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-   -   Round 2: Wannabe turbo NB6C (https://www.miataturbo.net/build-threads-57/round-2-wannabe-turbo-nb6c-83653/)

Sirnixalot 12-01-2015 11:38 PM

1 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1449031125
stare in awe of B6 power :rofl:

Once I get the hang of how to use the haltech data log viewer I might actually hit triple digit power :dealwithit:

Sirnixalot 12-03-2015 08:34 AM

worst
video
ever

I'll be getting a real go pro or ion before the next season starts

sixshooter 12-03-2015 07:31 PM

Your lean area at 5000rpm corresponds with the dip in horsepower.

Sirnixalot 12-04-2015 12:09 AM

Thanks for the tip.

I attempted to work on the map some more tonight but it spat the alt/waterpump belt off. The FD alternator appears to be offset ever so slightly. I'll tackle that tomorrow and get back to the action weather permitting

Sirnixalot 01-05-2016 11:48 PM

car has been performing pretty flawless the past few weeks so I ordered the rest of the stuff to go turbo this evening. Hopefully it all arrives by end of the month so I can get a wastegate tune done before the season starts end of feb.

I see that people run into boost creep with a 3" exhaust....wonder if I should waste time porting the wastegate port on the turbo :dunno:

Sirnixalot 01-31-2016 06:44 PM

3 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1454283899
Mounted turbo and manifold up, plumbed the coolant and oil drain. I am missing some fittings to do the oil feed.

https://www.miataturbo.net/attachmen...ine=1454283899
Shot of the lower coolant hose and oil drain

https://www.miataturbo.net/attachmen...ine=1454283899
Had to pull the front covers and timing belt off since it seems the front main seal wasn't installed properly.

I am welding up the end tanks for the intercooler as well but to be honest, me being a noob and 3/16 being at the upper end of what my welder can do, it's not coming out as nice as I would like. No pictures of that until I hit everything with the flap wheel :giggle:

jimmyneutron 02-01-2016 04:41 AM

Your washer bottle isn't going to last long back there haha. :)

Sirnixalot 02-01-2016 11:04 AM


Originally Posted by jimmyneutron (Post 1304099)
Your washer bottle isn't going to last long back there haha. :)

I will probably take it out, the motor is bad and I have 0 ambition to try and find a replacement

Sirnixalot 02-04-2016 08:42 AM

8 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1454593326
My angle grinder died and the hand file wasn't working out so hot to finish the oval hose. (the 90* needs to angle outwards hence the need for an oval.

https://www.miataturbo.net/attachmen...ine=1454593326
I hate thin aluminum. I get about an inch of decent weld then the arc goes nuts. Probably didn't sand off the polish enough.:vash:

https://www.miataturbo.net/attachmen...ine=1454593326
Thicker cast is yummy

https://www.miataturbo.net/attachmen...ine=1454593326
Finished the down pipe and tacked together the mid pipe. It looks like it's hitting the subframe but it's just hanging down a bit. I did it this way to clear the Autoexe rear under brace whenever it arrives.

The muffler i got is a little too long and using a 45 off the pipe by the diff points it at the tow point. I am trying to avoid going left to U turn right. Might try a 90 and see where I end up this weekend.

Sirnixalot 02-05-2016 11:55 AM

1 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1454691353
one of my better looking stretch of weld on the intercooler. I am getting the hang of it but most of the welds that join the sheet metal together need flap wheel jesus before i post pictures

leboeuf 02-05-2016 10:41 PM

Good progress!
I found welding random bits of aluminum together to be problematic.
Welding pie cut sections of the same pipe was waaaaaaay easier.

