Chevrolet Corvette. And each cylinder had its own fuel injector fed by a fuel rail mounted above each bank. The engine was passed down to 1997 SLP Camaros SS and SLP Firehawks with 6-speed manual transmissions. The L81 was the only 5.7L (350cuin) Corvette engine for 1981. [39] The LT5 however wasn't an evolutionary dead end. There were a few different versions of the LT1. Though not offered in GM vehicles since 2003, the 350 series is still in production at a GM subsidiary in Springfield, MO under the company's "GM Genuine Parts" brand, and is also manufactured as an industrial and marine engine by GM Powertrain under the "Vortec" name. When combined with performance-built stock 305 heads w/larger valves or aftermarket heads, plus a camshaft upgrade, these engines can perform surprisingly well. After they were built at the Mercruiser plant in Stillwater, Oklahoma they were shipped to Bowling Green, Kentucky and stored in the Corvette assembly plant until the 1994 and 1995 ZR-1s went down the assembly line. Some early engines have lifter retainer provisions, but use the older, non-roller camshaft. Stay Updated with Emails from Summit Racing. Power output would drop in subsequent years of the engine. Output is 200hp (149kW) and 245lbft (332Nm). The compression ratio of the L48 was lowered to 8.5:1 in 1971. All Rights Reserved, Designated trademarks and brands are the property of their respective owners. [18], Also available in the Bel Air sedan, the basic passenger car version produced 162hp (121kW) with a two-barrel carburetor. Standard Catalog of Corvette, 1953-2005. The engine produced 165hp (123kW) at 4,400 and 240lbft (325Nm) at 2,000 rpm. [citation needed] The 1997 model year Camaro and Firebird were the last year for this engine in a GM production car before it was replaced by the LS1, which was already in the Corvette for 1997. All 307s had large 2.45-inch (62.2mm) journals to accept the 327's crankshaft. Since GM did not assign a 1983 model year to production Corvettes, there was no L83 for 1983. Krause Publications, 2004, Learn how and when to remove this template message, "Chevrolet small-block engine"first and second generation, "Horsepower Nation: Chevrolet's small-block V8 celebrates its 50th birthday", "434/765HP Small Block Chevy Drag Race Engine", "434/710HP Small Block Chevy Drag Race Engine", "1975 Lola T400 Chevrolet Specifications", "SSRE's 700hp Pump-Gas Big Dawg 434 Small-Block is Wicked", "How Much Does a Small Block Chevy Engine Weight? The LT1 used a reverse-flow cooling system which cooled the cylinder heads first, maintaining lower combustion chamber temperatures and allowing the engine to run at a higher compression than its immediate predecessors. It used solid lifters, 11.0:1 compression, the "178" high-performance camshaft, and a 780cuft/min (22m3/min) vacuum secondary Holley four-barrel carburetor on a special high-rise aluminum intake, with special 2.5" outlet rams' horn exhaust manifolds in the Corvette, Delco transistor ignition and a low-restriction exhaust factory rated at 370hp (276kW) in the Corvette, and 360hp (268kW) at 6000 rpm and 380lbft (515Nm) at 4000 in the Camaro Z28[24] (the NHRA rated it at 425hp (317kW) for classification purposes). The first iteration of the 305, the LG3 was introduced in 1976. In mid-1996 the L05 was equipped with heads used in the 1996 G30. Generation I and Generation II LT engines[12] are distinct from subsequent LS-based small-block engines. In 1969 and 1970 it was a 300hp (224kW) version of the 350cuin (5.7L) small-block, with 10.25:1 compression and hydraulic lifters. (Source: 1984 Chevrolet Truck Data Book.). dba Summit Racing Equipment | Trademarks. Installed in everything from station wagons to sports cars, in commercial vehicles, and even in boats and (in highly modified form) airplanes, it is the most widely used small-block of all time. ( 1 ), Estimated Ship Date: As a result, power increased for the 1985 models to 165hp (123kW) from the 150hp (112kW) rating in 