YAY! you the man!
your a man right. lol |
I wonder what you can do with a 90-93, seein as how it doesn't have egr.
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I am almost certain that is my old 94 IM that I just sent them. I can not wait to see what type of numbers it makes.
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That it is! Very excited how it turned out personally!
-Sam |
Originally Posted by Renown Performance
(Post 791624)
YAY! you the man!
your a man right. lol |
LOL. ooooh Fridays!
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Y8s FYI I have a 99-00 intake that is completely gutted.
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BTW Renown, please measure volume before and after port/gut.
I gained about .7 or something liters after gut |
Originally Posted by Faeflora
(Post 793200)
Y8s FYI I have a 99-00 intake that is completely gutted.
But I'd like to. Oh Reeeeeknownnnnnn? |
Originally Posted by y8s
(Post 793340)
Yeah I'm still unconvinced that it's a worthwhile mod but then I haven't seen apples-apples dyno plots comparing a stock 99, 01, gutted 99, and Keith's dual runner style 99, and an 01 with the VTCS removed.
But I'd like to. Oh Reeeeeknownnnnnn? |
what? if anything that proved your setup sucked big time.
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Originally Posted by Braineack
(Post 793410)
what? if anything that proved your setup sucked big time.
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cuase if anything, the better flowing IM will keep the TQ flatter longer, thus the HP peaking later.
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Originally Posted by Faeflora
(Post 793403)
Hey now, two dyno days ago, I demonstrated a lovely flat HP line holding to redline. Proof of gut airflow joy. And that was with a big ass boost sag too.
now put a stock manifold on yoru car with exactly the same setup and do it again. |
Originally Posted by Faeflora
(Post 793201)
BTW Renown, please measure volume before and after port/gut.
I gained about .7 or something liters after gut I am working with Ben at DIY Autotune about testing the different Manifolds for us. We hope to have dyno results soon. Its nice to keep things unbiased. One thing we would like to make clear is that we are trying out a few different porting Theory's on the manifold, one may work better then the other. However we have an awesome Porting team that have mad porting skills yo! LOL. In all honesty though our team has years of experiences and will be applying what they know and and have seen work in past projects. |
2 Attachment(s)
Originally Posted by y8s
(Post 791527)
here's some good reference info:
http://forum.miata.net/vb/showpost.p...9&postcount=17 https://www.miataturbo.net/attachmen...ine=1320336754 https://www.miataturbo.net/attachmen...ine=1320336754 In turbo applications, I understand you are also looking for additional volume, so you probably want to remove as much material as possible. Before: Attachment 186581 After: Attachment 186582 |
Originally Posted by oreo
(Post 793549)
indicating this mod improves flow.
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Originally Posted by triple88a
(Post 793650)
Any noticeable difference in power?
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Same setup and less boost at the plenum= more flow, more flow = more power.
What do you know, someone agrees with Fae. Just kidding mate. Dann |
Originally Posted by Faeflora
(Post 793680)
More flow = more air which + fuel = more power
With a positive displacement supercharger, it's a little different. The supercharger will pump almost the same amount of air with 2 psi reduction in backpressure (boost). Lowering the boost, by reducing the engine restriction, will reduce the HP required to turn the supercharger, and allow the supercharger to pump a tiny bit more air. I'm going to the dyno later this week, and intend on doing a run, with the butterflies in reversed position (open at low rpm, and closed at high rpm), to see what the HP difference is. I would expect there to be a larger difference with a turbo. |
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