greed1
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| posted on 26/8/09 at 12:26 PM |
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x flow convert to unleaded yes or no ????
hi again
do i need to convert my x flow 1600 to unleaded or will it run fine
or can you buy additives
how much will it cost me in the long run
thanks
Drive it stright sideways
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coozer
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| posted on 26/8/09 at 12:30 PM |
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Only doing a few miles? Then no problem, and yes you can buy additives.
Swap it for a zetec, cheaper than an unleaded head conversion and a performance boost as well.
1972 V8 Jago
1980 Z750
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UncleFista
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| posted on 26/8/09 at 12:32 PM |
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Tesco petrol stations sell bottles of Redex lead additive for 91p per bottle, that's enough to do 250 litres of fuel (or 50-ish gallons).
Dunno how much it'd be to remove the head and have new valve seals fitted, but I reckon you'd need to do a shed-load of miles before it
becomes cheaper than adding stuff to your tank 
Tony Bond / UncleFista
Love is like a snowmobile, speeding across the frozen tundra.
Which suddenly flips, pinning you underneath.
At night the ice-weasels come...
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a4gom
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| posted on 26/8/09 at 12:34 PM |
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As with everything it all depends?
How many miles will you be doing in it?
If you run without eventually you will burn away the valve seats, I put 3000 miles on an engine with no signs of wear! The conversion is also
the fix.
It will run fine on unleaded, might need timing altering slightly, you can use an addative, some also raise the octane. Addatives aren't cheap
though.
IMO low mileage leave it and maybe use an addative if you're worried, high miles run it till it starts showing wear then get it converted.
Doh all typing at the same time!
[Edited on 26/8/09 by a4gom]
Andy
Perfect planning prevents pi$$ poor performance!
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02GF74
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| posted on 26/8/09 at 12:59 PM |
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I converted. Didn't like the hassle of those little lead master bottles plus it is nasty poisonous stuff.
is it worth it financially, most probably not.
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BenB
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| posted on 26/8/09 at 03:21 PM |
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Also depends how many miles the engine has done already. If it's done a few the valve seats will be well soaked with lead and it will take quite
a long time for that to run out before you'll even start getting valve seat recession.
I'd run it without until it has an issue (which will be a v long time unless you're doing mega miles) then get the valves done and maybe
have a little fettling done to the head at the same time for good measure (and a little bit more power)....
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clairetoo
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| posted on 26/8/09 at 04:01 PM |
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If you are doing 10000 mile a year , then it may be worth it - I never bothered , as it takes something like 30000 miles to cause significant wear
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Much easier to run it till it's a bit worn , then just fit bigger valves  (to go with the wild cam you are gonna want by then )
Its cuz I is blond , innit
Claire xx
Will weld for food......
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David Jenkins
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| posted on 26/8/09 at 04:14 PM |
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I had mine done - but mainly because the head was having new valve guides fitted anyway, so it seemed like a good idea.
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greed1
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| posted on 26/8/09 at 04:38 PM |
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thanks for the help again guys and gals
i have taken the head off to clean and lap the valves in
so that would get rid of all the lead that was left
to be safe i will use an additive in the fuel but it wont be mega miles so it will be cheap enough.
another quick question while i am here 
how do you remove the carbon from the valves and pistons
also do i need to remove the pistons to be able to do that
thanks again
[Edited on 26/8/09 by greed1]
Drive it stright sideways
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