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Location: Hobart, Tasmani
Registered: March 2003
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Weber on a mini, what size?
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Tue, 18 March 2003 01:07
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I've got a '78 clubman mini 1100, and i wanna put a weber on it but dunno what size! 38' 40' 45'? any suggestions?
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Location: Madrid - Spain
Registered: August 2002
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 02:24
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Can't help you with the sizes, but I do remember seeing a track mini with a webber on it. It had a longish manifold which ment that the carby stuck through the firewall where the speedo normally went. You could tune it on the run, who needs a dyno!
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Club Member
Location: sydney
Registered: May 2002
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 04:57
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youre better off using twin SU's as they dont get knocked out of tune as much as the webbers on the mini
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Location: melbourne
Registered: May 2002
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 09:45
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My old man has a 45 on his 1100.......i reckon it`s way too big but he thinks it`s great (induction sound)....
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Location: nsw
Registered: March 2003
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 09:57
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MUST AGREE WITH SUPRAV8 ,BUT THERE ARE A FEW VARIABLES HERE .IS IT STOCK 1100,IF NOT TELL ME MODS AND I CAN PUT YOU IN BALL PARK.WRONG SIZE WILL GAIN NO MORE THAN INDUCTION NOISE(I KNOW THATS NOT A BAD THING BUT WHY NOT GAIN SOME POWER AS WELL?
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Location: Hobart, Tasmani
Registered: March 2003
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 11:27
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its an 1100 with twin carbs on it at the mo, and they keep going outa tune! so i was told that a weber wld b much easier to keep in condition and give more power. somebody thght that a 38 inch might be the best way to go, but i dont know was thinking that a 45 wld b 2 big, so was thinking abt a 40? its not modified much at all at the moment but am getting a sprintex supercharger kit soon. So what do u think wld be the best size for it with and without the charger?
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Location: Mentone
Registered: May 2002
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 11:31
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I have driven a stock 1100 with a weber that was jetted for a hot 1340 and it was the worst mini i have ever driven. By the way my sisters mini was missing pieces of the piston and it still went better.
If you have a nice 1100 and want a weber get it jetted. I have the vizard holy bible and he has some listings for jets.
Here goes.
1100 midified head semi race cam (280+) extractors
choke 33
Main jet 145
Air corr 180
Emul tube f16
pump jet 45
idle 50f2
aux. vent 4.5
Hope it helps
Brad
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Location: nsw
Registered: March 2003
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 11:55
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purple mini ep just beat me to it,go with vizards "tuning the a series" and you wont go wrong.see pg. 106-107 as purple said to give starting point but going from normally aspirated to s/charged donk and retaining same carb may or may not be feasible.but at least with the weber you can change many variables although parts are expensive but easy to get.
also manifold is important so get a hold of one which doesnt have pronounced sharp curve(vizard explains with photo)
lots of luck
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Location: Hobart, Tasmani
Registered: March 2003
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 12:05
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thnx alot guys, u seem 2 really know what ur talking abt so thats gr8, coz i'm pretty new. vizard u say? never heard of it, i'll have a hunt arnd for a copy. thnx
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Location: Hobart, Tasmani
Registered: March 2003
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 12:28
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woah! found the book, got some gr8 stuff in it, but a hundred bucks! damn! for a book? good investment tho
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Location: Hobart, Tasmani
Registered: March 2003
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 21:43
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anybody know where i can find the book cheeper?
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Location: Mentone
Registered: May 2002
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Re: Weber on a mini, what size?
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Tue, 18 March 2003 23:25
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The book is over 500 pages long and has sooooooo much info. How to modify small and large bore heads with scale drawings, info on which rods cranks pistons are best and how to make them better. There are small sections on forced induction and nos.
He has a website now for his new company
www.aptfast.com
he is up to edition 3 with a nice mini engine polished gearbox and very long weber manifold on the front.
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Location: Hobart, Tasmani
Registered: March 2003
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Re: Weber on a mini, what size?
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Wed, 19 March 2003 08:36
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thnx dude, i mean i'm sure it is a gr8 buy i prbly will save a bit and get it, just it shocked me coz i got another mini book for abt 30 bucks! thats all, anyway thnx for ur help guys.
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Location: Hobart, Tasmani
Registered: March 2003
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Re: Weber on a mini, what size?
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Wed, 19 March 2003 08:37
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thnx dude, i mean i'm sure it is a gr8 buy i prbly will save a bit and get it, just it shocked me coz i got another mini book for abt 30 bucks! thats all, anyway thnx for ur help guys. btw do u really have a purple mini? got a picture? i'll take one of mine for you if u like, swap 'em over. u gotta tell me what u've done to it to, coz i wont be able to figure it out myself
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