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Engine - Turbo & Block Modifications and upgrades to maximize your Dodges turbo output & Improving strength and durability - pistons to crank.

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  Topic Review (Newest First)
03-05-2019 01:12 PM
midwestmopar Indiana, and its a 2.2
03-05-2019 12:08 PM
INSATANSSEAT
Re: Performance

I'd like to hear more about what happened to cause that in your Spirit. Especially if you're from anywhere near St. Louis.

Is it an ES 2.5 turbo?
03-05-2019 09:47 AM
midwestmopar My spirit was overboosting when I bought it, drove it about 700 miles home before I out a gauge on it and found out, fixed the problem and bam 4th cyl rod gone.
03-01-2019 12:02 PM
masterjr3333
Re: Performance

I seem to always have creep and cut off with my graingers.. some days 12-13 PSI.
some days creep to 14 and OBSD
03-01-2019 10:46 AM
detobias
Re: Performance

Quote:
Originally Posted by GLHNSLHT2 View Post
True grainger valve FTW. Though on a stock T2 turbo setting the boost level for 14.5psi and turning off the cutout in the ECU is just as good.
+1 I've been happy with the 'repeatability' of my 'true' G-valve ..

I try to run 13ish psi to give less chance of a transient overboost and resulting Fuel Cutoff ..

well that and a zener ;)
03-01-2019 09:58 AM
GLHNSLHT2
Re: Performance

True grainger valve FTW. Though on a stock T2 turbo setting the boost level for 14.5psi and turning off the cutout in the ECU is just as good.
03-01-2019 08:58 AM
chromguy
Re: Performance

Quote:
Originally Posted by NAJ View Post
And this is the MINIMAL amount of damage you may/will incur if you constantly hit "overboost cutout".
For the record I try to avoid pressures over 12 psi.
03-01-2019 08:47 AM
NAJ
Re: Performance

Quote:
Originally Posted by chromguy View Post
I am starting to get used to the cutout as it happens every other week when the seat sticks on my MBC. First 20 times it happen it freaked me out. You are screaming along at WOT, through the gears and then the engine "dies". WTF is your first thought and THEN "Oh ya....right, I remember now...CUTOFF"
And this is the MINIMAL amount of damage you may/will incur if you constantly hit "overboost cutout".

Attachment 253195
03-01-2019 08:14 AM
chromguy
Re: Performance

Quote:
Originally Posted by detobias View Post
and give you an Overboost Fuel Cutoff ..
I am starting to get used to the cutout as it happens every other week when the seat sticks on my MBC. First 20 times it happen it freaked me out. You are screaming along at WOT, through the gears and then the engine "dies". WTF is your first thought and THEN "Oh ya....right, I remember now...CUTOFF"
03-01-2019 06:24 AM
detobias
Re: Performance

a properly functioning stock fuel system and ECM etc. will safely allow and provide fuel for boost up to 14 psi;
more than that and you're beyond what the '2-bar' MAP sensor can read,
the ECM won't allow that, and give you an Overboost Fuel Cutoff ..
02-28-2019 07:48 AM
NAJ
Re: Performance

Welcome To TD!!!

GETTING TO 20 PSI
https://www.turbododge.com/forums/f4...ting-20-a.html

GOING BEYOND 20 PSI
https://www.turbododge.com/forums/f4...ng-beyond.html
02-27-2019 08:18 PM
masterjr3333
Re: Performance

the turbo can take 20 PSI. sure. even more than that.

but.



your computer cant.

your fuel injectors cant

your MAP sensor cant read it.

your lack of intercooler can't handle the heat.

and if you try it without accounting for these other things, you will get to meet your pistons face to face realllllyyyyy quickly.
02-27-2019 06:33 PM
86_shelby
Performance

Is it possible to safely push 20psi out of a 2.2l turbo, I would also like to take the electronic waste gate off this turbo

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