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  #31  
Old 3 Weeks Ago
Cj_ Cj_ is offline
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Quote:
Originally Posted by Turbo Sporty 48 View Post
Sweet!
Jason's Hellcat Turbos have done multiple world record runs.
I have used a couple of stainless steel suppliers in California. https://burnsstainless.com/
Trask is still doing it https://www.traskperformance.com/
So good to see your build...
Jason's info on here certainly gave me confidence to give this a crack. Trask kits run an unequal log style manifold as well so I followed their lead. It still is all a learning curve but I figure if a part can be improved or fails then I can swap it out.

I think the main challenge is going to be tuning. My wideband gauge rocked up yesterday and I've got some bigger injectors. I'm thinking of getting a 2 BAR Map sensor and trying to tune this thing with the SESTP. I believe the 2017 sportys run a TMAP and I've found a few online that look like they could fit in the stock location but I'm really only eye balling it. Other option would be to get a second MAP thats runs of a vacuum line and piggy back in to wiring for the MAP sensor only.

I'll also need to build a data logger for the wideband as its a gauge only. I've got an arduino microcontroller I'll probably use for that
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  #32  
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SportyHD SportyHD is offline
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Originally Posted by Cj_ View Post
I'd encourage it. I'm really enjoying the fabrication process. Spent many years watching turbo car builds and always wanted to turbo something N\A.

Sent from my SM-G960F using Tapatalk
I’ve built a couple custom turbo setups for air cooled vw’s in the past. Still have my turbo fuel injected 62 beetle, so I definitely understand process and fabrication. Biggest thing for me, is trying to figure out a properly sized turbo. I’m starting to read through a lot of threads on this site, that in itself can be a daunting task due to number of threads and also the length of some of the threads.

Currently have a hammer 1275 flat top kit with their 570 cams and a powervision. Need to do some reading on cams and turbos.... not looking to break any records, would love 5-8lbs boost. Once the turbo size is figured out, I can figure out all the fab stuff. Think I also read somewhere that there’s a 2-bar map sensor that can replace the factory one, but I’m not sure how the factor ecm and powervision do with that. With vw’s I put mega squirt on both
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  #33  
Old 3 Weeks Ago
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Picking the turbo size is definately the first challenge. Spent ages researching sizes from other ppls builds etc. Will see how mine manages, it's bigger than a GT15 which a few ppl have run but not to much bigger.

Using a 2 Bar MAP sensor and scaling to maps seems like the logic choice so hopefully I can figure out the sensor to use.

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  #34  
Old 3 Weeks Ago
SportyHD SportyHD is offline
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My 68 bus was running a Wrx turbo (2007 I think) so I’m all about repurposing and making stuff work. I actually have another wrx turbo in the garage waiting...need to do some figuring
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  #35  
Old 2 Weeks Ago
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Did a couple of things this weekend although I'm still waiting for oil lines and fittings to rock up to get to the fun stuff. Pull the turbo apart and painted it. Went a gloss black for the compressor housing exhaust spec matte black paint for the rear housing. Also painting the modified turbo actuator


I got a 1.5" pressure gauge to use as a boost gauge which I wanted to mount on the handle bars. An off cut of the 1 3/4 pipe I used for the manifold worked out to be the perfect size. Made a little tab out of the stainless sheet to mount to the right bar clamp. Only took me about 10 cardboard cutouts to work out the shape of it.


Tacked it on the back so the weld wasn't seen. Ended up having2 goes at this as I wasn't happy with the angle of the gauge the first time I welded it.


Then tapped a small hole for a cut down screw. This will lock the gauge in place and stop it moving around.


Test fitting the gauge.



All done! Pretty happy with the outcome. I hit it with an etching undercoat and its currently drying in gloss black. Got sent the wrong fittings for the line kit to plumb it in so waiting for that to be resent. I've also got a 1/8npt bung to weld into the intake to plumb it in.


Oil fittings should rock up this week so will be able to plumb everything in and be a step closer to firing her up. Fingers crossed the fittings I've got aren't to big and I can fit them in the primary case. Also had to order imperial drill and tap sets to match coz I've only got Metric stuff.

