A 350 Holley is definitely too big for a Mini engine.
Having tried a 180 Holley and a 32/36 DGV weber on my old Gemini, the Weber was by far superior.
I sold the Weber before I realised it would have worked on a hot 1275...
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| Holley Carbies https://ausmini.com/forums/viewtopic.php?f=5&t=5181 |
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| Author: | minstar [ Tue Mar 01, 2005 1:27 pm ] |
| Post subject: | Holley Carbies |
I was looking around the web and noticed that you can get 350CFM twin barrel Holleys. Has anything ever been attempted with Holley Carbies as a replacement to the dellorto/SU etc. Probably not just wondered... Matt |
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| Author: | 71_mini_k [ Tue Mar 01, 2005 3:47 pm ] |
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Hi Ministar, beside the fact that you would probably have to fabricate your own manifold I think a 350 would be too big for a mini. I had one on my 202 HQ Kingswood and it was the perfect carb. The standard calculation for CFM carbies is Engine size (CID) x maximum RPM / 3456 = CFM CFM @ 100% volumetric efficiency Where CID = CC / 16.39 Therefore for a 1275 78 X 6500 / 3456 = 147 |
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| Author: | kazjim [ Tue Mar 01, 2005 3:59 pm ] |
| Post subject: | |
so if you HAD to fit a Holley, the twin-Choke 180CFM unit would be near perfect...... Oh, they are the same bolt-pattern and layout as a DGAV Weber, so there are lots of manifolds out there already.... they just arent very good..... J |
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| Author: | bnicho [ Tue Mar 01, 2005 7:17 pm ] |
| Post subject: | |
A 350 Holley is definitely too big for a Mini engine. Having tried a 180 Holley and a 32/36 DGV weber on my old Gemini, the Weber was by far superior. I sold the Weber before I realised it would have worked on a hot 1275...
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| Author: | minstar [ Wed Mar 02, 2005 8:17 am ] |
| Post subject: | Yeah I thought so |
Yeah my brother had one on his 192 in the EH (nice car). Just always wondered about that... Cheers |
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| Author: | poeee [ Wed Mar 02, 2005 8:43 am ] |
| Post subject: | |
I see mixed feelings about the downdraft weber. I knew a guy who had a hot lightened flipfront road beast, and he swore by those downdraft webers. |
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| Author: | feralsprint [ Wed Mar 02, 2005 9:23 am ] |
| Post subject: | Hollies and why |
Why would you want to replace an SU or weber with one of the worst designed hardest to tune carbies ever made 
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| Author: | minstar [ Wed Mar 02, 2005 9:47 am ] |
| Post subject: | Worst Designed |
From what people are saying Holley aren't too bad just not suitable for small engine capacities. The Holley on my brother car ran like a dream with little or no adjustment necessary. I think that makes it a pretty well designed carb. And I would hardly describe the SU as a cutting edge design. Mainly wondered what other carbs might have applications on the 1275. Cheers |
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| Author: | simon k [ Wed Mar 02, 2005 10:01 am ] |
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poeee wrote: I see mixed feelings about the downdraft weber. I knew a guy who had a hot lightened flipfront road beast, and he swore by those downdraft webers.
I just bought a set of twin downdrafts to go on my honda motor 
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| Author: | CLUBMAN [ Wed Mar 02, 2005 10:20 am ] |
| Post subject: | |
when people talk about goose neck manifolds they say that the fuel/air bix has to turn to many corners,look at the down draft weber,its gotta turn bugger corners more often 
its gotts go down,turn a 90* then another 90* has GR got a downdraft manifold? |
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| Author: | drmini in aust [ Wed Mar 02, 2005 6:44 pm ] |
| Post subject: | |
Not that I've seen, and I hang out there a fair bit. 
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