new header - interested?

The Nissan Versa Tech Discussion forum is the place to discuss Versa performance modifications and maintenance.
robj80
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Ok since I have seen that many of you are after performance and I happen to associate with someone who build quality parts I inquired. His name is Charles and he use to work for a well known company but is now on his own. I will leave the name of that company out for now. He has made parts for high end performance cars but I know him for his work he did with the SR20DE.

He built what we call the budget header. It is not cheap like OBX but the quality would be way better and the gains if anything like any of his other work will be phenomenal. The price would be in the $5-600 range theoretically. Now that may go up or down depending on the fluctatating price of materials and choices we make. Such as mild steel vs stainless, or shortening the down-pipe to leave room for a CAT vs eliminating the CAT.

Here is a dyno of an SR20DE powered car comparing the stock header for Charles' header. This was done same day on same car I believe. Only other thing might have been a bump in fuel pressure or timing. But like with any performance mod you can get more out of it by tuning. Luckily we have UpRev that can handle all of that :).
Image

So if there is some interest I will keep talking to him. He will need a dyno of a stock MR18 powered Versa so he can look at the curve. He might also need to have a member stop down at his shop for fitment and such. I am pretty sure he is out in Washington. He is really cool guy and I have known him on the SR20 boards for years now.

If something like this was to actually work out and he made some then it may be the tip of the iceberg. Never know, maybe next would be an intake manifold, or even turbo manifold? You guys wanted options and people taking interest in the V well here we go. He said if we get enough interest he can start actually working on something in about 2 months.


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blindsnyper
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as of right now im not interested, but later on down the road i will be.
post this in the cube section, an obx header for the V was just put on a cube and worked perfect. plus they arent pansies when it comes to modding like MOST V owners.

robj80
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Thanks for the tip. I was wondering if they would work on the CUbe.

robj80
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wow not getting much interest over there either?!? This might die before it even starts. Sad

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blindsnyper
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yes, i am in oregon (prinevlle, almost exactly in the middle of oregon). i would lve to be a guinea pig....

robj80
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blindsnyper wrote:yes, i am in oregon (prinevlle, almost exactly in the middle of oregon). i would lve to be a guinea pig....

That might be a haul as I think he is in Seatle area. But the interest is growing for this so hopefully someone is closer. It's not like Cube's and Versa's are scarce so a test vehicle shouldn't be too hard. Knowing him he will probably rent a Versa for the day for testing :rotfl

carlos15
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i would buy one better than thos pos obx headers

robj80
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carlos15 wrote:i would buy one better than thos pos obx headers
this seems to be the general consensus of the obx header. They are garbage apparently. I do know they gave a few people issues. Considering I only know a few people that have them it's a high percentage.

robj80
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We need some info people. Please post up if you have any information he needs
no problem. i may try to find a doaner car locally and possibly borrow to build the header and dyno, and or just build it and send to whoever can test and compare.

if i did do a set of headers, i could then let that guy keep that header, if not, then i would want it back...

i will see if i can get a header gasket so i can look at getting a flange made to build the first one.

all i would need of the stock stuff is some numbers...
1) stock primary header tube diameter...
2) secondary before cat pipe diameter...
3) after cat pipe diameter...
4) stock exhaust size...
5) available aftermarket exhaust size...

with those things, i can atleast get a partial idea on materials cost and availability and have a good idea of what to order when i build the prototype.

i want to know the stock exhaut size AND aftermarket so i can build the header to perform with both...

most likely, i can make more power with my header and stock exhaust vs obx header and aftermarket exhaust..
I have the 1.6 so I am useless for this :). This header is being designed for the MR18 and not the HR16.

carlos15
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phew good thing i got the 1.8 :)

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Promise Land
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How much hp is this going to be designed for? 120 (stock engine), 130 (cai and exhaust), 140 (MR20 swap), or 160+ (MR20 tuned up)?

robj80
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I don't really understand your question? There is no way to tell how much HP it will make until one is made and on the dyno. I don't claim to know anything about header design but this guy definitely does. He starts going on about length of runners, port sizes, and all these calculations that might as well be written in a different language. As you can see by the dyno above, that is a header he made on a stock engine. So if he can get close to that kind of increase I think everyone would be very happy.

unmei
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would a header for the mr18 work on the mr20? there a lot of sentra mr20 ppl in need of a header. i am def interested in this.

robj80
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I have never seen an MR20 in person. I would have no clue if they are interchangeable. I will let him know that the mr20 people are interested.

robj80
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Ok he is willing to take an OEM header to look at and measure. But the owner of the header needs to ship it to him and will not get it back for a few months while research and development is taking place. It needs to be a complete unmodified OEM header and downpipe.

And if somone in sentra land has an OEM mr20 header he said he would look at that too.

unmei
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cool beans, thanks.

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Promise Land
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MR20 from the Sentra and the MR18 from the Versa are the same engine block. The stroke is different between them, but bore is the same (IIRC).

marinemonkey
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I will be interested in this if there is good power gain and the price isn't insanely high. Also doing a header would that help the fuel economy because it breaths better or will it be around-about the same? Of course if you had cai and full cat back exhaust.

Thanks
William

robj80
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expect $5-600 for this header. If that is insanely high then I'm sorry but OBX will be your only option.

As far as fuel economy goes maybe adding on performance parts isn't the best way to go. The best thing to do is keep it stock and have a feather foot. Trust me on this as I went from a hp nut to a mpg nut. My versa doesn't ever get below 40mpg :).

marinemonkey
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yea im going from a 74 dodge charger with a 318 and a 73 ply duster built 318 with a 3 spd to a 4 banger 6 spd lol so yea hp to no hp is still getting to me but im not used to this little cars because if i put headers on my old cars and better exhaust i got better fuel economy but on these thing i hear it is backwards...

robj80
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No you can actually gain mpg with mods. But most who put on these mods want to go faster. That is what kills your mpg's. IF you mod your car and tune it to not dump fuel, then drive it like you did before the mods then most likely you will gain mpg. Case in point I turbo charged my old infiniti g20. It added over 80whp and I actually got much better mpg when I tried. But laying into the pedal also resulted in a 17mpg tank.

TheSilverVersa07
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I WOULD BE INTRESTED BUT I HAVE A 1.8 SO I GUESS ITS OUT OF THE QUESTION FOR ME.

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blindsnyper
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^^^ it will be for the 1.8 (if it comes happens)

marinemonkey
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so if putting a header and intake and exhaust on it and driving it the same will help with mpg IF i drive the same?

robj80
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that is how it seems to have worked for me in the past.

Bmitten
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Car: 2009 Nissan versa sedan 1.6.
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Have they made any headers for the 1.6 cuz I have been everywhere lookin for them and suposably they don't make any yet ... Does any1 kno of any1 that makes them?


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