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Old 07-06-2016, 11:44 AM   #981
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Does the brace fit with the Mocal oil cooler shenanigans we've all been participating in?
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Old 07-06-2016, 12:23 PM   #982
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Quote:
Originally Posted by aidandj View Post
Did you mean 1 AWR mount and 1 mazda comp mount? Or actually 2 of the rubber sandwich mounts.
2 rubber sandwiches.

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Originally Posted by psyber_0ptix View Post
also long runner with the plenum far set which will induce a larger moment about the flange.
This, It was all the way out over the shock mount. That's a long lever, especially with the intake pipe being unsupported by anything other than the manifold/throttle body.

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Originally Posted by aidandj View Post
That plenty of people have run BP's to high RPMs with stiff mounts and haven't broken intake manifolds.
Chinese copy, straight runners(not curved up/in like OE VICS/Square, no support like OE.

I don't believe psyber should reconsider stiff engine mounts because someone running a knockoff honda manifold broke theirs. Apples to Oranges.
Yea, no. This is a pretty weird situation, not much to gathered that we didn't already know. Just sharing the carnage.

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Old 07-06-2016, 12:26 PM   #983
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Doward, if memory serves didn't you also snap the ear off a water pump some time ago? Or am I thinking of someone else?
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Old 07-06-2016, 12:26 PM   #984
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"Motor was"? Did it eat some intake?
Just parting out my TTD car. Motor actually ran pretty well with having four giant vacuum leaks. I was just removing accessories to make it easier to store on a cart in the garage and discovered this.
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Old 07-06-2016, 12:27 PM   #985
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Doward, if memory serves didn't you also snap the ear off a water pump some time ago? Or am I thinking of someone else?
Yep. Probably related. This motor felt "harsh" compared to my current stable, even with the damper and "built/balanced" bottom end.
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Old 07-06-2016, 12:33 PM   #986
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I break all things. even broke an Intake cam recently. Never broke an intake manifold haven't run a brace ever. been running a modified NA manifold on a 99 head for a long time now.
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Old 07-06-2016, 12:45 PM   #987
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Cold air intake hanging off a straight runner china copy manifold way out by the shock mount vs overbuilt bombproof OE manifold with inlet piping supported by a hard-mounted intercooler on the other end.

It lasted 6 years of pretty much 85% track/autocross use. My dyno post is on pg 7 of this thread. I'm not even upset.
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Old 07-06-2016, 12:45 PM   #988
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You ever run a honda or custom IM, Bob?
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Old 07-07-2016, 01:06 PM   #989
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You ever run a honda or custom IM, Bob?
No I bought one thinking of using it for a non turbo build but I went VICS instead. Some mods to the VICS in that I cut it open and removed EGR features and smoothed the thought a bit took off all flash and extra bosses. actually reduced the weight by a couple pounds. Kept the VICS chamber function like stock.

I've run two different 94-97 manifolds modified to fit a 99 head on my turbo beast. Both were heavily messaged cut open ported all the EGR features removed all extra flash and bosses ground off thick sections thinned etc. The first one I cut and welded on a 1/2" thick piece of 5052 for the head flange. The one I'm currently using I just moved the holes but there was a lot of welding grinding and shaping in the way I did it, everything smoothed out so it looks like it was cast that way, removed some weight as well.
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Old 07-24-2016, 11:14 PM   #990
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So I have been lurking this thread for a while. I have been running a ebay skunk2 knockoff for close to half a year now and am in the process of making two more for friends. Ive been CNCing my flanges and welding them to a cut b18 manifold. Ive also been running the stock miata manifold support. The flange is .5" thick 6061. I have about 8,000 daily driven miles on this setup (with AWR race motor mounts so there is a shitload of vibration) with 0 issues on the welds.

When you cut the flange off, the runners are ~5mm out of alignment and a different size. Originally I was grinding the flange and manifold to fit but I decided to spend a little time to redesign the flange for my friends builds and am doing cnc port matching between the BP head and B18 runners. The long of the short of it is now that I have a fixture and code made for this flange, I figure Id offer to sell a few if anyone wants one. I also can do a full kit which would include a blockoff plate for the b18 mani ports which also serves as a throttle cable mount and an adapter to clock and attach the miata throttle body to the manifold. Right now the design is for a 99+ head but it wouldn't bee to hard to do a 94-97. The price for a flange is $100 and for a full miata kit it would be $150.

Ill make a post in the for sale section as well.
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Honda intake manifold-ccnc06.jpg   Honda intake manifold-ccnc07.jpg   Honda intake manifold-ccnc08.jpg   Honda intake manifold-ccnc09.jpg  
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Old 07-24-2016, 11:38 PM   #991
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giggling like a little school girl over here!
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