Sirnixalot 02-07-2016 05:57 PM

5 Attachment(s)
It seem's my welder and I can weld any aluminum other than the thin tubing. The arc just kept jumping around and not making a puddle.

https://www.miataturbo.net/attachmen...ine=1454885853
So I said fuck it and pizza sliced the shit out of some 2" 409 stainless I had laying around. Ran out of gas so I had to use my mig, which meant grinding down all the pebbles and trying to make the pipes look presentable

https://www.miataturbo.net/attachmen...ine=1454885853
Cut and bent actuator rod to clear the coolant fitting

https://www.miataturbo.net/attachmen...ine=1454885853
I need to re-route this brake line and wrap the downpipe

https://www.miataturbo.net/attachmen...ine=1454885853
The NPT thread stripped out because aluminum so I welded the 90* adapter in. Black anodizing turns that doo doo gold color from heat.

http://img.photobucket.com/albums/v4...sndhn8jcb.jpeg
dat jdm side exit turn down. I have many welds to finish once I get some argon

Attachment 183813
money shot. I need to make 2 more mounting tabs for the intercooler and add the BOV port and a 3/8npt port for the IAT.

Injector connectors are getting swapped this weekend to EV1's for the evo 550's I have. A friend donated a denso fuel pump meant for an RX7 so that's the fuel sorted out.

sixshooter 02-07-2016 09:30 PM

It is pretty common to cut the shelf up underneath where the heater core hoses come out. Structurally it doesn't effect much. You can come all the way over to where the steering shaft comes out. It makes you huge difference for routing.

Sirnixalot 02-08-2016 08:17 AM

I was thinking of doing that but I should be able to bend it to clear and toss some gold tape on it. Trying to avoid cutting for the moment

Sirnixalot 02-12-2016 08:11 AM

1 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1455282661
Fucked up on the BOV port. I need to angle it down a bit to clear the filter

https://www.miataturbo.net/attachmen...ine=1455282661
IAT position

Plan is to do a boost leak test tomorrow to make sure everything is sealed tight and then start on finishing the exhaust.

Sirnixalot 02-14-2016 03:06 PM

7 Attachment(s)
https://www.miataturbo.net/attachmen...ine=1455480410
Welded up the exhaust. I need to weld up the v band on the end and the muffler to complete

https://www.miataturbo.net/attachmen...ine=1455480410
Bent the brake line to get some more clearance. Think that will be enough with once its wrapped?

https://www.miataturbo.net/attachmen...ine=1455480410
Forgot the bung at home so didn't get to weld that up today

https://www.miataturbo.net/attachmen...ine=1455480410
Angled the DV down so it clears the filter. Picking up the hose to connect it tomorrow

https://www.miataturbo.net/attachmen...ine=1455480410
Shot of the oil feed. I'm using -4AN with a 1.5mm restrictor fitting on the turbo

https://www.miataturbo.net/attachmen...ine=1455480410
Evo 8 560's with new quick disconnect connectors

https://www.miataturbo.net/attachmen...ine=1455480410
Intercooler pipes painted black and looking 1000 times better

My new gates racing timing belt and front main seal are scheduled to be on island by friday. Fingers crossed for start up next saturday :party:

Sirnixalot 02-16-2016 06:56 PM

Mission complete!

I took 0 pictures cause...well they would look like the rest of them above. I thought I added more tension to the actuator after I cut it but max boost was 25kpa :giggle:

I'll buy some 1/4" spacers and new bolts tomorrow and shim the actuator to see if that gets me to the 8psi goal

Sirnixalot 02-17-2016 02:16 PM

Holy shit it's a whole new car and the tune is still all over the place. A friend of mine is gonna drive while I tackle the tune this saturday, first auto cross of the year is sunday so fingers crossed

leboeuf 02-17-2016 05:24 PM

Congrats man!
Quite the project. What will you do now with your new free time :D ?

Sirnixalot 02-18-2016 08:08 AM

1 Attachment(s)
Thanks!

Right now I'm trying to figure out why the boost is so late. I think it's because I didn't put enough tension back in when I modified the actuator rod. I'm going by the hardware store to get shims and extra bolts now


https://www.miataturbo.net/attachmen...ine=1455800911

(i know the fuel needs a ton of work)


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