Valve Cover Gasket Part Number? - L20B Eninge

[Mike Phillips]

Hi all,

 

Going to take the valve cover off to locate TDC on the firing stroke for Number 1 piston and want to get a new gasket and need a part number.

 

I don't know what car or truck this engine came out of so when I tell the NAPA counter person what I'm looking for they ask me for the vehicle type and year which I don't know and that's as far as we get.

 

Also want to replace the compression washers for the Banjo fittings for the cooling lines on the automatic tranny if anyone knows the part number for that.

 

thanks,

 

Mike

[datzenmike]

All 4cy; L series valve cover are the same gasket.

[Mike Phillips]

Thanks,

 

 

To keep things real simple for the counter person, what year did the L20B first come out in a truck?

 

 

:)

[dat521gatherer]

dude your on a datsun site. you should list your datsun in your profile.

[Mike Phillips]

dude your on a datsun site. you should list your datsun in your profile.

 

Sorry about that, when I joined I didn't own the Datsun truck I have now, I was looking for one and within days of joining purchased the truck.

 

I will update.

 

:)

[banzai510(hainz)]

Schucks.kragon.Checker will carry a Felpro brand gasket.

any Datsun L series gasket will fit.

 

read and save this

http://olddatsuns.com/620tech.htm

[ppeters914]

What Hainz said. Although the head may have been swapped, which one do you have? That'll help narrow the year range. For example, my L20b has a W58 head, so I just look for stuff for a '78.

[Mike Phillips]

***Update***

 

Stuck a plastic drinking straw in Number ! spark plug hole and rotated engine over until straw maxed out in outward movement and timing marks on lower pully were in the area of where the timing mark tab would be located on the passenger side.

 

Noted position of rotor in distributor and installed spark plugs in the correct firing order.

 

Turned key and engine tried to start one time. Tried a couple more times with starting fluid and nothing happening.

 

Held onto spark plug with wire attached and turned motor over and no spark. Appears the points were good for one last fire.

 

Replaced points with used set out of old engine, (filed clean and lubed), guessed at point gap, assembled and tested.

 

Engine fired right up. Got out timing light and since I have no timing mark tab I removed vacuum hose and guessed at timing. Sounds good and so far runs good. Will order a timing mark tab and probably order a Pertronix Ignitor instead of messing with points and condenser.

 

Thank you to everyone for their help with this and A+ on the online video, very informative. Hope I won't need to watch it in the future as I hope this engine just keeps chugging along.

 

Fingers crossed.

 

:)

[ppeters914]

Excellent! Bet someone has a matchbox dizzy for roughly the same a Pertronix will cost ya.

[banzai510(hainz)]

PS the later L20b had a single point distributor but there is a ring above the point lobe that needs to be machine off

The Pertronix is listed for a 68-69 L16 so the 1741 Pertronix will only work in the L20b dizzy if the ring above the point lobe is machined off

So be careful not to order stuff untill you research this better.

[hang_510]

Held onto spark plug with wire attached and turned motor over and no spark. Appears the points were good for one last fire.

 

you definetly woulda know if it was good doing this :eek: