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Chevrolet - 330 HP 350 HO & 330 HP 350 HO DELUXE CRATE ENGINES | |
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The 330 horsepower 350 HO doesn’t sacrifice power or durability. For those looking for a more complete crate engine, GMPP
offers the 330 HP 350 HO Deluxe crate engine which is also shown on this page. Chevrolet up grade options are shown at the bottom of this page. Keys - scperformanceeng, gmperformanceeng, or gmgoodwrencheng for SC, GM, or Goodwrench engines. Use allengine for a complete list of all three. |
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350 HO NAVIGATION | |
| GMPP 350 HO & 350 HO Deluxe, 350 HO Options | GMPP 350 HO Circle Track |
| Chevrolet 350 HO Super Deluxe | Chevrolet 350 HO Super Deluxe Pictures |
| Chevrolet Vortec Power XTREME 4x4 350 Main Page | Chevrolet Vortec Power XTREME 4x4 350 Pictures 1 |
| Chevrolet Vortec Power XTREME 4x4 350 Pictures 2 | GMPP 300 HP, 350 HO (Discontinued) |
| Chevrolet Dual-Four Deluxe 350 HO | 350 HO Problem With Dipstick Tube And Headers |
| Chevrolet Dual-Four Deluxe 350 HO Pictures | |
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We have more GM and Chevrolet Performance Engines available. We have more GM Stock Replacement Long-block Goodwrench Engines available. We have more “Gen 3” and “Gen 4” Design Engines available. (LS1, LS2, LS6, LQ4, LS7) |
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330 HP, 350 HO DESCRIPTION | |
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P/N 12486041 Our lowest priced crate engine, the 330 horsepower 350 HO doesn’t sacrifice power or durability, it just pumps up the value. With its four bolt main block, nodular iron crankshaft, PM steel connecting rods and light but strong cast aluminum pistons, this engine screams durability. Add to the strong foundation a pair of 64cc Vortec cast iron cylinder heads and a dual pattern camshaft with just a bit of a “lumpy” idle, and you've got the muscle car small block that you've been looking for. Dressed to impress with chrome valve covers and timing cover, this engine will look great between the fenders of your favorite street rod, muscle car or grass roots racer. The cylinder heads on this great little performer use 1.94” intake and 1.50” exhaust valves that are sprung with 1999 L31 valve springs. The 64cc chambers yield a healthy, but streetable 9.1 to 1 compression ratio. The cam is a modern dual pattern interpretation of the old 1965 to 1967 Corvette 327 cam. But with more lift and duration on the exhaust side, it does a better job of clearing exhaust from the combustion chamber. We also decreased duration and lift ever so slightly on the intake side to build more cylinder pressure. The result is a cam that makes great torque and horsepower with the 350 HO’s 9.1 to 1 compression ratio. Add the new dual plane intake manifold P/N 12366573, 600 cfm carburetor, HEI distributor, torsional damper, water pump and exhaust manifolds or headers and you've got an outstanding muscle motor with a broad, smooth torque curve and an honest 330 horsepower. This manifold has four bolts, not six to attach it to the cylinder head. Older six-bolt manifolds will not fit the new Vortec heads. The 350 HO is not intended for marine use, and should only be used in 1973 and earlier Pre-emissions street vehicles. |
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330 HP, 350 HO DELUXE DESCRIPTION | |
