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Old 10-06-2010, 04:45 PM   #1
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Default Manifold w/ Turbo on Top??

**I've been searching for a few days and have yet to find what I'm looking for, hoping someone can help out**

I'm looking for a manifold that holds the turbo on top (like BEGI's tubular manifold, but up-side-down - see the pic below)…I'd prefer the following specs for a 1.8L engine:
1) holds the turbo on top of the manifold
2) Manifold tubes bends down, then up for turbo flange (to keep the turbo from sitting too high)
3) Turbo as close to the block/head as possible
4) Turbo to be centered (some are offset towards the front of the engine).
5) No need for EGR

Here's BEGI's manifold - I'd love this exact one, but up-side-down.


Anyone know of one that already exists…or possibly a source to have one fabricated w/o breaking the bank? Thanks!!!

*I'm building a Lotus 7 style car (MNR Vortx) w/ the driveline from a '99 miata…I had planned to use a FFS coldside supercharger, but just found out that it won't fit b/c it interferes w/ the chassis/body work. I've got space on the exhaust side, but not as much as a miata, so I need to hold the turbo a little higher.
Pic of what the car will look like:

Last edited by first350; 10-06-2010 at 05:01 PM.
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Old 10-06-2010, 04:51 PM   #2
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My first thought was Mtuned's 1.6 manifold...but I think you need one for a 1.8.

I don't know of a topmount non POS manifold off the top of my head. You could contact either ARTech or turbotim to see how much a custom made manifold would be. They do kick *** work.
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Old 10-06-2010, 05:02 PM   #3
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Quote:
Originally Posted by Jeff_Ciesielski View Post
My first thought was Mtuned's 1.6 manifold...but I think you need one for a 1.8.

I don't know of a topmount non POS manifold off the top of my head. You could contact either ARTech or turbotim to see how much a custom made manifold would be. They do kick *** work.
correct - I have the 1.8L. Thanks for the info...I'll contact both of them and figure out pricing!!
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Old 10-06-2010, 05:11 PM   #4
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check y8's manifold. its exactly what you describe. I believe its an m-tuned/etd racing long tube top mount.

They also make shorty top mounts but they're a little slanted.
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Old 10-06-2010, 05:15 PM   #5
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they dont make the one y8s has anymore. But even the greddy replacement manifold would be an option.






HKS is another:





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Old 10-06-2010, 05:48 PM   #6
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I am running one like you described. (Wishing it was like the BEGI) lol mine is prob and ebay special but looks nothing like what is on ebay right now. So might be a decent unit.
FYI - I am having trouble with excessive heat from the tubes on my A/C. Lots of heat with little air. Will be wrapping it next. Be aware of a tight lower rad hose clearance. Less than a finger width. I welding the rad housing pointing 45deg down to give more space. Is out of the car now, so can take some pics if no one else has any.
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Old 10-06-2010, 05:53 PM   #7
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OP it sounds like your best bet will be to have one custom made. Contact Turbotim or artech and I'm sure they can get you what you want.

they're more pricey than the typical off the shelf stuff, but when you want something "to spec" and done right its worth the extra hundred or so bucks.
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Old 10-06-2010, 06:17 PM   #8
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Thanks for all the replies - looks like I've got a few options. I may just go w/ the Greddy unit...a few more notes on my set-up:

-I'm looking for ~200HP, so I don't need anything too extreme. (internal waste gate, 7-10lbs boost, no IC for starters)
-No PS, AC, no heater (so no coolant line under the exhaust)
-Steering column is a little higher than the Miata's, and the chassis rail is just below the exhaust ports on the head...which is why I'm looking for the turbo to sit higher.
-Running RX-8 injectors and MS ECU.

thanks again for all the help - can't wait to get this thing running!!
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Old 10-06-2010, 06:19 PM   #9
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greddy doesn't make manifolds for 1.8
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Old 10-06-2010, 06:26 PM   #10
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ARTech
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Old 10-06-2010, 06:32 PM   #11
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I have an HKS manifold that looks like this that I won't be using because I'm going low-mount, if you are interested. It is for a 1.8 and a T25.

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Old 10-06-2010, 08:13 PM   #12
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Quote:
Originally Posted by sixshooter View Post
I have an HKS manifold that looks like this that I won't be using because I'm going low-mount, if you are interested. It is for a 1.8 and a T25.

What valve cover is this?
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Old 10-06-2010, 08:22 PM   #13
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It's a KIA FE3 valve cover.
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