Nytro MCX Over boosting!!!

BBNytro · Jan 28, 2010

Running the 240 kit and in the process of setting it up. Elevation about 1900ft. First couple of rips it was pulling like 17 lbs. !! So tried extending the wastegate rod 5 full turns now it is pulling 15 lbs. Extended the rod 3 more turns and it is still at 15 lbs.

This kit is only supposed to be 10 - 14 lbs max. There is hardly any more room for adjustment.

Any Ideas as to what is going on?

Thanks

aart · Jan 29, 2010

if you open waste gate to much it will equal poor bottom end. the gate needs to be closed at idle, you should be able to put the connector on without opening gate. do you not have another controller?

BBNytro · Jan 29, 2010

Yeah have another solenoid, gonna try a mechanical boost guage to see if the electrical guage is correct, sure feels like 15 lbs. though.

yamiman · Jan 30, 2010

I have an mcx 270 on my nytro and im having the same issues as you. Im not using the automatic altitude compensator from mcx, I do however have it plugged in just not in line between the turbo and wastegate. Im using a turbo smart boost controller and have adjusted the hell out of my waste gate to only see 15 psi on my guage. Im wondering if I might have messed up something in my waste gate? That seems to be the only reasonable explanation. I think I might take mine apart and see whats going on in there.

BBNytro · Jan 30, 2010

yeah I have heard alot of guys switching to a manual boost controller, I am using a Turbosmart E boost 2 electronic controller it works great! and boost is a couple buttons away!

SLY · Jan 31, 2010

The turbosmart boost controller won't allow you to adjust the boost lower than the wastegate setting. You have to lengthen the rod to get it lower.

BBNytro · Jan 31, 2010

SLY said:
The turbosmart boost controller won't allow you to adjust the boost lower than the wastegate setting. You have to lengthen the rod to get it lower.

Yeah but it will work correctly and actually open the wastegate to lower the boost.

Thistledoo · Jan 31, 2010

have you tried running it with just a hose...no controllers or tvc or anything? If it runs 15 still then the rod is to tight....how far do you have to pull it out of the actuator to get it to drop on the pin? Did you read my thread from a few weeks back? Had similiar issues....do a search and have a lookie.

SLY · Jan 31, 2010

BBNytro said:
Yeah but it will work correctly and actually open the wastegate to lower the boost.

If you are asking if it will work correctly, yes it will. I have done lot's of these. Assuming you have it hooked up the right way?

snowy1 · Feb 2, 2010

more boost is better

BBNytro · Feb 2, 2010

OK Nevermind we figured it out the Autometer digital Boost guage isn't correct, hooked up an old fashioned analogue guage it is reading 10 when the digital is saying 15.

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Nytro MCX Over boosting!!!

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