help needed Thunderbolt V ignition timming

chamm63

Cadet
Joined
Sep 22, 2008
Messages
28
HI ALL
I HAVE A 1996 Mercruiser 5.7l Alpha
THAT I HAD TO PUT A NEW ICM Module Conversion Kit
IN AND WANTED TO KNOW
HOW DO YOU SET THE BASE TIMING ON IT AND WHAT DO SET IT AT?

THANKS CHUCK
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,110
Re: help needed Thunderbolt V ignition timming

HI ALL
I HAVE A 1996 Mercruiser 5.7l Alpha
THAT I HAD TO PUT A NEW ICM Module Conversion Kit
IN AND WANTED TO KNOW
HOW DO YOU SET THE BASE TIMING ON IT AND WHAT DO SET IT AT?

THANKS CHUCK

Ayuh,.... Welcome Aboard Chuck,.... No reason to be YELLIN' at Us,....

Got a serial number for this motor,..??
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: help needed Thunderbolt V ignition timming

8? BTDC at idle rpm is what you set the timing at.
here are the instructions for setting the TB5 timing.

TB5 Timing.jpg
 
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