The L31 truck engines featured Vortec Heads (considered the best flowing mass produced factory cylinder head) and a hydraulic roller cam setup from the factory. These are great (and cheap) building blocks suitable for a wide variety of projects.
AA Midwest (1-800-426-7881) not only supplies rebuilders with cores, but will ship them to shadetree mechanics as well. The cores go for around $300-$400.
If you know of other L31 core suppliers that will ship to joe private citizen, please add them to this post. thanks
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Rebuildable L31 Cores (96-02 350 Vortec Engines)
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Rebuildable L31 Cores (96-02 350 Vortec Engines)
by 70styleVega » Sat Sep 08, 2007 9:20 pm
Last edited by 70styleVega on Mon Sep 10, 2007 3:10 pm, edited 1 time in total.
75 Vega hatchback, EFI 5.3L/t350 swap kit, street/strip, budget build in progress
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1975 Chevrolet Vega
by ColinOpseth » Sun Sep 09, 2007 11:40 am
Nice.. that's reasonable and the GenIV engines are a great carburetion alternative, too. 
'72 Vega with '93 Camaro LT1/M29 T56/12 bolt 3.31. 16" IROCs all around. Sanderson headers into duals with an H-pipe and Flowmasters. It's loud but at least it's faster than your grandma's Buick. pwned.
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ColinOpseth - Posts: 2887
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1972 Chevrolet Vega GT
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