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Custom ported and CNC throttle bodies, upper and lower manifolds by Synergy Composite

Originally Posted by synolimit Doesn't gtm already have one made? They're working on it.

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Old 03-01-2014, 09:01 PM   #16 (permalink)
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Originally Posted by synolimit View Post
Doesn't gtm already have one made?
They're working on it.
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Old 03-01-2014, 09:02 PM   #17 (permalink)
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They're working on it.
So 3 years like all 370z parts? Love this car.
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Old 03-01-2014, 10:51 PM   #18 (permalink)
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before and after pics of ported mani would be cool!? ;p
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Old 03-01-2014, 10:53 PM   #19 (permalink)
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before and after pics of ported mani would be cool!? ;p
Will do. From the z1 pics I saw it can only be better. Plus the review I just read, it's not looking good.
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Old 03-01-2014, 11:24 PM   #20 (permalink)
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I think this will deff give extra power! I know the gtr guys ported and polished there stock manis and got great gains, yes I know two completely different cars but still think there is potential.

Also if I remember correctly Megan bored out his TBs and had a custom intake and saw gains.
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Old 03-02-2014, 12:36 AM   #21 (permalink)
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Originally Posted by ts-c63 View Post
I think this will deff give extra power! I know the gtr guys ported and polished there stock manis and got great gains, yes I know two completely different cars but still think there is potential.

Also if I remember correctly Megan bored out his TBs and had a custom intake and saw gains.
was that before or after he did the HR head swap though?
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Old 03-02-2014, 12:42 AM   #22 (permalink)
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As seen the manifold to intake runner line up is slightly off....others and myself have sanded down the manifold to meet the intake runner better....same goes for the TB to manifold, the plastic mold kinda protrudes a bit and can be sanded down also making a smooth inlet...

I have polished my intake runner...want to

in for more

http://my350z.com/forum/intake-exhau...-clean-up.html
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Old 03-02-2014, 01:46 AM   #23 (permalink)
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I've been contemplating cleaning mine up while it's off for the injector swap.
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Old 03-02-2014, 07:16 AM   #24 (permalink)
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Quote:
Originally Posted by synolimit View Post
what do you guys think AZ should do with the TB's? anyone have experience on another car? either port the front and back of the TB and give it a knife edge or bore the whole thing and give it a bigger butterfly plate?
If I remember correctly, JUN bored the whole throttle body and gave it a bigger butterfly plate as well.

IMO, bore as big as you can without sacrificing the structural integrity.
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Old 03-02-2014, 08:52 AM   #25 (permalink)
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Originally Posted by luigi90210 View Post
was that before or after he did the HR head swap though?
I didn't test a ported VHR intake manifold on the VVEL engine neither on the HR engine.

my last testing was in 2012 on the HR intake manifold (barely ported) on the VVEL engine and there was a lot of gain below 7000rpm and pretty much the same 7000 to 7500

then I did a separate test on the 2 different size of TB and there was also a good gain there ,, but wont do **** if you still have the OEM air box since you need a bigger MAF tube.

Most of that stuff is in the first few pages of my Journal

Right now the HR Intake manifold has been port matched with the lower intake manifold for over a year now. but I haven't done any true testing on the dyno but did seen in avg more air going in (Maf Voltage avg.) during street tuning


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Im XChacalX that posted some picture on there
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Old 03-02-2014, 11:22 AM   #26 (permalink)
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I am thinking about doing this with my M370 but have no experience with it, although it doesn't look too difficult to do. What tools do you guys recommend using, dremel attachments, etc?
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Old 03-02-2014, 01:36 PM   #27 (permalink)
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I am thinking about doing this with my M370 but have no experience with it, although it doesn't look too difficult to do. What tools do you guys recommend using, dremel attachments, etc?
I basically copied Megan370z (thanks ). I used an air dremel and various sized sanding wheels and stones to carefully (CAREFULLY!!!) remove the rough parts from molding process and open it up a little. Then I used various grits of sandpaper to finish everything, all the while maintaining the stock shape (just getting the sharp edges out and opening it up a tiny bit). I also matched the upper and lower manifolds with the dremel and sandpaper.

The HR upper manifold (or M370) is a mess inside. The molded halves weren't meeting up correctly inside the runners. Turbulence was almost certainly reduced after I smoothed everything out, but I have no dynos to prove anything.

One thing to look out for when installing just the upper manifold:
There is room for the upper manifold to move around in relation to the lower manifold due sloppy tolerances in the bolts and holes that line up the two manifolds. This could cause a less than optimal flow. So if you're anal about it like I am, your best bet is to remove the upper and lower manifolds and match them. Then make a note of how they need to be attached to avoid a kink in the flow. There is probably an ~2 mm movement possible between the upper an lower manifolds on my Z. It might not matter, but I feel better knowing that everything now functions like one continuous runner with no kinks or sharp angles.
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Old 03-02-2014, 05:06 PM   #28 (permalink)
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If I remember correctly, JUN bored the whole throttle body and gave it a bigger butterfly plate as well.

IMO, bore as big as you can without sacrificing the structural integrity.
I'd prefer that but I don't want to pay hundreds more.
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Old 03-02-2014, 05:11 PM   #29 (permalink)
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Originally Posted by Mandingo View Post
I basically copied Megan370z (thanks ). I used an air dremel and various sized sanding wheels and stones to carefully (CAREFULLY!!!) remove the rough parts from molding process and open it up a little. Then I used various grits of sandpaper to finish everything, all the while maintaining the stock shape (just getting the sharp edges out and opening it up a tiny bit). I also matched the upper and lower manifolds with the dremel and sandpaper.

The HR upper manifold (or M370) is a mess inside. The molded halves weren't meeting up correctly inside the runners. Turbulence was almost certainly reduced after I smoothed everything out, but I have no dynos to prove anything.

One thing to look out for when installing just the upper manifold:
There is room for the upper manifold to move around in relation to the lower manifold due sloppy tolerances in the bolts and holes that line up the two manifolds. This could cause a less than optimal flow. So if you're anal about it like I am, your best bet is to remove the upper and lower manifolds and match them. Then make a note of how they need to be attached to avoid a kink in the flow. There is probably an ~2 mm movement possible between the upper an lower manifolds on my Z. It might not matter, but I feel better knowing that everything now functions like one continuous runner with no kinks or sharp angles.
Makes sense. What AZ should do it gasket match the items. That way you're way oversized on the parts so that 2mm wiggle room shouldn't matter.
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Old 03-03-2014, 03:52 AM   #30 (permalink)
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Quote:
Originally Posted by Megan370z View Post

Im XChacalX that posted some picture on there
Props again man! I too have been slacking and haven't tuned since added a few breather parts!
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