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Lingenfelter L460065397 Lingenfelter TRG-002 58x Trigger Conversion Module v1.6 User Manual

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Camshaft timing gears:

A - Single bolt 4X camshaft gear from a 2007-2009 LS2 or

LS3 engine. GM part number 12591689.

B - Three bolt 4X camshaft gear from a 2006 LS2 Corvette

or from a 2006-2009 LS7 Corvette engine. GM part

number 12586481.

C - Three bolt 1X camshaft gear from a 2005 LS2 Corvette

or a 2005-2006 LS2 GTO/SSR/Trailblazer engine. GM

part number 12576407.

D - Three bolt camshaft gear from a 1997-2004 LS1, LS6

or other Gen III V8 engines. No reluctor teeth are

on the timing chain gear since the camshaft position

sensor is at the back of the block and senses the

camshaft speed from the reluctor machined into the

back of the camshaft itself. GM part number 12552953.

Crankshaft reluctor wheel images:

Left image - 24X crankshaft reluctor wheel

found on all Gen III V8 engines (LS1, LS6,

LQ4, LQ9) and early Gen IV V8 engines

(2005 LS2 Corvette, 2005-2006 LS2 GTO,

2005-2006 LS2 SSR). GM part number

12551520 or 12559353.

Right image - 58X crankshaft reluctor wheel

found on later Gen IV V8 engines (2006-

2007 Corvette LS2, 2006-2009 Corvette

LS7, 2008-2009 Corvette LS3 etc.). GM part

number 12586768.

Not shown - LS9 58X crankshaft reluctor wheel.

This reluctor wheel is smaller and diameter

and requires a different sensor.

GM Gen III And Gen IV V8 Crankshaft and Camshaft Reluctor Wheel Images

GM Gen IV front timing cover with

sensor and jumper harness:

TRG-002 connects to

sensor here.

TRG-002 does NOT

connect to GM jumper

harness (remove harness

and bracket).