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"Swamp thing" JBC 510 racecar


Icehouse

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1 hour ago, shlammed said:

Great updates. 
is that an s13 fuel sending unit?

 

Yeah S13.  Only down side is it's not 100% sealed  If the tank gets pressure it will come out of the wiring pass throughs.  Next tank I build I'm going to do it like Keith did.  He posts it all the time on the realm.  Basically he welds a sump in the stock tank.  super simple. 

 

 

1 hour ago, ]2eDeYe said:

 

 

Sorry about that haha

 

 

haha Mulit projects are the best so thanks!  I was at pick and pull at closing yesterday.  

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23 hours ago, Icehouse said:

Damage from the last race.  Since the stub axles are the same as alot of other Dattos I went and grabbed a set off a ZX at Pick and Pull.  Paul was going to meet me there but somehow he wasn't able to make it till 4:55 aka closing time.  HAHA 

I wanted to fit that into my day too but I got delayed fixing the brakes on the new race car tow rig. Took longer than I thought it would. I must be out of practice. I did manage to meet Jeff there as he was walking out with the goods!

 

IMG_4186.jpeg

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More work completed last night.

Rear crossmember, diff, and driveshaft are in.

Trailing arms still need new bearings.

New fuel injector adapters are in - that was a struggle - and fuel rail set in place.  Need yet another custom part now to secure fuel rail to intake.

Throttle body mounted.

Front brakes mounted.

Needs to be on the ground and rolling next week!

 

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On 3/15/2024 at 2:10 PM, shlammed said:

Why all the adapters on the fuel rail?

 

We used a S2K intake manifold to "save money" a flange adapter was required to adapt from the K24 bolt pattern to the F20 pattern.  Then the AP1 S2K injectors are bigger on the manifold side so adapters are required for that, then F20 fuel rail injector size is wrong but there isn't enough meat to machine it bigger... So we got an AP2 S2K fuel rail.  Few....  All that to "save money" and try to keep as many things OEM as possible for endurance racing durability.  Hopefully all worth it.  

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Haha that’s too bad. 
 

A loaded s2k manifold with injectors would have saved $ I guess still. 
 

For me the kpower intake made sense since finding that s2k bits around me wasn’t likely. 
 

I’ve only really seen a handful of them (ever) around me. 

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1 hour ago, shlammed said:

Haha that’s too bad. 
 

A loaded s2k manifold with injectors would have saved $ I guess still. 
 

For me the kpower intake made sense since finding that s2k bits around me wasn’t likely. 
 

I’ve only really seen a handful of them (ever) around me. 

 

The S2K manifold was from a somewhat local Datsun guy, traded a hood cable for it 🙂  Your route makes more sense after all the little bits we had to source.   The next one will be different.  

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Installed the throttle body but forgot the bolts lol. On the list for next time.

 

here is a close up of the injector adapters. The o rings were a super tight fit. Not what I am used to for fitment quality. We chamfered the holes to help but the o rings were a bit too big. 
 

 

 

 

IMG_4339.jpeg

IMG_4343.jpeg

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  • 3 weeks later...

We finally think we got all the required things hooked up to start the engine!

 

large.03142024swampthing.JPG.038edbe4b94

 

large.03202024swampthing(3).JPG.b2462262

 

large.03202024swampthing(2).JPG.7e3b462c

 

large.03202024swampthing(1).JPG.200b2927

 

The first thing we find out?  Bad starter.

 

https://datsun510.com/uploads/monthly_2024_04/03202024swampthing(3).MOV.f8103526957c0e1ec844be2388fb8157.MOV

 

Or so we thought.  Turns out it was the battery!

 

In the process, we found one of the starters purchased from pick-n-pull had the electrical connection glued on!!!  What kind of a joke shop does that to a customer?

 

Let's try another battery then...

 

https://datsun510.com/uploads/monthly_2024_04/03202024swampthing(5).MOV.d85e682366795ddd8c06a5a63f83803d.MOV

 

Still no fireworks though...  : (

 

Lots of things we are unsure of at the moment so next week we'll go down the list.

 

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The last of the Starbursts...

 

large.03272024swampthing(3).JPG.65edea88

 

Come on engine!  Time to fire up!!!

 

Jeff found a local guy with a matching ECU, Key, and Key detector.  That is the necessary trifecta for starting one of these things apparently.

 

https://datsun510.com/uploads/monthly_2024_04/03272024swampthing(2).MOV.7949ae2ccad587ccb6428e5c67e3db0c.MOV

 

Well, closer...

 

Time to go through the wiring again one more time.  Found a couple errors.  Let's try again.

 

https://datsun510.com/uploads/monthly_2024_04/03272024swampthing(4).MOV.5eea7d275f64a80ad6c304f09187e858.MOV

 

Yes!!! 

 

Ladies and gentlemen, we have Knoise!

 

(I'm convinced it was the Starbursts!)

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Okay, April 19th is coming up fast!  We need to switch gears and get back to the Swamp Thing!  Time to get the Gobstopper out of the garage for a minute...

 

https://datsun510.com/uploads/monthly_2024_04/Video.MOV.a76431134adb4eba6595651c49d04363.MOV

 

Almost low enough for Jeff

 

large.04042024swampthing(1).JPG.e084c8c4

 

Return Of The Swamp Thing

 

large.04042024swampthing(2).JPG.e3accb79

 

large.04042024swampthing(3).JPG.1513a827

 

large.04042024swampthing(4).JPG.090d8dd1

 

We have a long list to look over.  I need to remember to buy some spare plugs.

 

large.04042024swampthing(5).JPG.dd660d49

 

Let's double check our stub axles shall we?

 

large.04042024swampthing(1).PNG.751b9237

 

We could really do without another one of those failures.

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Pulled the radiator out of my VG wagon project

 

large.04082024swampthing.JPG.f1dbc139a3e

 

It's a "little" bigger than the Champion 510 radiator

 

large.04102024swampthing(1).JPG.2b1e9ffa

 

The fit required some modification to the intake piping and the lower radiator hose is not a "gimme"

 

large.04102024swampthing(2).JPG.f6a51ec8

 

Garmin lap coach mounted!

 

large.04102024swampthing(3).JPG.5adff171

 

I can hear it now.

 

"Go that way - really fast!  And when something gets in your way - Turn!"

 

(name the movie)

 

The to do list is getting shorter.  I'll let Jeff and Paul tell you about recovering from the failed rear wheel bearing.

Edited by carterb
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