Sounds nice!
but yeah, a waste of $$$ and fuel. Spend the money on a decent extractors/exhaust
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| SU or Weber or what? https://www.ausmini.com/forums/viewtopic.php?f=2&t=19549 |
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| Author: | mattywood [ Wed May 24, 2006 9:44 pm ] |
| Post subject: | SU or Weber or what? |
Hi, can anyone tell me what's the better carbie option to maximise mini engine performance? Is it using a weber or an su? What are the benefits, differences or downside of either option? What size su or weber is best? |
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| Author: | poeee [ Wed May 24, 2006 10:53 pm ] |
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It mainly comes down to the size and modifications to the engine. What are your engine's specs? |
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| Author: | mattywood [ Wed May 24, 2006 11:13 pm ] |
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I don't have a mini at the moment and am looking for knowledge. Hopefuly it will be a 1275 |
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| Author: | poeee [ Thu May 25, 2006 3:36 pm ] |
| Post subject: | |
998/1100 stock to medium mods - 1.5" SU 998/1100 high mods (hot cam, hot head, extractors) - 1.5" SU, 1.75" SU or twin 1.25" SU Standard 1275 - 1.5" SU, 1.75" SU or twin 1.25" SU's 1275 medium mods - 1.75" SU, twin 1.25" SU's Hot 1275 - 1.75" SU, twin 1.25" SU's, twin 1.5" SU's, 45 Weber That's a VERY ROUGH guide! |
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| Author: | monkey [ Thu May 25, 2006 5:04 pm ] |
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so would having a webber on a presummed stock 1100 have any benefits or is it just a waste? Cheers James |
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| Author: | awdmoke [ Thu May 25, 2006 5:31 pm ] |
| Post subject: | |
Sounds nice! but yeah, a waste of $$$ and fuel. Spend the money on a decent extractors/exhaust
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| Author: | Anto [ Thu May 25, 2006 5:47 pm ] |
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monkey wrote: so would having a webber on a presummed stock 1100 have any benefits or is it just a waste?
Cheers James I had a 40DHLA dell'orto on my stock 1098, it went great and sounded nice. Had I put in a slightly warmer cam, duplex timing chain and maybe a little bit of head work it would have gone very well. Does use a bit more petrol, but on a Dell'orto you can manually adjust the accelerator pump which probably helps. The trick is to have it jetted properly (ie on a dyno), or else likely as not you'll just wash your rings with petrol. |
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| Author: | mattywood [ Thu May 25, 2006 5:51 pm ] |
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poeee wrote: 998/1100 stock to medium mods - 1.5" SU
998/1100 high mods (hot cam, hot head, extractors) - 1.5" SU, 1.75" SU or twin 1.25" SU Standard 1275 - 1.5" SU, 1.75" SU or twin 1.25" SU's 1275 medium mods - 1.75" SU, twin 1.25" SU's Hot 1275 - 1.75" SU, twin 1.25" SU's, twin 1.5" SU's, 45 Weber That's a VERY ROUGH guide! Thanks. Thats great. It a hot 1275 does the usage of a weber over a 1.75" make a big difference if any? |
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| Author: | Anto [ Thu May 25, 2006 5:55 pm ] |
| Post subject: | |
Yeah, but only if it's in a high state of tune. Mate of mine has a hot 1275 (100hp odd I think) and he upgraded from a 1.75" SU to a 45DCOE on a 6" manifold, it made a fair difference. But he's like me, he likes the noise of a weber 
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