Ive seen here a few times charts showing differences between needles.Can someone please point me in the right direction.

I like this one for physically comparing needles I know of, yes there are others.

http://www.mintylamb.co.uk/suneedle/

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

I made my own - http://www.morrismini.com/suneedlesv2.aspx

pick your size on the green bit - 90 (1.25 & 1.5 inch) or 100 (1.75+)

search for needles with the red bit, starting by putting in a known needle, select stations to filter and put in how much richer or leaner, then click search

put ones you like in your short list (blue bit) by entering their number or clicking "short list" next to them in the search results

click "show chart" above the listing to see them visually compared

click "create direct link" to make the address bar load up the needles you have selected so that you can show other people/link to here or whatever

edit: mintylamb is fine if you have needles you want to compare, but it doesn't give you any way to search out needles that are richer or leaner than what you already have

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Thanks for the replies
Well done simon on the site i will see what it comes up with.

Hi simon what ddi you use for this??

It looks like one I wrote years ago using MS Access - but yours is much prettier.

Cheers, Ian

just asp.net over an access database - I chucked it together probably 6 or 7 years ago - no error checking, doesn't work properly, but did the job I wanted it for and it's some use to other people

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did I tell you that I won a trophy?