Identifying the model type

44 thousandths of an inch, according to this, but the search query of

year make model spark plug gap
would confirm.

What is the spark plug gap for a 1987 145.8cid nissan hardbody

https://www.fixya.com > ... > 1987 Nissan Pickup

Nov. 14, 2019 - The gap is 0.044 in. Posted on Nov 01, 2009. 0. Testimonial: "Thanks ...
Spark plug gap for 1987 Nissan Pickup, Z24 engine - Fixya
Nov. 20, 2019
Spark plug gap - Fixya
Sep. 2, 2019
SOLVED: What is the spark plug gap for an 87 pathfinder ...
Jan. 20, 2018
Spark plug gap nissan z24 - Fixya
Nov. 21, 2019
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Locate the lock-down bolt on the distributor if you wish to adjust the ignition timing. This bolt should be located at the base of the distributor housing. Loosen the lock-down bolt with a wrench and disconnect the distributor vacuum hose from the distributor housing.
https://itstillruns.com/time-nissan-z24-7931964.html

Maybe a safety device to keep from blowing your motor like the ford rangers and other vehicles have on them. It's a rev limiter.

750 Automatic and 820 Stick!

Go to www . rockauto . com - Select Nissan - Pick Year 1983 - Pick Pickup - Choose Engine Size 2.0L L4, 2.2L L4, 2.2L L4 DIESEL 2.4L L4 or 2.5L L4 DIESEL. Then type in the part that you need "Transmission Bushing" You probably have a Standard Transmission and probably need a Clutch Pilot Bushing. The cost runs between $0.87 cents to as high as $1.42

987 Nissan/Datsun Truck D21 Truck 2WD 2.4L FI 4cyl

The Mass Air Flow Sensor is located: Under hood, driver side, front engine area, mounted on rear side of air filter housing

Guys he has a Z24, Not KA24, Z24 for one, Is carbed and has older lifters and valves. They need to be tuned to spec within a certain specific limit and the cams must be rotated in certain positions when doing different valves, etc... Shouldnt take very long normally and its not a hard process but if you have a tick, you really should get it checked out. Btw, the Z24 engine's idle isnt controlled by ecu at all or else the carb wouldnt need an idle adjustment screw.

blown head gasket between cylinder 2 and 3 ck compression

See if you can find a Haynes manual ISBN 1 56392 410 2 This covers the 1980 through 1997 models. There are several different hose diagrams depending on the version you have. There is a California model, a federal model, and a high altitude model.

The hose diagrams are in section 6, around page three in the book I have.

ck compression sounds like a blown head gasket between 2 of the cylinders