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Good evening(in Sweden ),
Some small updates.
i have started with the frame rails that are higher in profile and goes front to rear, they will be 45mm in front and slope down to 25mm in rear.
I also doing "inverted" rails inside the car that are 20mm high, just to rise the profile of the frame rail(i think the inspection like that).
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frame rails are done and also some reinforcement to the transmission mount,inspector wants it).
He will visit June 16 for the first inspection and after that i have five years to build for the final inspection were he wants to see a working vehicle.
i also start with the carpet and sound deadening as i wait for him.
Clutch is in the mail and only waiting for the half shafts to be made .
A new props shaft is made, for the first time i bought a new one instead of building my self(want a proper made one)
frame rails are done and also some reinforcement to the transmission mount,inspector wants it).
He will visit June 16 for the first inspection and after that i have five years to build for the final inspection were he wants to see a working vehicle.
Wow, we don't have that kind of inspection needed on older vehicles. We do have safety inspection and certification for cars that will drag race however.
Wow, we don't have that kind of inspection needed on older vehicles. We do have safety inspection and certification for cars that will drag race however.
Well........let's see if i can explain this...
We have three "stages" of modified registrations:
: simple registration, engine swap 15kw up in hp, if you mount a hitch, auto to manual and some other relatively simple mods, you will keep build date and regulations for that year.
:modified is next, when doing this you have to some bigger modifications. engine, transmission, brakes and rear end mods, good thing is that HP rises to 15kw/100 kg weight, you also keep emission from the year of the vehicle but they will be happy if you have catalytic converters.
: next step is were you build your own vehicle but then you will have completely new vehicle when it comes to model year and so on, there are some easier regulations when it comes to emissions and lightning and some other things.
This is roughly how it works so my Datsun will be "modified"
Have a nice day
Christian
I forgott: if your car is older than 50 years or older and have a valid inspection you dont have to visit until december 2099
Last edited by christianmoller; Jun 5, 2025 at 10:19 AM.
I got my first inspection cleared with some minor things to fix so now i have five years to finish the build (he wanted to see me at the end of August ) .
With that done i was able to pain all the weld, start interior work and mount the Datsun back up again, sooooo, it's done just waiting for my half shafts.
The half shafts is actually the only thing that keeps me from a test run.
Brakes, clutch are bled, emergency brake mounted, it's pretty much only interior work that has to be done
As my ECU doesn't seems to handle PWM controlled fans i got introduced to a new world, Arduino uno.
I only have High/low in my ECU so to run my expensive Corvette C7 fan i have to buy an Arduino uno to solve this problem.
This is a completely new world for me so this would be a side project to get it to run on high and low.
Thanks
Christian
FYI if you are interested, the ZL1 E67 ECM (generally any GM CAN ECM) can be calibrated via HPTuners (or EFILive with a custom cal) to run PCM fans. By now you already went the Arduino route 😊. Great progress & a great build 😎👍.
FYI if you are interested, the ZL1 E67 ECM (generally any GM CAN ECM) can be calibrated via HPTuners (or EFILive with a custom cal) to run PCM fans. By now you already went the Arduino route 😊. Great progress & a great build 😎👍.
Thank's
i have tried that with help from some guys at HPT but with no luck.
i programmed the Aurdino with some ramp up so it behaves pretty good.
Originally Posted by LSswap
congrats on the inspection. I know how nerve racking that can be.
HTOB hardlines mounted to the trans faceplace with banjo fittings to keep things low profile. Excellent idea
I may borrow that for future builds
I agree, hoses can get bulky and take up room needed for other things.
the only stupid thing was that some idiot(ME.........) put the bleeder exactly were the collector for the headers were.............
Last edited by christianmoller; Jul 22, 2025 at 02:09 PM.
Hello ,
As i'm waiting for my half shaft i'm doing stuff that,s not necessary ...........
removing bosses from the lid and valve covers to make a more "clean" look.
Grinding, grinding and some more grinding to make a bit cleaner.
They will be painted semi gloss black when the paint arrives.
Good evening
As i'm still waiting for my half shafts i took the time to do things as for me always get neglected when it comes to a test run........(to enthusiastic) i had the time to do some interior work, sound deadening and reinforcement at the rear.
Hopefully the shafts will arrive in early October so it's close.
The rear reinforcement consists of triangulation of the control arm and the body, it is a flat iron thats just pointing downwards and i can feel that when taking a corner at speed(flexing a bit).
And i was at IKEA and bought a bunch of owen(?) thermometers to keep track of heat in the engine bay(cheap solution)
Cheers
Christian
Last edited by christianmoller; Sep 9, 2025 at 01:40 PM.
Reason: spelling..........:)
Really impressive build you’ve got going here. We went through the whole thread, and it’s clear you’ve put a ton of work into this project. Excited to see where it goes. Keep the updates coming, we’ll definitely be following along!
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