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Nissan Motorsport 6-2 header group buy EOI


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#21 neRok

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Posted 17 November 2011 - 10:13 AM

im interested.

would these be ridiculously overkill for a near stock engine? the price isnt much different to the basic extractors going on ebay.

#22 luvemfast

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Posted 17 November 2011 - 10:21 AM

im interested.

would these be ridiculously overkill for a near stock engine? the price isnt much different to the basic extractors going on ebay.

Overkill for stock? YES  ;D
You'd never outgrow them and more than likely comparable to the Generic design available on eBay.
But it would look heaps better too!  ;)

Price is yet to add shipping and ceramic coating.

#23 260Coupe

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Posted 17 November 2011 - 03:56 PM

  32 inch long primaries that are 1,3/4 inch in diameter and 2, 1/2 inch diamter secondry collectors,  BIG!!!!


It will be intersting to run these up on the engine dyno and see the performace difference over the standard HM's and the SW's.

Think this will be my first task if the deal comes off and they are landed

#24 Gordo

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Posted 17 November 2011 - 04:48 PM

Hey Simon, can you put me down for a set. Thanks Gordon.

#25 peter mc

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Posted 17 November 2011 - 05:39 PM

i have tested then and i dont like them .... as they dont make good torque in the mid rpm range

#26 luvemfast

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Posted 17 November 2011 - 05:41 PM

i have tested then and i dont like them .... as they dont make good torque in the mid rpm range

Did it run a cone in it to eliminate the dreaded flat spot?
I've heard great things about them.  ???

#27 peter mc

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Posted 17 November 2011 - 05:52 PM

there not worth the truble you have to buy and or make the merge colector and this is what make all the diffrance to the torque cerve  and buy the time you do this they will owe as much as the SW pipes that make more power

and i made 3 diff colectors to try and make them work, there not that hot

#28 stevofoxono

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Posted 18 November 2011 - 12:00 AM

i like shiney things.. rego is due soon+a killer phone bill but I recon i'll take a set as well :D

#29 NZeder

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Posted 18 November 2011 - 07:59 AM

Did it run a cone in it to eliminate the dreaded flat spot?
I've heard great things about them.  ???

Here in NZ most use that style of header - might be as that is mainly what we can get made locally (a guy makes these from a jig he has) however one of the sets that I know was made to the engine builder requirement based on this style/design just longer than the normal items off the jig - then owner had requirements around the collector so the gearbox could be removed without dropping the whole exhaust system.

I did not know of the tuned headers that SW makes until Adam posted a pic - I had only seen styles you see on ebay.com.au from Oz and they just don't cut it on a race engine - so for us here in NZ it has was been non tuned length (Nismo/Fujistubo/Thrust replicas) or tuned length as in these USA based Nissan Motorsport (not the same as Nismo). If building a high HP engine ie $$$ spend then the SW tuned headers would be first on the list. If I was building a mild or good road engine then ebay ones though they don't look as nice would work well (as does the stock cast item - it is just they are sooooooooo heavy and the ebay headers will save weight)

#30 saxon

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Posted 18 November 2011 - 10:38 AM

Overkill for stock? YES  ;D
You'd never outgrow them and more than likely comparable to the Generic design available on eBay.
But it would look heaps better too!  ;)

Price is yet to add shipping and ceramic coating.


Put me down as interested. I am also stock, but gotta start somewhere.

#31 luvemfast

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Posted 18 November 2011 - 08:45 PM

I think the 1 & 5/8th primaries will be the best option.  As Peter Mac pointed out, the 1 & 3/4 ones are for all out racers. Which is maybe not suited to anyone's needs.
Still waiting to hear back from my US contact.
My freight guy is in the States right now & can't be contacted. Will get hold of him next week.
Seems the ceramic coating isn't too bad either at about $200 each.


#32 Brabham

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Posted 19 November 2011 - 05:31 PM

Is it possible for people to order different types ie some with chrome, some ceramic, and diff size primaries? Once you find out the shipping cost, I may be interested in a 1 3/4" Chrome plated set, but do not put me down just yet. Do they come chrome plated from factory and will they clear everything on our RHD zeds? Cheers. :)

#33 luvemfast

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Posted 19 November 2011 - 07:09 PM

Is it possible for people to order different types ie some with chrome, some ceramic, and diff size primaries? Once you find out the shipping cost, I may be interested in a 1 3/4" Chrome plated set, but do not put me down just yet. Do they come chrome plated from factory and will they clear everything on our RHD zeds? Cheers. :)

You'd need a serious donk to justify 1 3/4" wouldn't you?
And if you did, why wouldn't you ceramic coat?

I'm still trying to get blood from a stone, oh. I mean more info from the States  ::)

#34 OZ001

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Posted 19 November 2011 - 07:29 PM

I think the 1 & 5/8th primaries will be the best option.  As Peter Mac pointed out, the 1 & 3/4 ones are for all out racers. Which is maybe not suited to anyone's needs.
Still waiting to hear back from my US contact.
My freight guy is in the States right now & can't be contacted. Will get hold of him next week.
Seems the ceramic coating isn't too bad either at about $200 each.


I might be drunk and stupid right now, but i must have my precious 1 & 3/4 ones

#35 Brabham

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Posted 19 November 2011 - 07:49 PM

I'm with OZ001 on this one, and fortunately they will be for a rather deranged engine ;D

I also love the look of the chrome plating even though they do not shield the heat as well as the ceramic coating.

Gotta love the Nissan motorsport old schoolness of the chromed headers ;D

Also would there be an off-the shelf merge collecter to suit these or did nissan motorsport do one to suit these headers and is it still available? If so, it may be worth ordering the merge collectors to suit them through the same source if they do them. Otherwise may have to get them fabricated?

Does anyone know what exhausts the group Sc guys run in historics? (Dat2Kman to the rescue please!)

Cheers.

#36 luvemfast

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Posted 19 November 2011 - 09:45 PM

Ceramic coat can be chrome!


#37 benny

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Posted 19 November 2011 - 09:53 PM

1 3/4 is huge... it has 36% more cross-sectional area over a 1 1/2. You are going to need an all out big race motor for this.... With 1 3/4 you will lose alot of backpressure and need the worked motor to be able to produce enough to make it usefull. If your motor just has the usual tripples and a cam i would say it would be more trouble then what its worth!! Make sure you do your Homework before ordering!!


Benny

#38 T.A.P

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Posted 19 November 2011 - 10:04 PM

Please put me down for a set.

#39 Brabham

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Posted 19 November 2011 - 10:11 PM

Cheers Benny how much grunt are we talking to get them to work? 250 flywheel HP?

#40 benny

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Posted 19 November 2011 - 10:20 PM

im not sure to be honest, maybe some of the more experienced engine guys can chime in. Yes they look very pretty and im sure work great with race motors but at then end of the day they are race headers. Everybody make there own decision just make sure you do some research i suggest reading the nissan datsun part on exhaust explains it all very clearly.




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