1984. [18], A shortcoming of the 1955 265 was its lack of any provision for oil filtration built into the block, instead relying on an add-on filter mounted on the thermostat housing, and that was an "option only". Power output for 1975 was 110hp (82kW) at 3600 rpm and 195lbft (264Nm) at 2000 rpm. Fitted with the optional Rochester mechanical fuel injection (FI), it was one of the first production engines to make 1hp (0.7kW) per 1cuin (16cm3). The power ratings jumped to 405hp (411PS; 302kW) at 5800 rpm and 385lbft (522Nm) of torque at 5200 rpm from 1993 until its final year in 1995,[38] thanks to cam timing changes and improvements to the engine porting. For 1987, Chevrolet once again made some revisions to increase overall reliability, many of them borrowed from the TBI L03, which was to replace the LG4. Introduced in 1963 on Pontiac's 389 and 421cuin (6.4 and 6.9L) drag racing engines, General Motors fitted it to the 1967 Z/28 before they used it on the L88 427cuin (7.0L) Corvette. Visitwww.chevroletperformance.com/emissionsfor more details. It was intended to fill the gap where the venerable 283 and 307 had been. This new engine family would provide better gas economy than the 350, share its basic architecture and many parts with the 350 (thus reducing production costs), and provide customers with more horsepower and torque than Chevrolet's 1970s-era inline 6 and V6 engines. Terms of Use | Privacy and Security | Site Accessibility The 262 was replaced by the 305 for the 1977 model year. The Chevrolet small-block engine is a series of gasoline-powered, V-8 automobile engines, produced by the Chevrolet division of General Motors between 1954 and 2003, using the same basic engine block. Despite being discontinued, a new class of premium V8s for Cadillac and eventually Oldsmobile, the dual overhead cam V8 Northstar and its derivatives, drew heavily from the LT5's design and lessons learned from its production. Some parts from the Generation II are interchangeable with the Generation I one-piece rear main seal engine. In 1969, the 302 shared the finned cast aluminium valve covers with the LT-1 350 Corvette engine. [23] This was also the only engine on the 1984 Corvette, at 205hp (153kW) and 290lbft (393Nm) of torque. GM forced the Pontiac division to share its valvetrain design in Chevrolet's new 265 V8 in 1955, so that both engines were introduced the same year with the same valve train design. In 1968, the engine had the chrome covers, but without the Chevrolet name, connected to a PCV valve and a chrome 14in 3in (355.6mm 76.2mm) drop-base open-element air cleaner assembly fitted with a crankcase breather on a 780cuft/min (22m3/min) vacuum secondary Holley 4-Bbl carburetor. In 1981 (1980 for California models) Chevrolet added GM's new "Computer Command Control" (CCC) engine management system to the LG4 engines (except Canadian models). 436 HP Base Stroker Long Block Crate Engines BP38318CT1, BluePrint Engines GM 383 C.I.D. The 400 differed from other small blocks in that the cylinders were siamesed and therefore required 'steam' holes in the block, head gaskets, and heads to help alleviate 'hot-spots' in the cooling system at the point above the siamesed cylinders. Aug 3, 2022 The LM1 is the base 350cuin with a 4-barrel carburetor (usually with a Rochester Quadrajet) 155175hp (116130kW) engine in passenger cars to 1979 as a retail option (its final use in a retail passenger car was the 1981 Camaro Z28) and police package 9C1 A/G (Malibu to 1981) and B-bodies (Caprice, Impala) until 1988 retail market GM rear wheel drive/V8s sold to the general public had a maximum 5.0liters displacement with the exception of its muscle car survivors e.g. Oct 27, 2022 Rodeck block, Brodix 10X Pontiac Heads, Jesel shaft mount rockers, JE pistons, Eagle H beam steel Rods, ATI balancer, Jesel timing belt, MSD billet To view 1 more early access ads, please sign up for one of our select, 415 all aluminum Chevy.

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