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Dat73z

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Dat73z last won the day on April 6 2017

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About Dat73z

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  1. Dat73z

    Triple Blowthrough Turbo

    Sounds like a neat project. Turbo setup is a standard Garrett ball bearing T3/T40E 50 trim/63 AR with the ATP ultimate internal gate, Tial 10psi actuator. What will you be running for ignition? Keep me posted on your build, always looking for more perspectives 👌 Build is still moving forward. Just got back from a long work trip and it's too smokey in CA from all the wildfires to make good progress.
  2. Dat73z

    Triple Blowthrough Turbo

    Been a busy week but finally getting back into this. Trimmed a spare valvecover to fit over the oil spray bar and buttoned up the rest of the fuel tank. Ended up running teflon AN washers on either side of each bulkhead fitting with a washer on the back to spread the load. Routed the return at the top of the tank which feeds back into the top of the black box. Hoping for no leaks and adequate return flow to maintain 3-4 PSI at the carbs with no boost. Still waiting for the AN fittings and stainless hardline to come in, but plenty to button up this weekend.
  3. Dat73z

    Triple Blowthrough Turbo

    Thanks for the offer 👌 I may take you up on that if this one doesn't work out.
  4. Dat73z

    Triple Blowthrough Turbo

    Thanks. Ultimately I'd like to get somewhere around 3-400+ whp. I don't think that will happen with this motor (I'm thinking 2-300+) so maybe a couple of years down the line I'll build the stroker on the side. This round is focusing on getting everything fabricated so I can put this setup on any L-series and running well enough to daily drive again.
  5. Dat73z

    Triple Blowthrough Turbo

    Thanks madkaw, who did you get your spray bar from? I think I got this from Brian at ZCC years ago. Good call on testing the spray pattern first. I will do that once I have the rest of the oiling system buttoned up.
  6. Dat73z

    Triple Blowthrough Turbo

    Had a couple mins tonight and started mounting a new oil spray bar I had for a long time. My old one was held together by silicone. Surprised the valvetrain looks so great- that Walmart special Rotella T6 puts in work.
  7. Dat73z

    Triple Blowthrough Turbo

    A question for the community: I believe the turbo studs are M10 x 1.5 and some rough measurements show the studs will need to be ~50-55mm long due to the 1/2" thick stainless flange I'm using to clearance the T40E/T3 from the exhaust manifold. Is anyone aware of a vendor/supplier that sells these studs in Inconel?
  8. Dat73z

    Triple Blowthrough Turbo

    2nd Weekend Update: Had some time this morning before the wife and I do our Sunday thing. Pulled the gas tank out from storage and started cleaning/buttoning everything up. I feel bad that this thing has been covered in dust for so long. I'm going to set up the fittings for 6AN feed and 8AN return. It is a MONZTER copy gas tank so service plate up top, ATL blackbox with the Walbro 255 inside, modified OEM fuel level sender. Once the tank is bolted up I'll pull the trans and delete the old fuel lines and that one evap line which runs to the driver's side frame rail. I need to measure out how much stainless line to order. I am going to assume bending 6AN and 8AN stainless will be a bear, but it needs to get done. Huge shout out to Ivan @ Vintage Spirit Garage over in Albany (no affiliation). I don't have the means in my garage to fab this up so I called around a bunch of local race / custom fab shops in the bay area and nobody wanted to take on this project. I just dropped off the parts and the work was done to a high standard and in a timely fashion. You can check out their Instagram page here: https://www.instagram.com/vintagespiritgarage/?hl=en
  9. Dat73z

    Triple Blowthrough Turbo

    Weekend update: Test fit the wastegate actuator. It's a Tial MVI 2.5 unit with a 10lb spring. Tight fit and I'll need to fine tune the angle a bit more, but it looks it it will work.
  10. Dat73z

    Triple Blowthrough Turbo

    Thank you. Your airbox looks great! Really original use of a spare valve cover 😉. Yeah the shorty manifold is a bear to install and the studs must be the perfect length. I've had to pull and install it a couple times now to get everything to fit so I'm getting pretty good at it. Good call on the heat shield material. I have been thinking this over and I'm partly considering just sending all of the hot side components to ATP for their inconel treatment. The HKS carb mounting is rather curious. The holes do not line up with 44s. My friend also just picked up a set of Mikuni 40 type 4's I'll try in a couple of days, but I was under the impression the casting between the 40 and the 44 were the same. Maybe the Type 1 Surge Tanks and SK units have it better. The motor is the #'s matching block which has been bored out and fitted with low compression pistons. I have no idea what it is, but the previous owner ran it on drawthrough turbo in the 80's and it was supposedly fast. The kit was in the trunk when I bought the car and the RAYJAY turbo was about the size of my head if that's any indication. Much longer term once I'm done lighting money on fire here I have a L28 block sonic tested good for a massive overbore in my garage along with a knife edged stroker crank from my friend Eric. Eric, if you're reading this I lost your contact- thanks again man and come over to hang out sometime.
  11. Dat73z

