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Help with HIF44 connections https://www.ausmini.com/forums/viewtopic.php?f=2&t=90528 |
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Author: | Morbo28 [ Sun Sep 13, 2015 6:33 pm ] |
Post subject: | Help with HIF44 connections |
Hi all, I have labelled these photos I took of my HIF44 carby. Could you please confirm for me what I should connect to each pipe (note 'A' is blanked off). ![]() . ![]() I have searched on this and other forums, however my carby appears to be different. On my carby 'A' is blanked off as shown. When I have searched online I have found that people refer to this as the place that the fuel in should go. Any help appreciated ta. Morbo |
Author: | Mick [ Sun Sep 13, 2015 7:49 pm ] |
Post subject: | Re: Help with HIF44 connections |
2 is the fuel line, with A being the exact opposite side to 2. The carb can be set up from the factory with left or right side fueling, the opposite side is simply blanked. 1 is for the choke cable. B is the breather (goes to the fuel tank on late minis) C is crank case ventialtion |
Author: | Morbo28 [ Sun Sep 13, 2015 8:02 pm ] |
Post subject: | Re: Help with HIF44 connections |
Awesome thanks Mick, champion! |
Author: | bnicho [ Tue Sep 15, 2015 11:13 am ] |
Post subject: | Re: Help with HIF44 connections |
Twice I have connected the fuel line to B instead of 2 and wondered why the bastard flooded and would not run! |
Author: | Morbo28 [ Tue Sep 15, 2015 11:26 am ] |
Post subject: | Help with HIF44 connections |
Yep - that's what I had done before I asked ![]() Engine started by the way. Fuel in 2. Attached an empty fuel line in B just for a breather/overflow and blocked off the crankcase vent. Vid of the magic moment is in the thread in my build thread below btw ![]() |
Author: | bnicho [ Tue Sep 15, 2015 11:31 am ] |
Post subject: | Re: Help with HIF44 connections |
Good stuff. I did the same as you but I plumbed B into the air filter. It prevents dust getting into the float bowl. |
Author: | Morbo28 [ Tue Sep 15, 2015 1:29 pm ] |
Post subject: | Re: Help with HIF44 connections |
Ah cool. Yeah I might do that when I install the engine into the car. Actually, given I will be running an electric fuel pump, should I use that as a fuel return line? |
Author: | bnicho [ Tue Sep 15, 2015 1:33 pm ] |
Post subject: | Re: Help with HIF44 connections |
No, its just a vent or breather, not a return line. You don't need a return line to run an electric pump. Just make sure the pump you buy delivers the right pressure and no more than that. 3 or 4psi I think it was - best to check. Too much pressure and the needle and seat will stay open and the carb will flood. |
Author: | Mick [ Tue Sep 15, 2015 5:18 pm ] |
Post subject: | Re: Help with HIF44 connections |
bnicho wrote: Good stuff. I did the same as you but I plumbed B into the air filter. It prevents dust getting into the float bowl. I think you will find B is already plumbed into the air filter, you can see the casting passage pointing backwards in the image as well as straight down. The point still stands for dust protection however, I just use a little rubber cap you can get from the bolt rack at supercheap etc with a drop of superglue on it to help it bond a little bit better. They have a tendency to get knocked off otherwise. |
Author: | Morbo28 [ Tue Sep 15, 2015 8:59 pm ] |
Post subject: | Re: Help with HIF44 connections |
bnicho wrote: You don't need a return line to run an electric pump. Just make sure the pump you buy delivers the right pressure and no more than that. 3 or 4psi I think it was - best to check. Too much pressure and the needle and seat will stay open and the carb will flood. Thanks for that, will do. Mick wrote: I think you will find B is already plumbed into the air filter, you can see the casting passage pointing backwards in the image as well as straight down... So it is...thanks for pointing that out cheers. |
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