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Mustang Technical Discussion > Mustang Projects > Husky's 65 Restomod > Community Forums > Mustang Forum Australia - Mustang Tech

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Husky65
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Well that's the beauty of the 2000. It will support me all the way to stupid power if I get bored


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Husky65
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I'd like to try running a wastegate on the discharge tube along with the bypass valve regulate boost, allowing a bit of a smaller pulley.


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hybrid
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You could probably use an idle valve like mine and control it via PWM from the Megasquirt.
It's got 3/4" connections and you wouldn't need to leak much to drop the boost.

The other thing you could try is just to bleed off the boost to the bypass valve. That would allow boost to push it open.
Doing it that way doesn't require any other hardware, so it could be used for both bypass and boost control.


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Husky65
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Yup I like the bleeding off boost to the bypass valve idea. I actually have a manual boost controller from an old skyline I had here that might do that job perfectly. Will research it more. A novi2000 pushes a lot of cfm, I don't know if an idle valve will be able to bleed enough in the higher rpms


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hybrid
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You would be surprised how little you'd have to bleed off to lower the boost.
But yeah I still think the bypass valve is the best idea if you can control it well enough because you don't have to modify any extra pipework etc.

If the boost controller you have uses PWM to drive the solenoid, you might be able to drive the solenoid directly from the ECU.


Last edited by hybrid on Wed Sep 13, 2017 11:10 am; edited 1 time in total

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hybrid
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By the way, it's going to be f'ing noisy on boost unless you get a recycling unit, but then oyu have to think about recirculating hot air back into the compressor to be heated up all over again.


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Husky65
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All good I used to have an externally vented wastegate so I know what to expect. The boost controller is a simple mechanical ball and spring one. Very effective once adjusted properly


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Husky65
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I was thinking about it, and I don't think a bypass valve will work easily if it's also being used as a bypass valve. If you bleed off boost to the bypass, it will do it throughout the entire rev range, and it will do it at a fixed rate. Ie if I set it to 2psi it will bleed of 2psi from the get go to redline. I can't have it closed until it reaches a certain psi, and then open, like a wastegate.

I was looking at these earlier. I can set it to a certain psi, then once it reaches that psi it will gradually open to bleed off boost.
928motorsports.com/par...rvalve.php


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Husky65
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Pulled the novi apart today. The internals looked very clean, bearing look fine. I will replace the seals anyway for the sake of it.
To get to the rear seal, I need to pull the impeller off, which is pressed on.. Once the impeller is off the shaft just slide out apparently. I don't have a press and and don't really want to use a hammer on the shaft.
Any suggestions?


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Husky65
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Also, does anyone have a contact for metal polishing. Want to get the novi polished, as well as a couple other pieces. I have 3 to choose from in my area(liverpool area), but thought I'd see if anyone can recommend someone first.


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unilec5544
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Husky65 wrote
Pulled the novi apart today. The internals looked very clean, bearing look fine. I will replace the seals anyway for the sake of it.
To get to the rear seal, I need to pull the impeller off, which is pressed on.. Once the impeller is off the shaft just slide out apparently. I don't have a press and and don't really want to use a hammer on the shaft.
Any suggestions?


Maybe a good idea to buy your own press, not too expensive.

www.machineryhouse.com.au/P144


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ozbilt
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I have a press at Duggo if you want to come for a drive.


Kerry

"Thank you Boofhead for the wonderful memories"

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gbx78
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Husky65 wrote
Pulled the novi apart today. The internals looked very clean, bearing look fine. I will replace the seals anyway for the sake of it.
To get to the rear seal, I need to pull the impeller off, which is pressed on.. Once the impeller is off the shaft just slide out apparently. I don't have a press and and don't really want to use a hammer on the shaft.
Any suggestions?


funny.. im about to do the same thing as my rear (output seal) is leaking a bit of oil and was wondering how to get the impeller off the shaft as its pressed on. Once i get the seals and ill give it a go. following to see how you go


'You can never test fire too many times.' - Hybrid

'You can never have too many gauges' -
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Husky65
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Thanks Kerry, a few guys in the states apparently blowtorch them, and they come off pretty easy 'apparently'. If this doesn't work I'll send you a pm.

gbx, I hope you're fittings aren't as tight as mine. Every goddamn bolt was torqued off the scales. Ended up snapping one and extracting it, broke 2 hex fittings and 2 allen keys. I had to use my impact gun to get a few of them off Head Bash I purchased my seals through superchargerrebuild. Apart from shipping their prices are ok, but I have a US forwarder so postage will be stuff all. Will come to about $80-90 bucks. Still crazy for 2 seals though.


Last edited by Husky65 on Sat Sep 23, 2017 11:08 pm; edited 1 time in total

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Husky65
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unilec5544 wrote
Husky65 wrote
Pulled the novi apart today. The internals looked very clean, bearing look fine. I will replace the seals anyway for the sake of it.
To get to the rear seal, I need to pull the impeller off, which is pressed on.. Once the impeller is off the shaft just slide out apparently. I don't have a press and and don't really want to use a hammer on the shaft.
Any suggestions?


Maybe a good idea to buy your own press, not too expensive.

www.machineryhouse.com.au/P144


Mate it's a space thing not a cost thing. I'd buy one in a heartbeat if I could put it somewhere.


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