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| posted on 29/5/10 at 07:26 PM |
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Am I obsessed?
I'm currently refurbing the Honda G150 motor from my rotovator (Honda F400) and as part of this am replacing the piston rings. Whilst waiting
for the new gaskets to arrive from the dealers I thought I'd 'de-coke and clean up' the ports and valves, using my Aldi-copy of a
Dremel on it's remote stand with flexi-drive head. It has now morphed into me home-brew gas flowing the ports (can't say porting the head
'cos it's a side-valve) and planning to reprofile the valves for better gas flow.
Do I need help? Am I obsessed with improving the gas flow of every internal combution engine I take to bits? 
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RichardK
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| posted on 29/5/10 at 07:28 PM |
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I'd clean em up and smooth em down but wouldn't do any more than that.
Cheers
Rich
Gallery updated 11/01/2011
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clairetoo
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| posted on 29/5/10 at 07:35 PM |
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No - your not alone 
I once had the head off an old Talbot Express diesel camper - I couldnt resist porting/polishing the head , matching the manifolds and re-shaping the
valves - it went like stink afterwards , so much so that I turned the stop on the pump in to slow it down , and got far better fuel consumption than
`stock'
Its cuz I is blond , innit
Claire xx
Will weld for food......
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Browser
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| posted on 29/5/10 at 07:35 PM |
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I would leave it at that............only I've already done the exhaust port, and it'll hurt the inlet ports' feelings if I
don't include it too.........
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BenB
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| posted on 29/5/10 at 08:39 PM |
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Nice idea! Wonder if there's a tuning manual for my Mantis tiller. It's the 2 stroke version so I expect not 
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Canada EH!
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| posted on 29/5/10 at 08:43 PM |
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Use to run a gokart with a 5hp Honda side valve, we flowed the area between the valve and the piston then shaved the head a little. Made a difference.
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macspeedy
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| posted on 29/5/10 at 09:39 PM |
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Stick a supercharger on it whilst your at it
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Chippy
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| posted on 29/5/10 at 10:23 PM |
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EFI and Megasquirt, you know you want to, Ray
To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy
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Ninehigh
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| posted on 30/5/10 at 09:49 AM |
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You're going to have me taking my moped to bits soon, it already does 50!
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