Jump to content

IGNORED

More living room furniture


Recommended Posts

Pulled the F54/P79 out of the parts car finally. Not sure how I want to build it yet. Whether stock or some moderate performance gains.
 
The '80ZX I have on the road now doesn't need rebuild yet, but I believe I've read that the N47 head on that car with a more aggressive cam coupled with the F54 would produce some good performance gains.
 
For now I will break it apart and see what's what. It'll be my 1st L series rebuild.
 
I will be getting ahold of the how to rebuild your Nissan/Datsun L series book for sure. IMG_20180309_162002.thumb.jpg.75e7b45ade36cd99a4f4ccbc4fa55ae5.jpgIMG_20180309_161745.thumb.jpg.60c3232453a44f832c1e942630fd8c9c.jpgIMG_20180309_144644.thumb.jpg.d761876efef563cd668c90faa09a2f1b.jpgIMG_20180307_175932.thumb.jpg.1431ea3be8fa57c9a043723655324ccc.jpg
 
Sent from my [device_name] using http://Classic Zcar Club mobile
 
 


  • Like 1
Link to post
Share on other sites

If you read up on the p79 head that Eliji has done for Guy you see it's easy and a straight forward head to modify. Shave the head and put pre '79 valves with a descent cam from what I understand. I think if you google "diseazed motor rebuild classiczcars.com" you should find it.

With that book it was fun and motivating for me, I couldn't wait to start the next phase. He writes like that, one project at a time.

Start buying parts now with any extra money you might have.

Advance Auto has 25% off coupon codes on retailmenot.com

That saved me a good bit of money! Also have some Nissan part numbers that will help, their parts are magically superior and should be used at every turn when possible.

Glad you're doing a doing a build,  we'll have some good conversations that end well for a change. LOL

  • Like 1
Link to post
Share on other sites

The car that engine came out of made it home about 35 miles south of where I live under its own steam. Albeit with poorly functioning electronics.

At least the fuel injection computer was operating properly. So I know its a good start because it isn't seized or excessively dirty.

I'll read up on that post for sure. The options are pretty wide open and I'll be sucking up all the input I can get.

Pretty stoked to get overwhelmed and put practical info to use.

I'll get no sleep tonight.

Sent from my [device_name] using http://Classic Zcar Club mobile

Link to post
Share on other sites
On 3/9/2018 at 7:22 PM, Reptoid Overlords said:

The car that engine came out of made it home about 35 miles south of where I live under its own steam. Albeit with poorly functioning electronics.

At least the fuel injection computer was operating properly. So I know its a good start because it isn't seized or excessively dirty.

I'll read up on that post for sure. The options are pretty wide open and I'll be sucking up all the input I can get.

Pretty stoked to get overwhelmed and put practical info to use.

I'll get no sleep tonight.

Sent from my [device_name] using http://Classic Zcar Club mobile
 

Here's a great read on the p79 mod. 

http://datsunzgarage.com/p79/

Link to post
Share on other sites
18 minutes ago, Reptoid Overlords said:

That's the one.  He really doesn't mention different parts and combos, actually he rebuilds an L20 4 cylinder for the book.  You can find any info not covered in the book on the wide, wide web if you have a question.

But he does get into EFI.  The "How to Modify" is the one that has the different parts interchanging and measurements of all the different valves and what not if you're building a Frankenstein motor.

Edited by siteunseen
Link to post
Share on other sites

Thanks.  I just ordered it.  I'm just going to leave the head on the block on it's stand until the book arrives.  Just to make sure I start from square one.  A quick question if you don't mind..The transmission from that car is covered in oil and general gunk.  It shifted okay when it drove, so i don't plan on having it rebuilt.  But I will be re-sealing it.  Is there a safe way aside from 100 cheap-o wire brushes and 3 cans of de-greaser  to clean the trans casing without getting water/solvents inside?

Link to post
Share on other sites

I put a rubber plumbing cap over the output and a smaller one on the shifter hole.  can't remember the sizes, you'll have to measure but they were just a few dollars.  pressure washed it first to knock the big stuff off then covered it with some cheap walmart oven cleaning foam.  Pressure washed it again and it came out nice and clean.  You could probably use a good hose pipe nozzle and a brush if you don't have a washer.

transmission cap.jpg

 

  • Like 1
Link to post
Share on other sites

From the looks of it, #1 piston shows evidence of scarring, possibly from someone using a screwdriver or dipstick to feel TC or TDC.

Its not so bad that I can get a fingernail to grab it, and also the ridges and cylinder walls are nice and smooth.

Would this scarring justify a new piston(of course, it would most likely mean all new pistons).

I'm considering leaving the bottom end alone because I really think its in excellent shape, other than that piston. Compression was up in the 170's even across the board when it was running not too long ago. IMG_20180319_050923.jpg

Sent from my [device_name] using http://Classic Zcar Club mobile

Link to post
Share on other sites

I found some 500 grit sandpaper from some bodywork I've been doing on the blue car.  I went at it a bit and couldn't see any burrs or anything, so i''ll take the good advice and run it.  It's covered at this time to prevent foreign objects from getting in the bore while I remove old gasket material, otherwise I'd take a picture after sanding.  That old metal mesh head gasket material is pretty tough to come off.  I''ll need to stop off and get some gasket remover or paint thinner on the way home from work tomorrow.  Suffice it to say that it should be all good then.  I appreciate the replies and advice. 

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...

Important Information

By using this site, you agree to our Privacy Policy and Guidelines. We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.