P/N 12496968The 350 HO Deluxe takes the value leading 350 HO a step further by adding carburetor, distributor, water pump, torsional damper, and auto trans flexplate. This enhancement to the Vortec cylinder head 330 horsepower 350 HO makes it easier than ever to re-power you 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 to 1 compression ratio, it’s pump gas friendly, and with its muscle car idle it’s cruise night cool. With GMPP’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. This engine is perfect for your 1975 or older vehicle or any off-road usage. Note: The 14” Chrome air cleaner and red plug wires are not shown in the picture. |
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Some of the parts included in addition to what comes on the 330 HP 350 (P/N 12486041) above are: Intake Manifold: 12496820, Distributor: 93440806, Water Pump: 12529305, Carburetor: 12497147, Intake Manifold Gasket: 12529094, Intake Manifold Bolts (8): 12550027, Air Cleaner: 14” Chrome, High-Performance Design 12342080, Plug Wires: 12361057, Chrome Oil Filler Cap: 12341933 This does not come with a PCV valve, PCV valve tube, or oil breather cap as some have listed on their web sites. The tube and PCV valve in the GM released picture above is incorrect as well as the yellow ring handle oil dipstick. The picture in the 2006 GMPP catalog is correct. CAR CRAFT Magazine Article |
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350 HO TECHNICAL INFORMATION | |
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| Horsepower: | 330 @ 5000 RPM | Torque: | 380 Ft. Lbs. @ 3800 |
| Max. Rec. RPM: | 5500 | Comp. Ratio: | 9.1:1 |
| Rocker Arms: | 10089648 1.5 ratio | Crankshaft: | 14088527 Nodular cast iron. |
| Connecting Rods: | 10108688 PM steel. | Pistons: | 12361371 Cast Aluminum. |
| Piston Rings: | 14089025 | Timing Chain: | 14087014 |
| Intake Valves: | 10241743 1.94” | Exhaust Valves: | 12550901 1.50” |
| Valve Lash: | Zero | Ignition Timing: | 10 BTDC @ 700 RPM |
| Valve Springs: | 10212811 | ||
| Block: | 10105123 Cast Iron 4 bolt main with 1-piece rear seal. | ||
| Camshaft: | 24502476 Lift: .435” I, .460” E. Duration @ .050: 212° I, 222° E | ||
| Cylinder Heads: | 12558060 Cast Iron 64cc Vortec combustion chambers. | ||
| Spark Plugs: | R44TS [email protected] (300 HP 350), 41-932 [email protected] (330 HP 350). R44LTS [email protected] (330 HP 350) | ||
| Technical Notes: Engine ID code is CC. Requires a counterweighted flywheel or flexplate, 10105832, 14088646, 14088650, 14088765, or 12554824. See flywheel chart. Requires torsional damper 6272221 (6.75”) or 12555879 (8”). oil dipstick located on right side. 600 cfm carburetor recommended. Chrome valve covers and timing cover included. Intake manifold, distributor, flywheel, torsional damper, water pump, and exhaust, manifolds are not included. Distributor P/N 93440806 or melonized distributor gear P/N 10456413 must be used on this crate engine because of the steel camshaft. | |||
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Chevrolet 330 HP, 350 HO OPTIONS | |
| Options | Price | *Labor | |
| A |
Intake Manifolds 1 - Edelbrock Performer Intake P/N 2116 (Order as A1) 2 - Edelbrock Performer RPM Intake P/N 7116 (Order as A2) 3 - GM P/N 12366573 (Holley Carb Flange) (Order as A3), was used on the original 330 HP 350 HO Deluxe. 4 - GM P/N 12496820 (Dual Pattern Flange, Holley or Quadrajet-style Carbs) (Order as A4) |
$141.43 $154.49 |
$30.00 $30.00 $30.00 $30.00 |
| B | Intake Gaskets and Bolts. | $31.75 | None |
| C |
Torsional Dampers (Harmonic Balancers) 1 - 8” GM Damper (Order as C1) 2 - 7 1/4” Street Fluidampr (Order as C2) |
$65.00 $149.95 |
$20.00 $20.00 |
| D |
Manual Transmission Flywheel 1 - 14” 168 Tooth (Order as D1) 2 - 12 3/4” 153 Tooth Lightweight (Order as D2) 3 - Bolt Kit for either flywheel above. (Order as D3) |
$185.00 $251.60 $8.16 |
$10.00 $10.00 None |
| E | Automatic Transmission Flexplates 1 - 12-3/4” 153 Tooth Automatic Flexplate (Order as E1) 2 - 14” 168 Tooth Automatic Flexplate (Order as E2) 3 - Automatic Flexplate Bolt Kit. (Order as E1) |
