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Webcon Alloy 7 Port Head


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#1 bluemini1979

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Posted 02 July 2018 - 08:05 PM

I have decided to sell my 7 port head. It is a webcon version that is the same as the pierce moulds.
I haven’t run the head on the road but it has been on the engine and run for a short time (1/2 hour max). It is as supplied by webcon. I had it on twin 40 Weber’s which bolt directly to the head using misab plates. It fits under a standard non flip front round nose with short trumpets on the Weber’s. I am only selling as I have decided to go down the forced induction route which I already have the head for otherwise I would have had this one re machined.
I’m located in Halstead Essex but still have the original packaging so I am happy to post at buyers expense. £1000 no offers.
Any questions just ask. Link to the head from webcon http://www.webcon.co...opexd.asp?id=35

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#2 screech

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Posted 02 July 2018 - 08:26 PM

Got any photos of the ports?

#3 bluemini1979

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Posted 02 July 2018 - 08:32 PM

Got any photos of the ports?


Inlet, exhaust ports or both? I can stop by my workshop tomorrow and get some for you.

#4 Gr4h4m

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Posted 02 July 2018 - 08:33 PM

What cc are the chambers

what size valves does it have

#5 bluemini1979

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Posted 02 July 2018 - 08:43 PM

Inlet valves 33mm exhaust valves 29mm. Chambers are 23cc

#6 screech

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Posted 02 July 2018 - 08:45 PM

Got any photos of the ports?

Inlet, exhaust ports or both? I can stop by my workshop tomorrow and get some for you.

Both please.

You sure inlet valves are only 33mm?

#7 screech

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Posted 02 July 2018 - 08:49 PM

Got any photos of the ports?

Inlet, exhaust ports or both? I can stop by my workshop tomorrow and get some for you.


#8 bluemini1979

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Posted 02 July 2018 - 08:49 PM

Got any photos of the ports?

Inlet, exhaust ports or both? I can stop by my workshop tomorrow and get some for you.

Both please.

You sure inlet valves are only 33mm?

Yeah I’m sure they are I can re measure them tomorrow for you.

#9 mini13

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Posted 03 July 2018 - 11:32 AM

33mm is the standard size finlet valve for these, although a lot of users put larger in there.

 

OP could always turbo the 7 port..... :D



#10 paulk 7364

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Posted 03 July 2018 - 02:16 PM

Hi, what I need to do to use this on my 1275 engine
Hiff 44 carb sw5 cam . What sort of bhp could I achieve
With the wright parts ?
Thanks from a not a well informed mini enthusiast

#11 bluemini1979

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Posted 03 July 2018 - 04:06 PM

Hi, what I need to do to use this on my 1275 engine
Hiff 44 carb sw5 cam . What sort of bhp could I achieve
With the wright parts ?
Thanks from a not a well informed mini enthusiast


To use on Your engine you would need to source suitable Weber carbs or throttle bodies if you wanted fuel injection, sw5 should work well as that is what I had in mine. Power wise you would make more than what your 5 port is making as long as it is set up well.

#12 bluemini1979

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Posted 03 July 2018 - 06:54 PM

Got any photos of the ports?


Photos of the ports

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#13 screech

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Posted 03 July 2018 - 10:24 PM

Thank you.

#14 Boom!

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Posted 12 July 2018 - 08:54 AM

Do you still have this?




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