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The following is a cut and paste from General Motors Performance Parts Crate motor page without the cool graphic. This is what Jeg's is selling. A GM Good Wrench Target Master motor designed by GM to be so cheap that it would put all engine rebuilders out of business. Notice the accent is upon cost not reliability (one year warranty only) or performance. Cheap transportation only.

12499529
350 Crate Engine 290 HP HO
SKU: 12499529
RETAIL: $2,284.29
PRICE: $1,678.99

350 Crate Engine 290 HP HO 12499529

Description Our lowest priced Performance crate engine. Quite simply, the 290 HP 350-cubic-inch is the best small-block crate engine value offered by GMPP! With 290 horsepower and 326 lb.-ft. of torque, it makes a great replacement engine for countless GM vehicles, while its all-new construction provides peace of mind over salvage and rebuilt engines. The 290 HP is packed with good stuff, too, starting with the four-bolt-main block, aluminum pistons, and a hydraulic camshaft. The durable iron cylinder heads process healthy amounts of air to deliver strong torque across the rpm range and great mid-range horsepower. Delivered as a long block assembly, you add items like an intake manifold, carburetor, ignition system, starter, balancer and water pump—all available from GMPP. Build it up to suit your needs, as the economical 290 HP will leave plenty of change on the table! Our lowest priced crate engine. This HP 290/350 is the best value crate engine from GM Performance Parts, with 290 horsepower @ 5100 RPM, and 326 lb-ft. of torque @ 3750 RPM on 87 octane fuel.

The HP 290 horsepower will provide great durability because of its 4-bolt mains, PM steel rods, strong cast aluminum pistons. The camshaft has .450" intake and .460" exhaust lift with hydraulic flat tappets. The cast iron cylinder heads have 1.94" intake and 1.50" exhaust valves wit 76 cc combustion chamber. These heads have the conventional 90 degree with 12 bolt intake manifold attaching design used from 1955 thru late 1980 12 bolt postion @ 90° to the intake/head flange.

This engine was designed to work with the following components:
intake manifold 10185063.
HEI distributor 93440806.
balancer 12551537.
flex plate 471529.
Bolt on the starter, water pump, fuel pump, and your ready to run.

This 350 engine is not intended for marine use, and should be used in 1979 and earlier pre-emissions street vehicles or any off road usage.
 

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Years ago, I heard it was advisable with these targetmaster motors to go ahead and void your warranty by pulling the pan so you can pull torque on the rods and mains....
maybe it's different now.
 

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This motor is fine for a winter beater or just some basic transpertation. I wouldn't recomend using it for a performance build. (even though Hot Rod or Car Craft did a feature last year or so)
Larger Dave said:
The following is a cut and paste from General Motors Performance Parts Crate motor page without the cool graphic. This is what Jeg's is selling. A GM Good Wrench Target Master motor designed by GM to be so cheap that it would put all engine rebuilders out of business. Notice the accent is upon cost not reliability (one year warranty only) or performance. Cheap transportation only...
Larger Dave Last I checked most performance engine builders don't offer any warranty. Yes there are some larger builders that are starting to offer this option.
 
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