    Triple Blowthrough Turbo

    Pre weekend update: Did a test fit of the linkage assembly. It is apparent that I will need to use shorter turnbuckle? arms, but overall everything works well and operation is smooth. Just used some stuff I had around in the parts bin and some I imported from Japan and a McMaster-Carr hardened stainless 10mm rod to complete the setup. The Japanese setups are interesting in that the linkage rods I've dealt with so far for Z setups at least (Kameari, OER/SK, Mikuni) are all 10mm (~3/8 being the largest "typical" US size for the couple of manifolds I've worked on). Most US items are this smaller diameter or even smaller which makes finding Japanese components stateside difficult. In the earlier pictures you can see I ended up pressing in and reaming out some 10mm oilite bushings for the linkage rod rather than running the teflon bushings. Also test fit the sandwich plate for the oil cooler. Either way, still just typical triple setup/parts so far so nothing crazy just yet which is good. I'll start fabricating the bracketry for the throttle cable setup which is already installed from my last triple setup this weekend. I'm going to attempt to streamline it all and run the shortest non-binding cable setup I can. Wastegate and more components comes in tomorrow and AN fittings/hose for coolant and fuel next week. Just a long wait now for parts to slowly trickle in.
  12. Dat73z

    Triple Blowthrough Turbo

    Some quick project updates: The compressor side looks to work the best with the outlet facing about parallel to the ground. This leaves a lot of room for charge piping I hope. Clearances are tight but have enough information on measurements to order a wastegate actuator now and confirmed the measurements with a distributor so now another couple day wait for more components to come in. Although I enjoy the process, I wish I had a warehouse of everything so I could just test fit parts instead of measuring every detail and piecing together/fabricating everything to fit. The build goes on... Edit: Specific to the triple blowthrough setup on the HKS Version 2 Surge tank- you can see why I had to drill out the carburetors in these pictures with the hardware removed. I've checked a couple of carbs (Weber DCOE 40, Mukini 44 PHH Type 4, OER 47- the current carbs) and none of them have the appropriate spacing for the HKS Version 2 surge tank. So you need to drill out the front and rear mounting points to make everything fit. I've personally seen another set of Mikuni 44PHH drilled out for this setup as well with most of the drilling done at the inlet where the trumpets used to be. I tried to balance the drilling between the front and rear to leave enough material on both ends to seal appropriately.
  13. Dat73z

    Triple Blowthrough Turbo

    Thanks for the tip! Didn't consider this but it makes sense will give it a try. Thank you. I had considered the possibility of crossfire when I was selecting the wires but not sure if I've experienced it yet. I daily drove the car for the past 2 years with no issues but it was only with triple sidedraft carbs. I suppose I could always build another set of wires over the valvecover as I still have the tools from the last couple of sets I put together including the one on the car currently. The coil is actually a MSD 8222 solid state unit. I had the red oil filled blaster type coil which I gave to my friend a couple of years ago I think the specs were fairly similar but I'll take a look again tonight and the part numbers you referenced. The ignition system is the 123 Ignition BT distributor running off a MSD 6AL Digital and the MSD 8222. I've never had any issues with this setup over the last couple of years but haven't run it yet with forced induction.
  14. Dat73z

    Triple Blowthrough Turbo

    Also if anyone has any pictures of how they did their intake I would like to see (and it would be much appreciated!). I want to install AC with this setup and it looks like it will be tight if I mount the compressor where the old air pump used to be. Either way I'll need to fabricate a bunch of heat shields for heat management. Fortunately I have a bunch of 0.080 AL...hopefully it's not too thick for my wimpy sheet metal brake. Otherwise I'll need to get some thinner AL. The plan is once everything is fabricated and mocked up to pull all of the hot components off and have them swain coated before final assembly.
  15. Dat73z

    Triple Blowthrough Turbo

    Test fit the turbo, it looks good. The 1/2" stainless flange I drilled out looks to be the perfect spacing. I'll need to do a bunch more fine tuning work with the fitting but at least this is a start. The 3" vband flange from the internal wastegate looks like it will work for the setup with a sharp 90 into a 3" exhaust.
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