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81GTV6
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Post by 81GTV6 »

Jarle those look AMAZING!!!!! :shock: :shock: :shock:


They look alot bigger than the CSC or IAP headers! Are you planning on making a few for profit or is this a Jarle Special Edition?
Jacob Ricciotti

'81 GTV6 3.0
'81 GTV6 Track car
'91 164S daily driver
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Andrew.b
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Post by Andrew.b »

Very nice!
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Post by Jarle »

81GTV6:
I think these will be my own spesial edition, as the making of these just takes too much time. I am not sure how many hours I have spent making these,but its a LOT.
As you know there is very little room on both sides in the engine bay, and the fitting requires modification on both engine block and chassis. Thats probably why CSC and the others only make ID35mm.

Jarle
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Post by ingegnere »

I was a bit "envy" of your headers, so I had mine made by an exhaust shop. 8)
Since my engine is stock, I' ve chosen the ID35mm pipes, and it was made CSC style. Rest of the system is CISAM OEM middle, and ANSA rear muffler.

How do you like it?
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'The GTV': '83 GTV6; (summer)
' Mr Brown': '82 Alfetta 2000L; (family car)
'The Little Red': '79 Alfasud 1.3 Super; (under restoration)
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Post by GTV6GPTT »

sound clip?
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Post by tectoteam »

into a oem specifications gtv6 with csc headers.


i get 103kw(124.5 at flywheel) at wheels with the 230000km engine without any rebuild...2 stroke engine it was him..smokin.....
a long time ago...
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Post by Jose_76 »

Jarle, What did you exactly needed to do with the chassis and engine block to fit those big bore headers? Do you already have an estimation of the power gain?

Can anybody tell me what's a fair price for a home made CSC style headers set? I'm about to ask the local guy here.
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Post by Romeo »

JimGreek wrote:...The primary length is a function of rpm and exhaust valve opening (*BBDC). Theoretically, you can design your own system, but building it is a job for the very few who can.
Looking at what you are able to advise us for a Nord-engine, what primary and secundairy length and ID do you recommend for a stock (blueprinted) 166 3.0 24v engine?
It should be a daily driver and I usualy do not run high revs, so I like low-down torque over top-end power.
Tuning the exhaust for +/- 4200 rpm seems good to me (looking at the black line for the torque below:)
Image

Can you advise me on this?

And I like the idea of this secundairy pipes a lot!:
Image

Cordiali saluti,

Mario
Alfa Romeo is part of my family, or am I a member of the Alfa Romeo family???
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Post by Romeo »

Image

Equal lenght of the secundairy pipes on a V6, does that make much sense? Do the cylinders fire in an order that the one can benefit from the flow from the other, or is that negletable for the shown secundairy pipelenghts? (With shorter, primairy, pipes on a four it makes sense, but on a V6 perhaps the beneficial cylinders are on to different banks)

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Alfa Romeo is part of my family, or am I a member of the Alfa Romeo family???
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Post by 81GTV6 »

Is that a 164 exhaust?
Jacob Ricciotti

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'81 GTV6 Track car
'91 164S daily driver
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Zamani
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Post by Zamani »

Those are for FWD Alfas. They are japanese products.

You can get them for all FWD V6 cars from:

www.unicorse.co.jp
www.overracing.co.jp
www.garbino.net

These shops have 1st quality products (from what are shown). Makes supersprint looks like kiddie toys.

BTW, for RWD Alfa V6s, we already have equal length downpipes.
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