TEST RESULTS

GLM's NEW MANIFOLDS - NEW TEST RESULTS - 2011
Gain of 12 HP over Stock

Date: January 2011
Location: Wyotech - Daytona, Florida
Method: DynoTest
Engine: GM V8 Big Block 454 CID MerCruiser 8.75:1 Compression

GLM's MANIFOLDS - INITIAL TEST RESULTS - 2001
6 Seconds Faster Planing

Date: September 2001
Location: Lake Elsinore, California
Weather Condition: Calm
Method: On Water Test
Engine: GM V8 350 CID
Operational Condition: 2 persons with full fuel tanks