set timing on 1991 c2500 5.7 liter
The Chevrolet 3.1 liter V6 does not have a timing belt. It has a timing chain.
Your 1991 Mercury Topaz 2.3 liter has a timing CHAIN
Click set while radio is off an use the volume and tune for the hour and minute.
timing chain
No Belt=It has a Timing Chain.=
The 3.8 liter V6 engine in a 1991 Mercury Cougar has a timing CHAIN
You could check the block serial number at mortec.com, but it's probably 4 bolt.
If you mean ignition timing it will be 10 degrees BTC.
12degrees btdc
no
According to the Gates website the 3.0 liter V6 engine in a 1991 Infiniti M30 has a timing BELT
Yes , the 3.0 liter V6 engine in a 1991 Nissan Maxima has a timing BELT ( P.S. - it is also an interference engine )