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...  Chevrolet - DUAL-FOUR DELUXE 350 HO      Chevrolet took the GMPP’s 350 HO Deluxe and gave it more power, bang for the buck, and stylish class. The Edelbrock Dual-Quad intake, dual 500cfm carbs, dual-quad air cleaner with an K&N air filter give it all three things at once, looks, performance, and still easy on your pocket book. (This is a Chevrolet exclusive engine.)      Keys - scperformanceeng, gmperformanceeng, or gmgoodwrencheng for SC, GM, or Goodwrench engines. Use allengine for a complete list of all three. Chevrolet SITE STATS Chevrolet WEBSITE RANKING Use sallee-chevrolet.com in rankings search.

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GM and Chevrolet part prices are in the Price & Parts search. Keys are to be used with the Price & Parts Search. Enter a Key, part number, GM, SC, or a key word, like 502, into the Price & Parts search to see if we have it on our site. Use GM for a list of both GM and GMPP parts. Use SC for a list of all Chevrolet exclusive parts. Aftermarket company prices are on downloadable Price Sheets or on their pages. The Page Search is for searching the pages of our Web site. More information on this is on our help page.

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
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)

Chevrolet’S DUAL-FOUR DELUXE 350 HO DESCRIPTION

DUAL-FOUR Deluxe 350 HO 358 HP @ 5,200 RPM, 394 FT/LBS @ 4,200 RPM - P/N SC350HO24
Type the part number in the Price Search for price.
Parts highlighted in yellow denote parts that are upgraded or added to the 350 HO Deluxe to make our Dual-Four 350 HO Deluxe.
The Dual-Four Deluxe 350 HO was designed as an economical Dual-Quad carbureted engine that would not only impress anyone looking under the hood of your vehicle, have comparable performance to the some of the more expensive engines, but also priced in an affordable price range for almost everyone. Use the link in the 350 HO Navigation above for more information on the 350 HO and 350 HO Deluxe engines. Nice you say, but not quite what you had in mind. Call and talk to one of our counter sale people about it. Chevrolet’s Race Shop can make just about any modification you need to the below design or any of the 350 HO based engines including making it into a complete turnkey engine that’s ready to drop into your vehicle.

DUAL-FOUR DELUXE 350 HO TECHNICAL INFORMATION

Horsepower:	358 @ 5,200 RPM
Torque:	394 @ 4,200 RPM
Max. Rec. RPM:	5,500 RPM
Comp. Ratio:	9.1:1
Block:	GM P/N 10105123, Cast Iron, Four Bolt Main, 1-Piece Rear Main Seal
Crankshaft:	GM P/N 14088527, Nodular Cast Iron
Connecting Rods:	GM P/N 10108688, PM Steel
Pistons:	GM P/N 12361371, Cast Aluminum
Piston Rings:	GM P/N 14089025
Camshaft:	GM 24502476 Lift: .435” I, .460” E. Duration @ .050: 212° I, 222° E
Timing Chain:	GM P/N 14087014
Timing Cover:	Chrome GM Bow Tie. Includes Chrome Timing Pointer.
Lifters:	GM P/N 05232720, Hydraulic Flat Tappet
Cylinder Heads:	GM P/N 12558060, Cast Iron 64 cc Vortec Combustion Chambers
Head Gaskets:	GM P/N 10105117, Composition With Stainless Steel Faces, .028” Compressed Thickness
Intake Valves:	GM P/N 10241743, 1.94”
Exhaust Valves:	GM P/N 12550901, 1.50”
Valve Springs:	GM P/N 10212811
Rocker Arms:	GM P/N 10089648, Stamped Steel, Self-Aligning, 1.5 Ratio
Starter:	Not Included. Call and ask our counter sales people for options if you need one.
Flex Plate:	GM P/N 14088765, 153 Tooth Automatic Transmission Flywheel, 12 3/4” Diameter
Water Pump:	Not Included. Call and ask our counter sales people for options if you need one.
Spark Plugs:	AC R44LTS
Fuel:	92 Octane
Oil Pan:	GM 12533513, 5 Quart
Oil Filter:	PF35, Includes Adapter and Bolts
Valve Cover:	GM 12355350 (Proform 141-107) Chrome Bow Tie. Includes Chrome Breather.
Valve Cover Gaskets:	GM P/N 10046089
Damper:	GM P/N 12555879, 8” HD or P/N 12551537 6.75" used for more clearance.
Intake Manifold:	Edelbrock P/N 5426, C-26 Dual-Quad, Low Profile
Carburetor:	Two Edelbrock P/N 1404, 500cfm, Square-Flange, Manual Choke
Air Cleaner:	Edelbrock P/N 1235, Oval, K&N Air Filter, 18 Gauge Triple Chrome-plated Steel
Air Cleaner Linkage:	Edelbrock P/N 7094, Dual-Quad Progressive Linkage Kit
Carb Fuel Line:	Edelbrock P/N 8088, Dual-Quad Fuel Line Kit
Distributor:	Mallory P/N 4248201, Ready-To-Run, Billet Housing, Magnetic Breakless Ignition
Distributor Coil:	MSD P/N 8207, Blaster 2, Firewall Mount Style
Wire Looms:	R&M P/N 1120-P, Polished Aluminum
Spark Plug Wires:	Moroso P/N 73219, 8mm Spiral Core
Notes:      Parts as well as prices and specifications are subject to change. Please call and talk to one of our parts salespersons prior to ordering for the most current information.      Yellow highlighted parts are parts that are upgraded, added to the GMPP 350 HO Deluxe (330 HP) to make the Chevrolet Dual-Four Deluxe 350 HO (358 HP).

DUAL-FOUR DELUXE 350 HO OPTIONS

Options		Price	*Labor
A	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	$450.00
B	7890 Gear Drive	$165.00	$90.00
C	ZZ4 Oil Dipstick Tube And Indictor Dip Stick. 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: P/N 12551144 (Indicator), P/N 12551154 (Tube), P/N 09439930 (Bolt).	$18.53	None

DUAL-FOUR DELUXE 350 HO DYNO RESULTS

RPM	Torque	HP	RPM	Torque	HP	RPM	Torque	HP	RPM	Torque	HP
2286	357	155	3200	374	228	4000	391	298	4800	376	343
2400	361	165	3300	374	235	4100	393	306	4900	371	346
2500	365	174	3400	374	242	4200	394	315	5000	365	348
2600	370	183	3500	376	250	4300	392	320	5100	358	348
2730	373	194	3600	381	261	4400	388	325	5200	361	358
2856	376	204	3700	385	271	4500	385	330	5300	374	351
3000	377	215	3800	389	282	4600	382	335	5400	340	350
3100	374	221	3900	391	290	4700	378	338	5488	333	348
Note: Results were obtained using 4248201 Mallory HEI distributor, Edelbrock 1404 carburetors, and Edelbrock 5426 intake manifold.