Offshoreonly.com - 1996 7.4 Mercuriser Tach Settings

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jimmie

08-27-2009 01:28 AM

1996 7.4 Mercuriser Tach Settings

MY tach is reading 3400 rpms and gps says 42 mph , their are tach setting on the back of the tach like 864 and pulse settings which settings should i be using its a mercruisere tach any help would be appericated thanks james

blr	08-30-2009 05:10 AM

Just my opinion, but I would say you should be using the #8 setting as this refers to 8 cyl.

c_deezy

08-30-2009 05:33 AM

3400 rpm and 42mph sounds about right. And yes you want it on 8. The 8 6 4 refers to the cylinders.

89Mach1

08-30-2009 05:44 PM

That's pretty close to what I'm running, 3600 and 41-44 on GPS depending. 97 454/330hp

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