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330 HP 350 HO deluxe crate engine

Call us toll-free at 1-800-926-4977 ext. 1232 (or 330-792-5258) between 7:30 a.m. and 9 p.m. EST Monday through Friday and 8 a.m. 'til 4 p.m. Saturdays about this exclusive Greenwood Chevy Performance Parts special!

The 350 HO Deluxe takes the value leading 350HO/330HP Crate Engine a step further by adding a carburetor, distributor, water pump, torsional damper, and an auto trans flexplate. This enhancement to the Vortec head 330 horsepower 350 HO makes it easier than ever to repower your street rod, street machine or sportsman racer. The 600 cfm vacuum secondary Holley carburetor is ideally suited to the 350 HO. And the proven GM HEI distributor will give years of worry-free driving. With a 9.1:1 compression ratio, it's pump gas friendly, and with its muscle car idle it's cruise night cool. With GM Performance Part's lowest priced small-block crate engine there is no reason to rebuild that junk yard clunker and since it's complete from carb-to-pan there is no need to chase parts ! Call us at 1-800-926-4977, ext. 232, to learn more about this great engine, which is perfect for your 1975 or older vehicle or any off-road usage.

Horsepower ................................330 @ 5000 RPM

Torque .......................................380 Ft. Lbs. @ 3800 RPM

Maximum Recommended RPM ......5500

Compression Ratio .......................9.1:1

Block.... 10105123 - Cast Iron 4-Bolt with One Piece Rear Main Seal

Crankshaft..................................14088527 - Nodular Cast Iron

Connecting Rods.........................10108688 - Forged Steel

Pistons.......................................12361371 - Cast Aluminum

Piston Rings................................14089025

Camshaft ...............................     24502476 - Lift: .435" Int., .460" Exh.

Camshaft Duration @ .050"...........212° Int., 222° Exh

Timing Chain................................14087014

Heads......12558060 - Cast Iron 64-cc Vortec Combustion Chambers

Intake Valves.............................10241743 - 1.94"

Exhaust Valves.........................  12550901 - 1.50"

Valve Springs..............................10212811

Rocker Arms ...............................10089648 - 1.5 Ratio

Valve Lash ..................................Zero

Spark Plugs ...............R44LTS - Gap at .045; 41-932 - Gap at .060

Ignition Timing ............................10° BTDC @ 700 RPM

 

Part number #12496968
$3,745.00*

* Price subject to change without notice

Tech Tip
"Oil Filter & Oil Cooler Bypass Valves"
From Speed Reading by Wade Hajek of GM Performance Parts


Gen V and Gen VI big-block crate engines come with two oil pressure bypass valves installed in the engine blocks. Both of these valves are rated at 11 psi pressure differential. One valve is for the oil filter and the other is for the production oil cooler. If you install an aftermarket oil cooler or remote oil filter that attaches to the oil filter pad on the engine block, you should be aware that you need to change the oil filter bypass valve in the engine block. The aftermarket oil lines add resistance which will cause the bypass valve to bypass the aftermarket oil cooler and/or oil filter all the time. Obviously, if the cooler and filter are bypassed the oil will be dirty and hot. Your engine could run hotter and could be damaged by dirt in the oil. If you choose to use an aftermarket cooler or remote oil filter that attaches to the pad, you should change the bypass valve to one with a higher differential pressure rating. A good choice would be GM# 25161284 which is rated at 30 psi. Remove the valve that is closest to the crankshaft and replace it with the new valve. Press the new valve into the engine block and stake it in three places. You should note that the bypass valves don't need to be changed if you use a production oil cooler which uses the production holes in the engine block and you don't use a remote oil filter. Also, if you use an adapter that just angles the filter for clearance you don't need to change the bypass valves.

GM PARTS WARRANTY INFORMATION:

Due to the nature and intended usage of GM Performance Parts, the parts available on this website and in our walk-in store (except for engines and partial engines) are sold without any express or implied warranty of merchantability or fitness for a particular purpose. The entire risk as to the performance of such parts is with the buyer. Should such parts prove defective following their purchase, the buyer and not the manufacturer, distributor, or retailer, assumes the entire cost of all necessary servicing, repair, damage or loss to property and consequential damage. "Engine and Partial Engine Warranty" under the provisions of the General Motors Dealer Service Parts and Accessories Warranty Section 1.1.3a, engines and partial engines, including partial engines in kits, are warranted against defects in materials and workmanship. This warranty specifically excludes engines and partial engines used in racing or competition or that fail as a result of alteration. These engines and partial engines are not designed or approved by General Motors for marine use. Installation of GM Performance Parts may adversely affect GM New Vehicle Warranty. Please consult your dealer for terms and conditions.

 

 

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