$65.00 $65.00 $11.16 |
$10.00 $10.00 None |
| F | Air Cleaners 1 - 14” Chrome 12342080 (Proform 141-307) (Order as F1) 2 - You can also chose from any other Proform air cleaner. |
$37.50 Call |
None Call |
| G | Oil Filler Caps and Oil Breathers 1 - Chrome Bow Tie oil cap and breather kit. Included Grommets. (Order as G1) 2 - Oil Filler Cap, GM 12341993 (Proform 141-630), chrome plated, push-in (Order as G2) 3 - Breather Cap, GM 12341989 (Proform 141-616), chrome plated, push-in, 3” diameter (Order as G3) |
$16.00 $6.95 $8.95 |
None None None |
| H | Oil Filter Adapter This adapter is required for mounting an oil filter on the 330 HP 350 HO. The 330 HP 350 HO does not come with this adapter or an oil filter. 1 - Oil filter adapter kit P/N 03952301. (Order as H1) 2 - Oil filter adapter bolt P/N 03951644 (Order as H2) Two bolts required to mount adapter. (single bolt) |
$26.95 $.90 |
None None |
| I |
Distributors 1 - GM HEI Distributor (Order as I1) 2 - Proform HEI Distributor (Order as I2) 3 - GM HEI Distributor Bolt and Clamp (Order as I3) |
$195.00 $125.00 $4.80 |
** ** None |
| J |
Water Pumps 1 - Aluminum Short (Order as J1) 2 - Aluminum Long (Order as J2) 3 - Cast Iron Short (Order as J3) 4 - Cast Iron Long (Order as J4) |
$165.00 $165.00 $65.00 $65.00 |
None None None None |
| K |
Starters 1 - Gear Reduction Starter (Order as K1) 2 - Gear Reduction Starter, Factory Style (Order as K2) |
$177.00 $225.00 |
None None |
| L | Brackets 1 - Throttle Cable Bracket and Transmission Kick Down Brackets (Call us to order.) 2 - March aluminum pulleys, brackets. (Call us to order.) |
Call Call |
Call Call |
| M | Fuel Pumps 1 - Chrome mechanical fuel pump kit. Includes all parts to mount fuel pump. (Order as M1) |
$85.00 |
None |
| N |
Dyno Testing, Break-In Calibration: Your engine will be completely tested and broke in (ready to run). Carb jetting distributor calibration set to a premium performance level. Includes a video of your engine on the dyno, with one test run. You will also receive dyno sheets showing power and torque output. |
None | $495.00 |
| O |
Carburetors: We can supply stock out of the box or Chevrolet tuned carburetors. The two carburetors listed are the most commonly asked for. 1 - 1406 Edelbrock Performer series (Order as O1) 2 - GM 12477147, Holley 600 carb. #0-80457S with vacuum secondary and electric choke. (Order as O2) |
$244.95 $235.00 |
None None |
| P | Rocker Arms GM Roller Rockers, self aligning style. (Order as P1) Comp Cams Roller Tip Rockers (S/A) (Order as P2) |
$285.00 $145.00 |
$60.00 $60.00 |
| Q |
Plug Wires or Wires and Loom Kits 1 - Ignition Wires and Looms (Order as Q1) 2 - Factory Style Ignition Wires and Looms, Installed Only (Order as Q2) 3 - GM Plug Wires 12361057, GM Performance Parts Logo, 90° Boots (Order as Q3) |
$95.00 $175.00 $81.26 |
$30.00 $30.00 $30.00 |
| R | ZZ4 Oil Dipstick Tube And Oil Level Indictor (Dipstick). For header applications. See 350 HO Problem With Dipstick Tube And Headers. Price is for Non-Exchange which means you get both the 350 HO set and the ZZ4 set with your purchase. ZZ4 set includes: 12551144 (Indicator), 12551154 (Tube), 09439930 (Bolt). | $24.50 | None |
| S | Oil Filters 1 - GM / ACDelco 25160561 / PF1218 (Long) (Order as S1) 2 - GM / ACDelco 25324052 / PF454 (Short) (Order as S2) |
$7.95 $7.95 |
None None |
| Note * - This is the additional cost if we install the item. Note ** - You must purchase an intake manifold. Option A or B, for us to install this. |
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| Options listed above and highlighted in yellow come with the 330 HP 350 HO Deluxe. | |||
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