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Are LU5 and LG4 heads the same?

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Old

Sep 10, 2002 | 11:06 AM

#1

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From: Houston

Are LU5 and LG4 heads the same?

If not, are the LU5 heads worth a crap?

Old

Sep 10, 2002 | 12:35 PM

#2

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From: Littleton, CO USA

Car: 82 Berlinetta/57 Bel Air

Engine: L92/LQ4 (both w/4" stroke)

Transmission: 4L80E/4L80E

Axle/Gears: 12B-3.73/9"-3.89

Pull a valve cover, check the casting #. Probably 416, which means they are worth treating to normal bowl/porting work.

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305, casting, engine, good, head, heads, lg4, lu, lu5

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