Slowly getting through the list. Beside a few bungs the only thing left to fabricate is the BOV mount. I've got no idea where this is in the mail so will probably run it without a BOV until it rocks up.
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  #36  
Old 2 Weeks Ago
Turbo Sporty 48 Turbo Sporty 48 is offline
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Nice work!
Noticing the ape hanger' bars, when the turbo boost kicks in and the tune is right, are you sure this is the position you want to be in?
Oh well, it is all for fun.
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  #37  
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Looks great!
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  #38  
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Any updates on the turbo iron? Tuning done ? How’s it coming along? Nice job on the project looks great so far.
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  #39  
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Made a bit more progress on the sporty. Still haven't got her running but I'm very close. Changed the direction of my oil feed which has required some additional fittings so still waiting for those.

Planned to tap fittings for the oil feed and drain off the cam cover. The purple circle highlights the oil gallery I was planning to tap for the feed which I had seen done on the hellcat turbo kits. Looks like the galleries are much deeper on the later models because there really wasn't enough meat in there to tap and I wasn't feeling comfortable with the fitting protruding into the gallery. Plan now is to t off the oil pressure switch which is the same approach as the Trask turbo kits.

I watched this youtube video ok the Trask turbo sportster installation which gave me the inspiration and it also gave some great tips for the steps to tap the drain line.
https://www.youtube.com/watch?v=JEDcwcrI4mM



Tapped the oil drain which was a mission in its self. I ordered in a tap and drill set for the 1/2 fitting. Went to drill the hole and quickly realized the drill wasn't a reduced shank so it didn't fit my drill press. Lucky a mate from work has an old lathe at home and he turned it down for me. Turned a 5 minute job into a week affair but its done. The 1/2 npt to 3/4 line is a bit of a monster. Probably could have stepped down a size in both.






The fitting I got had a long barb on it which wasn't ideal. I couldn't tread the fitting the whole way in as it hit the raised section of the cover. Luckily its a tapered thread so doesn't need to be all the way in but I would recommend at fitting with a shorter barb if you do this yourself. Put plenty of red lock tight so it certainly isn't moving. The long barb also made putting the hose on difficult and I've still have a slight kink in it.






Welded a bung on the intake for my boost gauge. The BOV also rocked up but the stainless vband flange I ordered to install it was completely wrong. Found the right flange so have ordered that but was out of china again so who knows when that will rock up. Also ordered a barb fitting to tap the y intake section for the BOV vacuum line.



Re-assembled the turbo after painting it, happy with the outcome.



Welded a bung for the wideband on the dump pipe. I've just have to wrap this with the exhaust wrap and its done but that will be the last thing I do to save the itchy hands.


Started final assembly. Turbo is bolt on so hopefully shouldn't have to take it off again. Need to pick up some gasket maker for the intake but just sat it on there for pics. I'm not 100% sold on the intake so may remake the intake at some point and go with a more curved approach. Wouldn't be until the 10mm capillary tube rocks up because I'm not drilling out stainless bolts again.






So I'm close to firing her up. Just need to make up a braided line and get this tee fitting installed. I really can't waiting to hear her.

I bought a relayed to wire up the wideband gauge. I've also got to wire in the arduino to log the data with the PC and then we can figure out this tuning stuff

Last edited by Cj_; 6 Days Ago at 02:47.. Reason: spelling
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  #40  
Old 5 Days Ago
Turbo Sporty 48 Turbo Sporty 48 is offline
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That Trask video is great.
Mine was built in 2010, did both inlet and outlet on the cam cover. Like in the video, just make sure there is a clean supply of oil. Had the bottom of my cam cover machined down, just below the bolts, looks cool, no practical purpose.
Pulling for you dude, turbos are a real buzz. Just remember, the boost knob is cocaine encrusted, oh, just a little bit more, ya, some more, until everything blows up! Ha.
Of course we have never done drugs but that is what boost is, addictive as all get out.
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