adam73bgt
Club Retro Rides Member
Posts: 4,939
Club RR Member Number: 58
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After having driven injected cars and now owning a car with su hs4 carbs, id say i miss the day to day easiness of injection.. But then i do love messing about with carbs, and the fact i can tune mine with a couple of spanners is something i do like, even though they're not set up particularly well, they still work and OMG those DU6's I didnt even realise those existed! they're amazing and I want some I wonder if you cold 'make' a pair from a couple of HIF's?.....
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Mmmmmm nice carbon rocker cover! Want!
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Koos
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stevea
Part of things
Posts: 281
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The aftermarket EFI stuff is nice when it works, but I have driven a certain Black Triumph Spit6 fitted with EFI, it had a nasty habit of intermittently loosing all power to the electronics while you were driving along or it would refuse to let you go above 1500rpm without cutting out when cold. It's put me off that manufacturer of EFI at least.
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i vote
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bortaf
Posted a lot
Posts: 4,549
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EFi all the way, yes carbs can be simple but simple carbs are not great on economy, take a late J carb, great on economy but very very copmplicated, air pipes and valves all over the place ! Yes EFi has it's drawbacks, not simple to fix at the side of the road for one but TBH EFi systems rarely get to point you are stranded totaly, LOS mode mainly but not usually a total standstill, my fav EFi is early to mid 90's, simple enough to soldier on and more importantly simple enough to diagnose problems without the need to plug em in all the time.
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R.I.P photobucket
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Another advantage of EFI has just popped into my head: temperature compensation. With carbs the mixture varies with the ambient temperature (and thus air density). This means it'll run rich on a hot day and lean on a cold day. As someone that pays a lot of attention to how my cars run, it's quite obvious - and a bit annoying, as the mixture needs tweaking for summer and winter.
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I don't understand all these carbs are simple comments, how many parts are there to a carb?! never understood them, black magic I tell ya! throttle bodies /thread
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tubbs
Part of things
Posts: 59
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Electronic Fuel injection all the way ! It's just better. People say 'yes but you can't work on your own car without a computer' but the point is you rarely have to. Look how many cars on the road and how little they fail. Prolly like 0.00001 %. When I was a kid every ones dad was out on a Sunday fixing their cars to get them through another week so they could get to work. Nowadays we don't even know our neighbours. And they certainly don't knock me up early doors on a Sunday to borrow a spanner !
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PhoenixCapri
West Midlands
Posts: 2,685
Club RR Member Number: 91
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If you're going to use the car a fair bit and want reasonable fuel economy/responsiveness/improved mid range torque and possibly even improved reliability - go for injection. EFI also compensates for all the current conditions temp/altitude/fuel quality (with a knock sensor) etc etc. If you want something that sounds a bit more real, and feels much more alive, go for carbs. Their imperfections make them so much more characterful, that's why I stuck to carbs on my Zetec, though mappable ignition is a good idea *edit for spelling!
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`state
Yorkshire and The Humber
Posts: 1,215
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Injection every time for me please and thankyou. Only car ive ever owned with a carb was an opel manta that spent more time off the road than on due to carb issues. Apart from the odd crank sensor or fuel relay fault ive had no problem with vauxhalls bosch injection systems over the last 15 years.I carry a paperclip in the car so i can flash the fault codes up so for example when the relay went outside alton towers i just flashed the codes and got a lift to the nearest motor factors.Half hour later we were on our way again. Injection is very simple and way better than chucking aload of fuel into the engine using caveman technology.
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Look at all the plastic people who live without a care.Try to sit with me around my table,but never bring a chair.
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i used to be a carb or nothing kinda guy but i'm a willing convert now having run a couple of after market efi systems the power delivery is so much better and smoother over the entire rev range . i still run a carb on the escort but its purley down to cost or it would have a FAST or MSD injection system on it
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I like carbs, but have to say that trying to set up twin worn out strombergs, on a worn out imp sport made a very unsatisfactory experience, and that put me off anything that needed setting up. Nice noise, bad on fuel, drama.......
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^ Yeah, I can imagine. Goes to show just how carbs wear (while EFI doesn't really) - the thing is that a good pair of Stroms on a good Imp Sport engine is about as good as carbs get: Rootes got the needles spot on, and they are smooth and economical. I used to use a gallon of fuel to do a 45 mile journey sitting at 75-odd on the motorway with a little power to spare.
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Last Edit: Mar 7, 2013 23:40:11 GMT by jrevillug
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Carb's sounds far better, are easy to work on & can be fixed with a hammer.
To live with every day, it has to be fuel injection for me as I hate auto chokes & manual chokes can be a pain.
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Last Edit: Mar 8, 2013 15:40:32 GMT by joem83
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Haha these are great responses. For those of you with the VW's with Pierburgs, I remember your pain and now have the Weber. Its still needs to be worked in but isn't that the point of working on a car?
I guess that's why EFI isn't my favorite....if its not something to really have to "maintain", I don't see the fun. I take the little hiccups my car has as an excuse to spend a day outside with her. And something that maintains itself isn't a joyful experience
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I drive Volkswagen
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andyborris
Posted a lot
Freedom is just another word for nothing left to lose.
Posts: 2,214
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My overall point is to say if it came out of a factory a certain way, keep it such Are you sure you're on the right forum? ;D Kidding!
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,537
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...trying to set up twin worn out strombergs, on a worn out imp sport made a very unsatisfactory experience... Its not really fair to complain about something being awkward when its knackered. I don't like how all the efi guys here are saying its the only way to drive a car daily. Until a needle valve got sticky on one carb recently I have not touched the twin HS4s on the Herald in three years. No fiddling, no tinkering, only had to put dashpot oil in a couple of times. Power and economy at least equivalent to the car the originally fuel injected engine came from.
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Follow your dreams or you might as well be a vegetable.
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Absolutely agree with you, Seth My Mini was my daily for 9 years - the carb never caused a big problem. But burnt points, broken ignition coils - that saw me stranded at the side of the road Judging the system by one worn out carb is not exactely fair. And it's one of the reasons, many SU HS carbs get replaced with HIF carbs - which are younger (and less worn) and have throttle seals that hide the problem a bit longer. Doesn't mean they'r better... Aaaanyway. The thing that's doing my head in is the KE injection right now... An aged injection system can be a nightmare to diagnose.
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Aaaanyway. The thing that's doing my head in is the KE injection right now... An aged injection system can be a nightmare to diagnose. Yup. I am not looking forward to mucking about with 1984 vintage Lucas EFI on the Rover Vitesse. Diagnostics? Oh, you mean a Crypton Tuner.
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Last Edit: Mar 8, 2013 10:37:26 GMT by jrevillug
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Well, i'm all about diesel, so i guess that makes me Injection by default ;D
But I would rather direct that common-fail.
As for Petrol engines, I love the Fiesta and it's carb, smooth running, fairly economical and very reliable. But the carb is NEW about 5000 miles old.
Otherwise i like simple fuel injection.
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