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My '76 710 Goon


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#641 datsunfreak

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Posted 04 May 2018 - 11:52 AM

The whole thing needs a slight arc to it. 

 

This was going to be my exact reply.   ^_^


It's your car, just don't ruin it.


This seems like an elaborate ploy to get me to say "I like the D".


#642 datzenmike

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Posted 04 May 2018 - 06:11 PM

The tailgate is slightly curved outward to the rear. Below it where the bumper shocks are is relatively flat across the back. The bumper is straight like this... My cut off disc is 2mm thick so 3 cuts, one in the middle and one each out by the bumper shocks. Then 2 more one on each side between bumper shocks and the center, that's 5. If needed 4 more equally spaced between these five. God I hope 9 or less will do. It's not much of a curve

 

Measuring the cord of the arc across the back of the tailgate is 1,220mm. The height of the arc is 38mm. The arc length comes out to 3 or 4mm so it's so slight that my measurement accuracy isn't good enough. Going to assume it's under a centimeter. Math isn't my bag .... baby.


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#643 datzenmike

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Posted 05 May 2018 - 04:58 PM

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Well, 5 cuts drew the ends in by over an inch which tucks them in nicely. Hot damn! the curve matches the tailgate perfectly. I welded both sides and am grinding and sanding down the side that shows. Really want to get this on this weekend.
 
 
 
 
Tucked in nicely like it belongs there. Before it was way out like it would hook onto passing cars.
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#644 opalbeetle

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Posted 06 May 2018 - 07:20 AM

Well done!


near Winnipeg, Manitoba, Canada

 

http://community.rat...976-wagoon-710/

"The 710 is the new 510." - datzenmike -


#645 datzenmike

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Posted 06 May 2018 - 03:25 PM

FsT1IIv.jpg

 

Final test fit before welding on.

.


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#646 datsunfreak

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Posted 06 May 2018 - 04:24 PM

:thumbup:


It's your car, just don't ruin it.


This seems like an elaborate ploy to get me to say "I like the D".


#647 datzenmike

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Posted 06 May 2018 - 04:45 PM

I've never done that before. Mostly I do stuff I've done before. It's nice to break out of the rut. Thing is, when you find you can do something it's a pleasant surprise, and you might try something more challenging. Well now I'm my own expert on sectioning a chrome bumper.


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#648 opalbeetle

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Posted 06 May 2018 - 06:12 PM

That thing really looks like it belongs there! Again, well done!

near Winnipeg, Manitoba, Canada

 

http://community.rat...976-wagoon-710/

"The 710 is the new 510." - datzenmike -


#649 datzenmike

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Posted 06 May 2018 - 07:09 PM

Well, thank-keeeu


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#650 gmkeegan

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Posted 08 May 2018 - 12:18 PM

FsT1IIv.jpg

 

Final test fit before welding on.

.

is this a 5 speed dog leg?  can you use a 280z transmission in this car without cutting the floor hole ?



#651 datzenmike

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Posted 08 May 2018 - 02:39 PM

No, not ever a dogleg. :lol:

 

Yes the 71B 5 speed fits just fine. The cross member needs mods.

 

The 710 automatic  is 31.5" long

The 710 stock 4 speed is 26" long

 

The FS5W71B 5 speeds from the following cars and trucks are 31.5" long, so all you need is a 710 automatic driveshaft.

 

'77-'78 280z

'79-'83 280zx non turbo

'77-'79 620

'80 720 2wd (check length)

'78-'80 810

'81-'84 Maxima


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#652 datzenmike

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Posted 09 May 2018 - 05:59 PM

Oil cooler project.
 
iVBqjAx.jpg
 
Had to cut the correct threads bolt to length and drill a hole in the top for 1/8" NPT. Then a larger hole up the length for the oil to flow. Then cross holes to feed the oil into banjo fittings.
 

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Tap 1/8 NPT 27 TPI for new temp gauge.



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New sensor gets hot oil directly from the pump as it exits towards the oil cooler. The same bolt is used for the return and will have the oil pressure sender in it. This oil enters the oil filter and will read slightly higher than the stock location. 

 

What I have is the oil cooler plumbing from an '82 280zx The lines and the aluminum cooler itself are rubbish but the casting that bolts to the block is all I want. I have the oil cooler from a ford truck that mounts in front of the rad and looks like an add-on  trans cooler. The plan is to mount behind the rad near the distributor. There's no shroud in the way and there's a pusher electric fan in front.


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#653 datzenmike

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Posted 12 May 2018 - 04:45 PM

4ZabIA0.jpg

 

OK here's the casting that bolts on where the stock oil filter would go. It directs the oil out to the cooler then receives the cooled oil and sends it through the re-located filter and back into the block.

 

 

U9q5h5G.jpg

 

 

The bottom bolt screws into the block and is hollow. This is where the oil temp sender is. I figure that will be the hottest oil directly from the pump. The bolt on the right has the oil pressure sender, and is in the return line from the cooler but before the filter.

 

I'm locating the cooler to the side of the pusher fan and in the upper driver's side corner of the rad. Bought some fittings that will take 1/2" hose same as what will fit on the oil filter end. As to the hose, 300 PSI and petroleum rated but just under $4 a foot. Two 5 foot lengths will get me through the rad support and down along the front of the cross member and up to the filter. But I think I'll make a hard line out of 1/2 copper tubing and just use the hose and gear clamps for joining all the ends.

 

Do I need an oil cooler? No. But on my holidays there are several times where it's either quite warm or I'm climbing a mountain at full throttle in fourth for 15 min. Or both. Last year I had to pull over and let the engine temp go down.

 

.


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#654 datzenmike

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Posted 20 May 2018 - 02:51 PM

smm9rPw.jpg
 

 

OK oil cooler (from an F350 diesel?) installed in front of rad. Air flow should cool it and when extra hot there is a puller fan mounted on the other side. I used 250 PSI petroleum rated hose and wrapped the two lines with 3/4"split harness covering to prevent chaffing. Runs OK without leaks and down 1/2 Qt from filling the lines and cooler. Wired two sensors up using female terminals covered in shrink wrap and run the wires into the cabin. The two existing gauges are from a 720 4x4 (volt and oil pressure) the new digital ones fit right in the 720 holder. Oil Pressure and oil temp. (I have a digital volt gauge but have to find somewhere to mount it)..... and run out of steam. Just needs the power and ground from the old gauges and the two sensor inputs wired up. Tomorrow.


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