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richard holdener poses with an l99 engine on a dyno

TPI the L99! The 4.3L “Baby LT1” V8 Gets Torque

What the heck is an L99? We know GM uses these alphanumeric designations to label its many engine configurations, some of which were more notable than others. For instance, most […]
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GM L99 Engine Upgrade Guide

L99 6.2L Engine Upgrade Guide: Expert Advice for L99 Mods to Maximize Performance

[Editor’s Note: This L99 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at […]
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GM L99 Engine, LS Engine Guide

L99 6.2L LS Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

The L99 is a 6.2L, Gen. 4, small block engine used in the Chevy Camaro SS from 2010-2015. The information listed here is for a stock L99 engine. Mechanically similar, General […]
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