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Old 10-23-2012, 02:36 AM   #1
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Hey so I came across a thread in the honda intake were the B ser manifold ports match up and just need to cut the flange/reweld a 1.8 flange on.

Question is what about the exhaust ports? Do those match up? Also came across that a DSM 1G intake manifold is close, again what about the exhaust side.

I really need is specs of exhaust ports for a 1.8 94-97 and wanna see how close a DSM manifold would work.

May flame this thread and say just get a FM or begi manifold and call it day. However can get both these manifolds for next to nothing and a flange isn't to much and would be in total half the cost of a new FM/Begi manifold.
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Old 10-23-2012, 03:03 AM   #2
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Quote:
Originally Posted by Silentoreo34 View Post
Hey so I came across a thread in the honda intake were the B ser manifold ports match up and just need to cut the flange/reweld a 1.8 flange on.

Question is what about the exhaust ports? Do those match up? Also came across that a DSM 1G intake manifold is close, again what about the exhaust side.

I really need is specs of exhaust ports for a 1.8 94-97 and wanna see how close a DSM manifold would work.

May flame this thread and say just get a FM or begi manifold and call it day. However can get both these manifolds for next to nothing and a flange isn't to much and would be in total half the cost of a new FM/Begi manifold.

I was the one who posted that pic of the intake gaskets overlayed. I will see if my buddy can provide me with a exhaust gasket or something.
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Old 10-23-2012, 03:13 AM   #3
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I was the one who posted that pic of the intake gaskets overlayed. I will see if my buddy can provide me with a exhaust gasket or something.
Thank you I also remember 1G and 2G being different I'll talk to my dsm buddy tomorrow and ask him and i'll try to get both 1/2G measurements myself.
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Old 10-23-2012, 03:59 AM   #4
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I cannot fathom why you would try to make a DSM manifold work, vs. just buying weld-ells and building a simple log manifold. We use Honda IMs because intake manifolds are very hard to design (because you must evenly distribute air) and difficult to build from component parts. Exhaust manifolds are not at all hard to design, and even easier to build from component parts.
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Old 10-23-2012, 09:29 AM   #5
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Some people obviously don't value their time and would rather dick around with this nonsense for weeks rather than spend a couple hundred on weld els.
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Old 10-23-2012, 01:46 PM   #6
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I actually looked into this for my 1.6 a couple weeks ago. There's no good Miata manifold on the market for a TD04/05 Mitsu flanged turbo without going custom, but Forced Performance makes a fantastic one for DSMs that flows great and is relatively inexpensive. So I measured.



However, at least on a 1.6, there's about 1.5" difference center to center from #1 ex port to #4, so yeah not really going to work at all at least for me. IDK what the 1.8 measures but it's probably still a ways off.
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Old 10-23-2012, 01:58 PM   #7
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Quote:
Some people obviously don't value their time and would rather dick around with this nonsense for weeks rather than spend a couple hundred on weld els.
Once again was looking for simple measurement. If its close sweet if not or well just came across the idea and wanted to ask if someone can measurement for a 1.8.

But its okay I know you just like to sit on here and ragequit.

Quote:
I actually looked into this for my 1.6 a couple weeks ago. There's no good Miata manifold on the market for a TD04/05 Mitsu flanged turbo without going custom, but Forced Performance makes a fantastic one for DSMs that flows great and is relatively inexpensive. So I measured.
Yeah FP makes a great manifold and dsm guys run them all the time around here. Another part of the reason I was asking was because I'd like to run a 16g myself but I also have a turbo builder that said he has a T2 flange hotside for a 16g so also can do a normal FM/Begi manifold. Which is why I was just trying to see if they were even close.
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Old 10-23-2012, 02:47 PM   #8
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The only T2 hotside I've seen for a Mitsu TD05 has an 8cm^2 volute, which will spool slow as **** and be really boring below 5-5.5K rpm. Is it smaller than that? If so, who made it? The stock 7cm housing I'm running is just barely passable for street fun on a 1.6.
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Old 10-23-2012, 03:34 PM   #9
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I'm a dsm guy. I took my turbo manifold of my 1g gsx to compare to my 1.6. Its a difference. I had the same idea to do what you were talking about, because I wanted to run a mitsu 14b setup. Seems easier just to buy a DIY manifold kit and build your own. I didn't take measurements.
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Old 10-23-2012, 03:37 PM   #10
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Or maybe cut the flange off of a miata manifold and weld on the flange that fits the Turbo you want to use.
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Old 10-24-2012, 03:34 AM   #11
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Old 10-24-2012, 04:14 AM   #12
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^Thank you!
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Old 10-24-2012, 11:49 AM   #13
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Is that a 1.8 flange, William?
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Old 10-24-2012, 11:53 AM   #14
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yes, it is from here NB 1.8 MX5 MIATA exhaust flange by kadernik - 3D Warehouse

come to think of it there could be a thread to post various flange drawings?
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Old 10-24-2012, 12:03 PM   #15
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Only if they are all set against ponies and kitties in the background.
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Old 10-24-2012, 03:34 PM   #16
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Quote:
Originally Posted by sturovo View Post
yes, it is from here NB 1.8 MX5 MIATA exhaust flange by kadernik - 3D Warehouse

come to think of it there could be a thread to post various flange drawings?
There actually is one. IRRC its got a 1.8 in both 2d and 3d formats, a 1.6 and a couple turbo flanges. I think its in this section.
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Old 10-25-2012, 07:19 PM   #17
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FWIW, I measured the DSM flange again today and it was about 1/4" off center to center from port #1 to #4 using the dimensions William posted above. So not that far off for a 1.8. Still not worth it given the decent selection of manifolds available for a 1.8 though.
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Old 10-26-2012, 02:08 PM   #18
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Quote:
FWIW, I measured the DSM flange again today and it was about 1/4" off center to center from port #1 to #4 using the dimensions William posted above. So not that far off for a 1.8. Still not worth it given the decent selection of manifolds available for a 1.8 though.
I was just wondering if it would the idea came up and was worth a shot of checking. I did just get a 1.8 log manifold for now and not sure if I wanna do T25 or 16G yet.
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Old 02-05-2015, 12:50 AM   #19
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I ******* hate to bump a 3 year old thread but...

I have this glorious 16g sitting in a cabinet... I would seriously like to make this bastard work on a MSM engine. All I can find on ebay is ******* 1.6l manifolds.

Does anyone make a DSM/Galant VR4/Early Evo flanged td05 style manifold for the BP engine?
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Old 02-05-2015, 01:13 AM   #20
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No.
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