Thread: LM1 Crate Engine - Anyone Know the Specs?

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Originally Posted by HWORRELL

Heres what I found on it....Looks like its the stock truck replacement engine..

Have you heard about the GM Goodwrench Crate Engine 350? All new components assembled into a NEW 4 – bolt main block. Not Remanufactured / Not Rebuilt! An all-new 350 Chevy engine backed by the best warranty in the USA!

Engine Name: 350 LM1
Horsepower: 249 HP @ 5,000 RPM
Torque: 304 Ft/Lbs @ 3,500 RPM
Compression Ratio: 8.50 to 1
Block: 4 – Bolt, 2 Piece Rear Seal, 4.000” Bore
Crankshaft: Cast Nodular 3.480” Stroke
Heads: Cast Iron, 76cc
Valves: 1.940” / 1.500”
Camshaft lift: 0.390” / 0.410” Hydraulic
Duration @ 0.050”: 195° / 202°
Intake: Not Included

This engine can also be used in 1986 model pick-ups. The flexplate (flywheel) must also be changed. Use flexplate #471598.

Thanks! Where did you find that info?

I don't remember the link,but all I did was google " LM1 crate engine specs"
and came up with a buncha sites...