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EFR6258 vs stock rods, round 1: DATSUN wins

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Old 08-16-2017, 12:12 PM
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Thank you! Time is on our side.

I have always loved the idea of building a Subaru but it is hard to shallow all the supporting mods sometimes, but something like a GC8->full STI thing or a nicely done 02-03 looks really good.
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Old 08-16-2017, 09:22 PM
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If I had the money, I'd buy a un-fucked-with bugeye wagon and pay a specialty subaru shop to go ***** to the walls with an STI build.

Hell, I could probably have that done to my current wagon. It'd probably cost on the order of like... 15-20 grand though. The idea of bringing new life to that car is super appealing though....but it would need damn near EVERYTHING swapped.

This is a local guys bugeye. One of my favorite cars.






Owner: https://www.flickr.com/people/photographybycollin/
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Old 08-16-2017, 11:51 PM
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BAHAHHAHAHA THE ******* INFRACTION.

Also good note, crossflow is ordered. Hoping to have it soon and never have to worry about temps again.
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Old 08-17-2017, 12:17 AM
  #444  
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revision sent. make 100% sure the timing sync is not wrong anymore. 15.5 to 6 is a huge swing and explains the fireballs as discussed lol

you were trying to be cool like aidan , running like no timing
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Old 08-17-2017, 12:18 AM
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*sets timing map to -10 for full flame map tune*
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Old 08-17-2017, 12:20 AM
  #446  
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I can absolutely make you a flamethrower map. valve reliability might suffer a bit though
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Old 08-17-2017, 12:30 AM
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I wouldn't be surprised what my valves look like now...

Inconel valves possibility lol
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Old 08-19-2017, 09:51 PM
  #448  
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Crossflow is amazing. So nice to drive the car and not worry about temps.

+1 to having Vlad e-tune your car if you're a noob like me. Helpful and quick. Car is going great. Absolutely put the hurt on a MK4 GTI with a turbo upgrade.

Xidas next.
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Old 08-19-2017, 10:01 PM
  #449  
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we haven't even upped the boost from the low wg yet either
(though we probably can't do much with it anyway, you're already near the limit of the rods lol)
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Old 08-20-2017, 12:34 AM
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I do have a set of forged rods..

Good thing I have a 6258, nowhere near its limits.
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Old 08-21-2017, 01:44 AM
  #451  
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here's why I like EFR's: by the time you go from 8% throttle to 100%, it's already at 3psi. and this is at 2200RPM mind you

And this is with the EBC not even working yet. let's see if 20% duty wakes it up, if not you'll need to test it like we discussed.


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Old 08-21-2017, 01:46 AM
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new thread title too lol
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Old 08-21-2017, 11:32 AM
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A+ thread title, already pricing out a built block, but as it is, I think I have about the limits of power for my TEIN coilovers and old, tired "pun" Z2 tires.

I have another log where I am hitting peak boost (I think it was 7psi like last month) and it would do the same, -5psi to 7psi in less than the time it took to go 2% tps to 100% tps. SO great. I get the tiny turbo partial throttle, hand of god, torque feeling, which is super addicting, yet she pulls hard into redline; it will be even more so on a built block. 300kpa on e85 sounds exciting

I just need to sort out my cooling system, I think I either need a bigger fan or I may have some air in the system after the new radiator.
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Old 08-21-2017, 11:37 AM
  #454  
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Put that thing at the biggest incline you can and eliminate that variable.
But ultimately I still think just 1 stock fan aint gonna cut it, you either need the big spal or 2 stockers. But Andrew will point you in the best direction cooling wise
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Old 08-21-2017, 11:47 AM
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Especially with my way too big (blocks 100% of bumper mouth and then about 2-3" higher than the crash support) and not so efficient fab9 stage 2. It is like the Achilles's heel of my build so far lol
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Old 08-21-2017, 08:58 PM
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I made a mistake and sat/rode in a Recaro Pole position.

Does it fit a miata?
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Old 08-22-2017, 11:22 AM
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posting this here for reference

https://www.miataturbo.net/build-thr...hp-bust-84579/

Read the discussion around dialing in the bcs.
1) figure out the range
2) figure out if it operates in normal or inverted mode
3) use setup mode to establish boost bias table
4) finalize closed loop boost for our 10psi everywhere goal

Last edited by 18psi; 08-22-2017 at 11:57 AM.
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Old 08-22-2017, 11:55 AM
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Originally Posted by Lexzar
I made a mistake and sat/rode in a Recaro Pole position.

Does it fit a miata?
Depends on how you define "fit".

Tunnel bashing will definitely be required. If you want it centered with the steering wheel you will likely need to cut and patch in a notch. The shoulder wings will probably still hit the doorcard, but not enough to prevent closing. The tricky part will be mounts if you nee to have the seat far back in the car. The Garage Star brackets will limit rearward travel a lot. The adjustable PCI brackets will give you full rearward travel, but mount you higher. The fixed PCI mount or the newer Planted brackets may work better, but I never tried them.

Source: I had a Recaro Profi SPG XL (maybe slightly bigger than the PP) in my NA for a while. Decided to go back to OEM NB2 seats until I can pony up for some fabrication work that will allow a bigger seat to fit well.
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Old 08-23-2017, 03:55 PM
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Originally Posted by Lexzar
I made a mistake and sat/rode in a Recaro Pole position.

Does it fit a miata?
I had one in my Miata, but it was Right Hand drive.

I made mounts to sit it right on the floor (fixed) and with it that low and pushed as tight to the trans tunnel as possible it only barely touched the door panel. Consider that when looking at how it will fit on the left side...
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Old 08-24-2017, 01:18 PM
  #460  
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Seem to be making good progress finally with the boost control, tune revision sent
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