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Turbo or Webber
Turbo 54%  54%  [ 20 ]
Webber 46%  46%  [ 17 ]
Total votes : 37
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 Post subject: 1275 induction opinions
PostPosted: Tue Oct 13, 2009 8:26 pm 
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848cc
848cc

Joined: Fri Jun 20, 2008 1:31 pm
Posts: 161
Location: NSW South Coast east of Nowra (NOT East Nowra)
I've got a Metro turbo engine complete and running, should i keep the turbo set up or switch to the 45mm side draught webber i've got? It's for my clubman that won't be a daily driver.


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 Post subject:
PostPosted: Tue Oct 13, 2009 8:44 pm 
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848cc
848cc

Joined: Fri Apr 10, 2009 7:16 pm
Posts: 220
Location: on the yellow brick toad Brissie
after reading hp figures for turbo's im in!


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 Post subject:
PostPosted: Tue Oct 13, 2009 9:43 pm 
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Bimmer Twinky
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Joined: Mon Sep 06, 2004 4:36 pm
Posts: 8606
Location: Brisbane
ar,,, er... um,,, is this a trick question???

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

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PostPosted: Tue Oct 13, 2009 9:48 pm 
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religious status
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Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39754
Location: near Baulkham Hills, NSW
NA Weber (or Dellorto) fed motors just keep going. 8)

Many modified turbo motors here on ausmini don't- I could name one that has now busted 3 gearboxes, and another that has trashed the clutch assembly big time and now damaged the motors insides. But, I won't.

How much power do you want/need...

If you keep it stock (93HP at crank) it'll last pretty well, trouble is turbo guys want more boost, then more boost, then more ..... then BANG!! :lol:

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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. :mrgreen:


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 Post subject:
PostPosted: Wed Oct 14, 2009 8:17 am 
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848cc
848cc
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Joined: Fri May 25, 2007 10:58 am
Posts: 422
Location: Melbourne
if you take the turbo off, you'll just put it back on again two days later.

if you're worried about reliability issues, you've already got the turbo set up, is there a problem with it? just dont increase the boost is all.

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 Post subject:
PostPosted: Wed Oct 14, 2009 7:04 pm 
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1275cc
1275cc
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Joined: Thu May 24, 2007 7:19 pm
Posts: 5370
Location: Yandina,Sunshine Coast,QLD
Keep the turbo and don't muck around with the motor after that, simple. It's a factory job so it should be very reliable.

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 Post subject:
PostPosted: Thu Oct 15, 2009 1:30 pm 
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1360cc
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Joined: Tue Jun 01, 2004 3:41 pm
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Location: Special Tuning Sydney
A full webber based build will produce a scary fast mini that is absolutely reliable, i can attest to that. Turbos do produce more power but they are "deadly fast" and I don't mean the metaphor version of deadly. I just think there's a limit to how much power you want on a tiny front wheel drive car...

Then there's the issue of money...

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 Post subject:
PostPosted: Sat Oct 17, 2009 8:04 am 
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religious status
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
The 93HP at crank they got from the Metro turbo motor is pretty tame, really.
These days, your average 1275 engine rebuild exceeds that easily.
Gerg's 1360 made 102HP at crank (engine dyno) with just a single 1.75" SU, an RE13 cam, my 1.3 rockers and a stock 1100S head.

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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. :mrgreen:


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 Post subject:
PostPosted: Fri Oct 23, 2009 7:02 pm 
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998cc
998cc
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Joined: Fri Jun 19, 2009 10:19 am
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Location: sydney
Webber all the way, I love turbos but personally believe they belong in rear rwd cars (but im sure one day I will be convinced otherwise)

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 Post subject:
PostPosted: Sat Oct 24, 2009 9:39 am 
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1360cc
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Joined: Thu Feb 03, 2005 1:41 pm
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Location: Rockingham - Collie WA
Remember that the engine only has a 9.4:1 compression ratio.
Stick with the turbo, you'll be disappointed with the results with the weber

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 Post subject:
PostPosted: Sat Oct 24, 2009 10:12 am 
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1275cc
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Joined: Thu Jun 08, 2006 9:34 pm
Posts: 2372
Location: Adelaide
Both,

convert it to suck through and put the webber on

WIN WIN

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 Post subject:
PostPosted: Mon Oct 26, 2009 10:44 am 
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998cc
998cc

Joined: Tue Sep 06, 2005 1:26 pm
Posts: 817
Location: Adelaide
5 Weber anyday if you're using it regularly and want reliability. I ran one on my 1310 S for years as a daily driver without any major issues at all - and the sound put a lot of V8s to shame...

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1965 Mini Van (1360)
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