timing set up

[nissan720]

is it possible to set the timing on z24 1985 model without taking the cover off? had a head gasket put on mine. it want pick up any speed and it backfires through the car. another shop said the timing might be off a little.

[datzenmike]

Ignition timing? Unless the front timing cover was off when the head gasket was changed (and only if a mistake was made does this need to be done) the timing will not have changed from before the changed gasket. Easy enough to use a timing light to check that the timing is correct at 3 degrees Before TDC. 

 

There's 8 plug wires and easy enough to get two switched around. I mixed up pair of wires might cause backfiring through the carburetor.

 

 

 

Does it drive? Or does it backfire when trying to start?

[banzai510(hainz)]

did somebody take the plugs wires off? and maybe they put on wrong since this is a dail plug head. frnt to back .

 

if the front timming cover was off then maybe the oil pump is put in a tooth off.

 

However have you put a timing light on there to check?

Edited September 23, 2022 by banzai510(hainz)

[datzenmike]

The wires definitely had to come off to get the head off.  As long as the timing cover was not off the distributor can't be wrong or put back in wrong.

 

Who ever did the head gasket needs to be asked if they dropped the tensioner and had to take the front end off to fix that fuck up. That would be the oil pump and the distributor out and maybe put in advanced or retarded.

 

Check the ignition timing, that will tell you.