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My 1971 521


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#41 banzai510(hainz)

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Posted 16 November 2016 - 10:06 AM

Hope you don't have to much OCD . Cause Datsuns at this age leak oil. Otherwise youll have to replace the head gasket if it really bothers you. Then next oil pan gasket. ooil sender switch may leak also. then the front and real seal.

 

 

I wish I had this truck!!!!!!!!!!!!!!!!!!!

 

 

I just leave my heater ON. as it don't put out much heat anyways but enough to keep me from freezing


Throw on some Weber sidedrafts, Rising Sun hood.... call it good

#42 d.p

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Posted 16 November 2016 - 10:08 AM

There is a good possibility that the truck is a "stock blue"  The paint looks to be in very good condition, but also it could have been repainted.  There is also a possibility that the truck lived a charmed life, and was garaged.   Are there some stickers on the top of the radiator support, one having some emission control information, and another with the paint code?

 

Yeah they are there but the paint code is blank where it usually would be.  

 

I couldn't find any evidence of a respray either but I am not a professional by any means.  

 

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#43 d.p

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Posted 16 November 2016 - 10:11 AM

Hope you don't have to much OCD . Cause Datsuns at this age leak oil. Otherwise youll have to replace the head gasket if it really bothers you. Then next oil pan gasket. ooil sender switch may leak also. then the front and real seal.

 

 

I wish I had this truck!!!!!!!!!!!!!!!!!!!

 

 

I just leave my heater ON. as it don't put out much heat anyways but enough to keep me from freezing

 

 

Going to make you wish had it even more because 99% of seals have already been replaced... head gasket the only that wasn't.   

 
New seals including rear main, timing cover, valve cover, valve stem, and oil pan (2010)
New oil pressure switch (2016)
New front main seal (2016)

 

So might as well do that one and button up whatever else I can find.   Also I think the heater is on already, but I would still like the switch to work.  What are people doing about radios in these?

 

 

More pics:

 

 

 

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#44 d.p

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Posted 16 November 2016 - 10:18 AM

These guys always have a ton of stuff on their website, though I've never purchased from them before.

http://www.new-datsu...ckup-parts.html

 

Yeah I emailed them already, waiting to hear back.  



#45 DanielC

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Posted 16 November 2016 - 11:43 AM

That is one of the best looking 521 trucks I have seen!  I know it is your truck, but if I had it, I would be trying to get it as close to factory showroom stock as possible.



#46 banzai510(hainz)

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Posted 16 November 2016 - 11:56 AM

Radios??????????

I keep MINE stock am radio.

 

I was hoping someone was going to steal it but all I get is other 521 AM radios thrown on the seat.

 

SO i guess its a anti thef device.

 

Really I tried to pull mine out and gave up . too much hassle and I listen to am radio in the morning anyways


Throw on some Weber sidedrafts, Rising Sun hood.... call it good

#47 d.p

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Posted 16 November 2016 - 12:50 PM

Haha. Well I would need a speaker for mine as its MIA.  

 

Found out today the wipers don't work so well, the move fine but only actually touch 1/3 of the glass.  Anyone recommend a good pair?  



#48 hobospyder

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Posted 16 November 2016 - 01:16 PM

Stock and or rain x

Lol you really think he would tell anyone, ahh yes Mr. Peterson I was taken a piss and everything got dark like there was an eclipse, when I look back to see what was making the shade when WHAM!! Cock hit me right in the face. I don't know whose it was but we could match up the bruise.

 

 

 

you assume i have any fucks

 

 

 

 

 


#49 banzai510(hainz)

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Posted 16 November 2016 - 01:49 PM

I run 16inch wipers.     Just the way it is on these.


Throw on some Weber sidedrafts, Rising Sun hood.... call it good

#50 DanielC

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Posted 16 November 2016 - 02:42 PM

The wiper arms on a 521 are just pushed on the post coming out of the cowl, and it is the same size as a lot of American cars.   Remember, the body dimensions of a 521 are measured in inches.

You can get new wiper arms at most any auto parts store, with a stronger (newer) spring.



