X/flow 711M worked on head ?

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Jasonmpk
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X/flow 711M worked on head ?

Postby Jasonmpk » Sun Dec 06, 2020 3:33 pm

Hi all, I am having to refurbish my whole engine, and need to sort a refurbished head too. Anyone got one laying around with bigger valves and better flows? Mine is a flat bottom type using bowls in the piston for clearance.
Just for my knowledge, is an unleaded conversion needed in a 7 or should i keep the money and spend it on other parts for the engine?

Jason

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nelmo
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Re: X/flow 711M worked on head ?

Postby nelmo » Mon Dec 07, 2020 9:14 am

Surely you have to convert for unleaded? Can you still buy leaded fuel?

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Jasonmpk
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Re: X/flow 711M worked on head ?

Postby Jasonmpk » Mon Dec 07, 2020 3:54 pm

It's just the cost of an upgraded valve seat for each valve, or just shots of lead replacement each time i fill up i guess. Am waiting now for a reply from a company selling a tuned head, but probably without hardened seats.

Jason

scotty
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Re: X/flow 711M worked on head ?

Postby scotty » Tue Dec 15, 2020 11:13 am

I have one...it comes with a free car and 2 engines!! A standard engine and its attached to a fully rebuilt 1690 xflow just run in at 500miles.very big valves twin 40s etc
Luego with a mighty 104bhp!!!

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Jasonmpk
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Re: X/flow 711M worked on head ?

Postby Jasonmpk » Tue Dec 15, 2020 5:54 pm

Hi ya Scotty,

I think I have now sorted the head, by buying a ported one, but it hasn't been delivered yet today when it was meant to be.

I'll keep your offer in mind if that's ok.

Jason

scotty
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Re: X/flow 711M worked on head ?

Postby scotty » Wed Dec 16, 2020 9:13 am

No problem fingers crossed for ya
Luego with a mighty 104bhp!!!

kitcaraddicted
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Re: X/flow 711M worked on head ?

Postby kitcaraddicted » Wed Jun 02, 2021 3:44 pm

scotty wrote:I have one...it comes with a free car and 2 engines!! A standard engine and its attached to a fully rebuilt 1690 xflow just run in at 500miles.very big valves twin 40s etc


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