Miata Turbo Forum - Boost cars, acquire cats.

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-   -   Toys! Glorious toys! SAD FACE :( (https://www.miataturbo.net/insert-bs-here-4/toys-glorious-toys-sad-face-31249/)

Braineack 02-07-2009 02:17 PM

Toys! Glorious toys! SAD FACE :(
 
Picked up a few goodies this week. now to get off my lazy ass and do something about it...

http://www.boostedmiata.com/random/t...eels_seats.JPG

http://www.boostedmiata.com/random/t...%20%281%29.JPG

http://www.boostedmiata.com/random/t...%20%282%29.JPG

http://www.boostedmiata.com/random/t...%20%283%29.JPG


http://www.boostedmiata.com/random/t...%20%284%29.JPG


These wheels are going to be my new DD wheels, I have to swap my current tires over to them. I'm then going to mount some 215/45 RS2s on the Kosei's since they are 7.5" they should be better suited for my race tire.

I'm planing on swapping out my huge IC with this old Bell unit, it should net more better spool (i lost about 500rpm when I went to the bigger core) and since the car is 90% used to drive my fat ass to work, it will suffice.

I hand a line on some fixed back seats, however they were going to be black/yellow and I don't fit in most seats very well. I figured these would be a good compromise to leave in year-round and still work with harnesses. The bolsters fit me perfectly and should be pretty comfortable.

patsmx5 02-07-2009 02:21 PM

I don't see how a bigger IC hurts spool. Makes no sense whatsoever. Nice wheels though. What brand are they?

deliverator 02-07-2009 02:26 PM


Originally Posted by patsmx5 (Post 364913)
I don't see how a bigger IC hurts spool. Makes no sense whatsoever. Nice wheels though. What brand are they?

Look like Rotas to me.

Nice toys!

Vashthestampede 02-07-2009 02:43 PM

Rota C8's. I've wanted a pair in bronze and black for the longest time now. Did you get the silver or royal bronze? Its hard to tell by the pictures.

Vash-

Braineack 02-07-2009 03:10 PM

1 Attachment(s)

Originally Posted by patsmx5 (Post 364913)
I don't see how a bigger IC hurts spool. Makes no sense whatsoever. Nice wheels though. What brand are they?

The core likely has a large pressure drop. I saw a significant loss of spool when I upgraded from a 11x12x3 core. I guess it's in the 3-4psi range, which is enough to make me lose about 500rpm for peak boost:

Attachment 208401

Since this IC has the old vertical runner style it should have less pressure drop with a trade off in efficiency. But it's rated at 922CFM vs. 560CFM of my current one that's twice as large.




Originally Posted by Vashthestampede (Post 364926)
Rota C8's. I've wanted a pair in bronze and black for the longest time now. Did you get the silver or royal bronze? Its hard to tell by the pictures.

Vash-


Yeah Rota Circuit 8s in 16x7. They are Steel Gray, but they look Nickel, really cool huh!

patsmx5 02-07-2009 03:43 PM

Pressure drop would be a function of resistance, or flow. If you actually lost 3-4 PSI in the mid range, from that IC, you'd be loosing 9-10 PSI across that IC by redline. Hard to believe it's that restrictive. Also, unless you have a 350 under the hood, you're not flowing 560CFM through the IC.

Braineack 02-07-2009 04:09 PM

It's the only change to the system between those two dynos. If the turbo has to output 18psi to achieve 14psi in the IM, then that's extra time it takes to build peak.

If anything, it'll be an easy swap and ill be able to find out as soon as I take my first log.

patsmx5 02-07-2009 04:51 PM

Curious to see your results. I can't possibly imagine the IC being that restrictive unless you filled it full of leaves or something. Guess I'll have to measure the pressure drop across my 20x12x3 core one day. Someone else on the forum here measured a 1PSI drop across an 18x12x3 core IC. Figured mine's probably close to that. If you lost spool between dyno sessions, it's probably from something else IMO. But still curious to see your results.

Braineack 02-07-2009 04:56 PM

I'm curious as well, because my core is 18x12x3 :P

it could be my EBC table, as you can see before it spiked then dropped, so the extra help of the wastegate being held shut could have been the difference.

patsmx5 02-07-2009 05:09 PM

Are you saying that your EBC table was different between dynos? I could see that affecting spool. :)

y8s 02-07-2009 05:53 PM

sweet mang. now bring me that temp sensor and thinset mortar!

The_Pipefather 02-07-2009 05:57 PM


Originally Posted by Braineack (Post 364909)
I'm planing on swapping out my huge IC with this old Bell unit, it should net more better spool (i lost about 500rpm when I went to the bigger core) and since the car is 90% used to drive my fat ass to work, it will suffice.

Finally someone here goes and does what I've been saying all along. The small probe IC is one of the secrets of my spool. Way to go man, I'm pretty sure you'll pick up a couple hundred rpm at the very least, and also better throttle response beyond your threshold rpm.

Braineack 02-07-2009 05:59 PM


Originally Posted by y8s (Post 364986)
sweet mang. now bring me that temp sensor and thinset mortar!


about the clt sensor....

hustler 02-07-2009 06:48 PM

are you going to run it that lean on the track? I targeted 11.5:1.

bryantaylor 02-07-2009 08:22 PM


Originally Posted by hustler (Post 365021)
are you going to run it that lean on the track? I targeted 11.5:1.

gtfo

levnubhin 02-07-2009 08:33 PM

I heart your seats. If you decide later down the road that you dont want the IC let me know. You cleaned that thing up pretty damn good.
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Fireindc 02-08-2009 08:13 AM

Awesome. I love those wheels and the seats, though i probably wouldn't waste my time with the intercooler. I am curious to see if it makes any kind of difference.

I demand pictures of the car with those wheels on it!

Newbsauce 02-08-2009 09:09 AM

Nice to see you kept the garage clean haha.

y8s 02-08-2009 11:51 AM

btw, brad and scott, we never went to the Transporter 3...

Braineack 02-09-2009 03:45 PM

yeah we didnt! We'll catch the next good movie coming out. When does TransFORMERS come out?


BTW, I ordered two grommets to add the 5th-hole for the submarine strap for the seats. Corbeau sells them and they suggest it's a very simple install if I'm handy enough. Now to pick out harnesses.

http://corbeau.com/product_images/5t...Slot-A4-XL.jpg


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