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Neil
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PostPosted: Sat Apr 23, 2005 7:09 pm 
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Joined: Wed Oct 27, 2004 10:46 pm
Posts: 736
Location: S.E Melbourne
Baz said:
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The 44mm SU is the right size for a 2 litre.
plenty of respect Baz.... but if a 2.4 litre engine cam from the factory with a pair of 44mm carb's wouldn't that imply that a pair of 38's would be ok for 2 litres? (guess what size my SU's are....)

Cheers, Neil
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jdmdatsun510
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PostPosted: Sat Apr 23, 2005 11:19 pm 
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Joined: Mon Jul 26, 2004 2:06 pm
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Location: Adelaide...On the Road again !
sean wrote:
Umm, isnt the fact that the parts DO wear out in them what makes them unreliable :?: ... not just the tuning side.

Heres trouble :P
Don't Webers need rebuilding due to wear also ?
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Baz
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PostPosted: Sun Apr 24, 2005 3:33 pm 
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Joined: Tue Mar 04, 2003 10:09 am
Posts: 2596
Location: Lonsdale, South Australia
plenty of respect Baz.... but if a 2.4 litre engine cam from the factory with a pair of 44mm carb's wouldn't that imply that a pair of 38's would be ok for 2 litres? (guess what size my SU's are....)

They are ok but not the right size for good power.
we ran 38mm SUs on 1275 cooper S
MGB s 1800cc factory 44mm SUs
Datsun 2000 sports 44mm Jap SUs or solex phh depending on model.
New SUs are good for 15 years and then you need to replace needles & jets. The prob with the 180bsss units are that the jets & needles are expensive.
Jets for SUs are plentiful & inexpensive.
Have fitted 44mm SUs to plenty L series & have fitted them to L18s with good results.
Well set up good condition SUs are no harder to tune than webers & will stay in tune just as well. As with webers a lot is in the throttle linkage set up.

_________________
A little knowledge is a dangerous thing.
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"R.I.P. Baz. 29 April 2022. Thank you for all your contributions to the Datsun community over the years. You will be missed." - OZDAT
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