#51 d.p

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Posted 17 November 2016 - 05:35 AM

Thanks, just wondering if there was a preferred brand for these, like bosch or some shit like that. 



#52 banzai510(hainz)

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Posted 17 November 2016 - 06:58 AM

I always like the Bosch Micro (ones made in Belguim ) but I rarely seem them, now most made in China. They were the best but EXPENSIVE..

 

Now I just buy a shit load of whatever brand when I order from Rockauto.com  just change them out more.


Throw on some Weber sidedrafts, Rising Sun hood.... call it good

#53 d.p

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Posted 17 November 2016 - 07:14 AM

Cool..but if the wiper isn't making contact with the windshield then I probably need new arms? Anco 41-03 looks to be the ones I need.   



#54 datzenmike

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Posted 17 November 2016 - 07:27 AM

There is a 1/32" hole in the top of the block oil gallery (directly above the oil pressure sender) that lines up with one in the bottom of the head to provide oil to the cam. It is extremely well sealed because the oil is under pressure. Head gaskets don't leak oil. They are just too well sealed.

 

Clean the engine and watch daily to see where it's coming from. Oil migrates far from the actual leak. It could be the front of the valve cover and it seeps and runs around to the sides pushed by gravity and wind. Could be the fuel pump gaskets. Could be a leaky oil pressure sender. Could be the seal in the top of the dip stick. Clean and spray down these areas with carb or brake cleaner and let dry. Every day inspect for oil wetness until you find it or them.... or just start replacing everything.


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#55 d.p

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Posted 17 November 2016 - 07:53 AM



There is a 1/32" hole in the top of the block oil gallery (directly above the oil pressure sender) that lines up with one in the bottom of the head to provide oil to the cam. It is extremely well sealed because the oil is under pressure. Head gaskets don't leak oil. They are just too well sealed.

 

Clean the engine and watch daily to see where it's coming from. Oil migrates far from the actual leak. It could be the front of the valve cover and it seeps and runs around to the sides pushed by gravity and wind. Could be the fuel pump gaskets. Could be a leaky oil pressure sender. Could be the seal in the top of the dip stick. Clean and spray down these areas with carb or brake cleaner and let dry. Every day inspect for oil wetness until you find it or them.... or just start replacing everything.

 

Valve cover and head are dry as a bone.  Its wet above the dip stick/oil pressure sender but below the head, well where the block and head and meet its wet too.  Its only wet below the red line so I doubt its the dipstick or oil pressure sender (just replaced).  

 

Will spray it down today and keep an eye on it. 

 

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#56 d.p

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Posted 17 November 2016 - 09:23 AM

Door hinges, passenger side upper hinge has the retainer clip thing that makes a horrible noise when opening the door.  

 

Drivers side doesn't have it all, can I just remove/cut it from the passenger side? 

 

Passenger:

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Driver:

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#57 xxmass

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Posted 17 November 2016 - 12:47 PM

Rear 3" blocks, bump stops removed. Front is torsion bars loosened all the way, bump stops replaced with Prothane 3/8 x 2"

universal bump stops (had to bore out the hole to mount the front bump stops.) Replaced 4 shocks with Monroe that were listed for Ford Pinto. 14x6 wheels with 205/55 tires. Sorry for throwing my picture on your thread. Hope it helps for ride height and wheel size reference

 

 

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#58 DanielC

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Posted 17 November 2016 - 12:58 PM

The "retainer clip" is actually a spring, that cushions the door coming against the hinge stop as the door is opened.  It is good thing to have.  put some grease on the inside of it, or better, clean the roughness off the inside of it, then grease it.

 

The drivers door had it, but part of it broke off.



#59 d.p

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Posted 17 November 2016 - 05:21 PM

No worries dude, but damn seems like a lot of work to get it low.  I would even want to go lower than you but not sure I want to do all that now.  

 

Whats the easiest way to clean the inside of that spring?  Do I need to take the door off the hinge?  



#60 Crashtd420

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Posted 18 November 2016 - 02:32 AM

I believe it's easy to remove that door clip without removing the entire hinge. If I remember right you can just take the 2 center bolts out...