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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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    CA

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  1. Try your local radiator shop. I went to an oldschool place years ago to have my core rebuilt. Turned out they found a brand new Z heater core on the shelf from the 80s so I used that and kept my leaking one in case I ever needed a spare to re-core.
  2. Wrapped up the porting. I didn't go crazy with it, but much better than when it ran on the dyno. The aftermarket t3 gaskets are much larger than the OE Nissan. Most of the time was spent on the manifold transition. Also opened the waste gate some more as it looked like there was some creep on the dyno graphs. Rebello noted they had to port the wastegate as boost was spiking to 14/15psi on the dyno towards redline and it made somewhere around 450hp on that run.
  3. Thanks for all the responses guys. Good info and it sounds like Vibrant is in the lead. Has anyone tried Ace Race Parts / Ace Stainless? I'll try some local industrial warehouses too, but where I'm at in CA most things local are more expensive than ordering online including raw materials. Or at least that's been my experience with Argon and local metal suppliers which I'll still support since they do smaller walk-in orders but they mostly serve large commercial/industrial customers. I will be fabricating this myself in my garage.
  4. Started on finishing the porting job I started years ago. Will probably spend the next few evenings gasket matching and smoothing all the transitions. I'm gasket matching to the OEM Nissan gaskets.
  5. Thanks Aydin, Do you have a preference or suggestion on Vband styles (ex: stepped/grooved lip) and vendors? I was doing some quick research over the weekend and there are a lot more options available now than even 5 years ago.
  6. I'm looking to order 2.5" and 3" stainless tubing and vbands for downpipe, exhaust, and charge piping. Does anyone have recommendations on where the best places to order are in 2021? Thanks!
  7. Had a few mins this evening to keep welding things. I had a couple of mild steel an6 bungs that I boxed up before moving but I'm still unpacking and couldn't find them but I did find a stainless an6 bung and some 309L filler wire so I started on the turbo coolant feed. The plan is to keep the heater and feed the turbo from where the SUs used to and return back at the thermostat housing. I used to cap these off with a rubber plug but the rubber never held up for more than a year of commuting before cracking and leaking coolant. Hopefully this holds better.
  8. Quick weekend update. Welding up some brackets with the tig. Pulled the manifold off for some other prep and checked the porting. The transitions look pretty good, they're ported out to 47mm at the carbs, reducing to the Nissan gasket size at the head. Still waiting for some misc. parts to come in. This next couple of evenings I want to clean up some porting I did on the exhaust manifold before sending it out.
  9. Last post on the driveline prep before going back into turbo stuff although I guess technically this is prepping the driveline for the turbo. Didn't find much info on the OSG damped twin or triple plate setups online so hopefully this is helpful to someone looking into it and the modifications required. The OSG throwout bearing collar is extremely short, and the stack height of the clutch assembly relatively tall.
  10. Thanks Rossman. After thinking about it more and measuring angles I think another 45 or 30 would work with a short straight braided section in between. Just need to dig through my boxes and see if I can find one. Pretty sure I have one somewhere. I can clock my turbo a bit too to line up the angles better.
  11. I do have a unicoil left over somewhere from redoing the gas tank lines, might give that a shot if I can't find my box of an tube nuts and sleeves.
  12. Alright so no dice with the push lock fittings and hose but man they are so easy to work with. Assembly is a 3 minute job. May need to use them for my oil cooler and vent hoses. Hose kinks too easily. Since I already have all the flaring and bending tools from the stainless hardlines the new plan is to do the bend in hardline and run a short straight section of hose to absorb any movement. Although I'm not sure how much movement there will be seeing as the oil pan and turbo should not move. Will update when I get it together.
  13. When I pulled the setup apart I was surprised to find the RTV on the head still looked reasonable. Maybe because the head is water cooled. On the turbo hot side all of the rtv had turned to dust. I agree long term (more than a few hours?) there would be no RTV left so the seal would need to exist from both sides perfectly flat. Im leaning towards running the gasket. And on the turbo side it'll all be stainless crush gaskets. I'm still curious if any turbo hybridz members run RTV and how that holds up over time. If this was a race only engine and my service intervals were a few hou
  14. I'm doing the final preparations on a turbo motor before dropping it in and wanted to solicit some opinions on using a gasket versus RTV for the intake/exhaust. On my Rebello built turbo stroker motor, it was recommended to me to run grey RTV for the intake, Red RTV for the exhaust. If both surfaces are true there should be no leaks. I've attached a picture of what the head looked like after removing the manifolds, the motor was run in on the dyno so likely only ran at most for some hour(s). Leaks are either due to improper rtv application or flatness. I'll do finals checks for fl
  15. Finished modifying my transmission input cover and flywheel bolts. For the OS Giken dampened twin plate 4mm needs to be removed from the input shaft area of the cover, and bolts ~8-8.5mm head thickness. The bolts are actually around the same head thickness now as the 240mm turbo/2+2 flywheel bolts but I gave those to the buyer of my old clutch setup so they could bolt the setup right in. Next step is to finish prepping the turbo manifold and send the assembly off to ATP for their inconel heatshield treatment.
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