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Converting EFI to Carbi...
https://www.ausmini.com/forums/viewtopic.php?f=5&t=62279		 Page 1 of 1
Author:  IwannaMini [ Wed Apr 07, 2010 3:54 pm ]
Post subject:  Converting EFI to Carbi...
OK so I know that its possible, BUT...

1. Can i still run air conditioning off a carbie'd engined car?? How does this work? Typically when air conditioning is turned on, the box tells the engine to rev higher so the air con doesnt drain the engine and it doesnt stall. How does this work with a carbie?

2. What is involved? Removal of EFI and computer, change over to SU, change fuel pump etc, change over of dizzy, associated wiring etf, what else?

3. Is it worth the cost? (remembering i am currently running an automatic car)

4. Is it more beneficial to rip the lot out, replace it with a worked 1310 engine and manual gearbox and jjust forget the air con?

5. Would an engine pass environmental regulation given the swap over??
Author:  greyghost [ Wed Apr 07, 2010 5:00 pm ]
Post subject:  Re: Converting EFI to Carbi...
IwannaMini


1. Can i still run air conditioning off a carbie'd engined car?? How does this work? Typically when air conditioning is turned on, the box tells the engine to rev higher so the air con doesnt drain the engine and it doesnt stall. How does this work with a carbie?
yes you might have to put in an idle-up solenoid

2. What is involved? Removal of EFI and computer, change over to SU, change fuel pump etc, change over of dizzy, associated wiring etf, what else?
do you have provision in the block for a dizzy?, some of the later blocks have this hole blocked off.
if so then yes.

3. Is it worth the cost? (remembering i am currently running an automatic car)
NO, i would rather have the benefits of EFI any-day. easy starting smoother idle, more economical and more HP to boot

4. Is it more beneficial to rip the lot out, replace it with a worked 1310 engine and manual gearbox and jjust forget the air con?
lots of $$$$ here, and you'll only wish you had kept it as it was. if you want a go-fast mini buy another and do it to that.

5. Would an engine pass environmental regulation given the swap over??
NO, not a chance. thats why all cars are EFI now so that they can pass emissions
Author:  Mini Mad [ Wed Apr 07, 2010 5:20 pm ]
Post subject: 
I disagree, and marcello will back me up, as the reason he is considering ripping the lot out is the sheer amount of problems his EFI rover is giving him. They are much harder to diagnose and fix locally.

They are much harder to work on with the space all the EFI stuff takes up and i bet you an EFI mini is no cleaner than a carb'd mini.
Author:  Harley [ Wed Apr 07, 2010 5:53 pm ]
Post subject: 
They also have less power than a carby car too.
I'd keep trying to fit the car myself. It'll probably just turn out to be something simple to fix but hard to fault find like the black relay box that powers the ECU is faulty or the injector has died or something.
Author:  GT mowog [ Wed Apr 07, 2010 6:03 pm ]
Post subject: 
With respect Mad Mini, I would have to say 'stick with the EFI'. Yes, I have been reading that yours is giving you some grief, but it will only be one silly little thing that is giving you this grief. Just because it seems to be playing up does not mean that the system is no good. There are a lot of these out there and they are good and truely not that complex, just different to the old Carbie / Dissy set up.

I would say that you would regret removing it. The car will not comply and it will never be right, unless you removed the engine and changed over ever non-EFI part, which includes the Camshaft for one item.

There are a few Mini Specialist local who can sort it.
Author:  EST-071 [ Wed Apr 07, 2010 7:03 pm ]
Post subject: 
I to agree with GT, I have had no problems with mine in the last 12 months ( except a starter motor ) and it is a daily driver, I do about 400km a week.
As for the diagnose side of things, I have a scanner here that reads the SPI and parts are quite easy to get either here in Aus or from the UK.
If you want to know the ins and outs of converting to carb have a look to the following link and do a search.
Be warned you will need a bit of time to read it all so grab a 6 pack or make a big cuppa.
Cheers Pete
Inlection Mini Specific - SPI and MPI
Author:  Maxi23 [ Mon Apr 12, 2010 8:26 am ]
Post subject: 
I was in the same frame of mind early on in my SPi ownership.

Problems with a split vacuum hose L-bend and an incorrectly tightened manifold had me wondering why the hell I chose an injected Mini (prior to diagnosing those problems).

Once the SPi is running exactly how it should be, all you should need to do from then on is a basic service every few months.
Author:  Fat Boy Dave [ Mon Apr 12, 2010 9:44 am ]
Post subject: 
In response to some of your questions:

1. Yes, you might have to put in an idle-up solenoid. (you should be able to salvage from a number of other cars).

2. Have a quick read here:
http://www.minimania.com/web/Item/MMKT0404/InvDetail.cfm
I have seen this mod detailed as a how to in any number of the UK Mini mags and I'm sure it will pop up again.

3. No question, you will get more power from a properly setup carb, but then you should look at all the other stuff then as well. e.g. extractors, exhaust etc.... You should get a fair bit more power going from auto to manual as well. Removing the aircon will also give a power gain.

4. If you want to do this you may as well look at another car given the costs involved.

5. I doubt it.
Author:  NG [ Fri Apr 16, 2010 10:58 pm ]
Post subject: 
hey mate.

i run aircon in my mini.

i do not have a idle up solenoid, i have twin carbs & it never stalls when i turn it on, it does drop rev's when sitting idle but no stalling.

if you run a single it is easy to set up a solenoid

i use my mini everyday twin su's, aircon runs fine & never stalls the car.

if i was you i would try get a manual car, rover auto's are slugs nearly bought one cheap when i tested i hated it.

i would maybe run what you have get rid of all the ecu crap & change over to carbs and a megajolt.

hope that helps.

:)

edit.. if it was me.. i would get a 1310 worked & aircon :) it's bliss in summer.

im going to super charge mine with aircon :D
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