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Old 03-02-2016, 10:44 PM   #41 (permalink)
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Originally Posted by some_other_dave View Post
Sorry, you just hit one of my pet peeves: VTEC is Honda's "pick a cam on the fly" technology. V-Tech is a crappy phone.
And mine has an i-VTEC, not an iVtec, which I think is some kind of Apple product.

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Transmission type Efficiency
Manual neutral engine off.100% @MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
Automatic .........................86%

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Old 03-03-2016, 05:35 AM   #42 (permalink)
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Re: 'Just a warning from the previous comment'

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Originally Posted by duncan View Post
Just a warning from the previous comment

You can't just put another SU carb on it - not if you don't want to burn a piston or waste a lot of gas

You need to set the carb up to your engine on a rolling road
SU carbs use a superb metering system using a tapered needle in a jet - there are about a thousand different shaped needles,

On my 1430 mini I changed the intake manifold - just the intake manifold - that made enough difference to melt a hole in a piston

Any carb fitted to a non standard engine will need to be properly set up on a rolling road
All I did was take it out for a run, keeping an good eye on the thermometer and listening to the engine. I then shut the engine down after a good hill pull and coasted to a stop. Pulled the 4 plugs and they were a nice choc brown, not very light cream colored (which can indicate running too lean). This is about all I could do back then as I had a poor mans budget and no access to any of those fancy Snapon diagnostic stations back then. Seat of the pants kind of stuff out in the Arizona desert. Besides, the manifold and carb that I used from the Morris Minor was off an engine that was a exact match cc-wise. I know you can adjust the SU right down to the gnats ass but I didn't push the Sprite that hard when running for economy.You see, I was just about penniless in a small hick desert town at least 85 miles east of Las Vegas, the nearest area of commerce. That's why I stuck the single manifold and carb on my Sprite in the first place. When back home I swapped back to the twin SU carbs. It didn't take that long to change em out and I did it at least 4 times. As a teenager back then I had more than a few older relatives praying for my safety every day so how could I go wrong?? Good times!
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Old 03-03-2016, 07:18 AM   #43 (permalink)
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I own a Mini too but not driving at the moment.

I have quite some projects about it aero wise.

It has a 998 engine and should get a 2.95 diff at some point but only when I am happy with the aero improvements.

Have you fitted a vacuum gauge ?
Information is kind of the very first step to go for.

Planned mods for me are : part deseaming, underbody panelling, mechanical fan removal, and front license plate area streamlining.
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Old 03-03-2016, 07:29 AM   #44 (permalink)
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la_voiture_de_courses - '03 Renault Megane Estate
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Actually there is a 2.76 diff in the latest MPI versions.


The SU has a huge barrel but since it is a CV carb, there is a piston closing part of it for metering the fuel so it must not be "that" bad.
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Old 05-16-2016, 04:29 PM   #45 (permalink)
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Hi,

I drove to IMM and back this weekend, got a 37.7 average and did a personal best of 47.7 so I am well impressed with the potential of my Brit Iron
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Old 05-19-2016, 03:16 AM   #46 (permalink)
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Would a 0.8l diesel cdi out of a smart fortwo work? That would be tenfold milage rather than this. Are your units in us gallons or imperial?
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Old 05-19-2016, 03:35 AM   #47 (permalink)
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la_voiture_de_courses - '03 Renault Megane Estate
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90 day: 45.5 mpg (US)

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US gallons.

And no, no engine swap for us french, it is very difficult to have homologation.

And I think it is a fair FE to be honest, given the age and technology of the vehicle.
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Old 05-19-2016, 03:49 AM   #48 (permalink)
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Yeah, I just like the body style so much

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