JohnFol
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| posted on 2/9/02 at 07:57 AM |
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Converting x-flw to Unleaded
Has anyone done this? Costs?
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JohnFol
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| posted on 3/9/02 at 12:09 PM |
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So no-one has an unleaded x-flow?
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UncleFista
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| posted on 3/9/02 at 04:38 PM |
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Seeing as no-one answered I can be as vague as I like 
Last one I heard was all 8 valves recutting with hardened inserts for £40, this was a "mates rates" job and a couple of years ago too. Gawd knows
what it'd cost "with a receipt"...
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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JohnFol
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| posted on 3/9/02 at 05:49 PM |
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That's the best answer so far. .. .
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locodude
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| posted on 3/9/02 at 05:52 PM |
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I ran an 'unleaded' head for a while but it was an early one with small chambers in it so I changed it for a 'leaded' one with a flat 'chamber'
and now use castrol valve master. The head came with the engine (£150) so I don't know the cost, but I think it's around £20-30 per cyl.
Chris PTM 
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Dick Axtell
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 posted on 4/9/02 at 02:21 PM |
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UnitWise in Redditch quoted me 80 pounds for X-flow head conversion. I haven't stripped mine yet, so don't know whether or not it needs rebore etc
(its been reconned anyway).
Dick
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bluesboy
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| posted on 6/9/02 at 03:06 PM |
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i HAVE HAD MY 1600 DONE. BUT I HAVE NOT RUN IT YET. HAD INSERTS PUT INTO THE EXHAUST AND THE HEAD WAS SKIMMED, £100.
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JohnFol
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| posted on 6/9/02 at 03:14 PM |
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Sounds about right. I have a quote of £60 for exhaust or £120 for inlet as well. £34 for head skim and check for seal around valves.
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locost7-online.com
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| posted on 6/9/02 at 04:34 PM |
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ok here goes.. i work for C C Engine services in readingm, a member of the Federation of engine remanufactures, here are some prices.
Unleaded covversion £60
seats ( Exhaust only need to be done) £5each
surface grind £32
overhaul £120
we fit bronze guide liners in our o/hauled cylinder heads
if anyone is interested please mail me at rallyxtreme@btopenworld.com
LRP is being phased out next year.
www.locost7-online.com
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JohnFol
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| posted on 9/9/02 at 07:50 AM |
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Don't bronze inserts stop the car being legal for the 750MC formula?
"Replacement valve guides may be fitted but only cast iron guides may be used"
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D Beddows
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| posted on 9/9/02 at 08:59 PM |
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Yes
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