boost

[dustoff]

my max boost is about 24psi at w. o. t. and i am running stock except for the 230 tst plate. from what i read in the archives i can pinch or plug the wastegate vacuum line and increase this?? if so is it the right thing to do or is there a better mouse trap? thanks in advance

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'94 2500 4x4 3:54 auto prime-loc tst #6/230 DiPricol egt/boost

 

[Red Rocket]

Mine runs about 30 psi, K&N make a difference? i have 230/605 tst

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1998 2500, auto, 3. 54, 285/75-16, TST 230/605, t/c switch, DiPricol EGT/boost guages,K&N,camper special, 65,000 miles,
12 ton goosneck!

 

[HEMI®Dart]

Dustoff,

If you are sure you have no leaks at the intercooler hose clamps or cracked hose connections, and your boost seems accurate (no kinks in the gauge line) you can adjust the little allen head set screw on the TST boost elbow. For each 1/6 of a turn IN, you should see 2 PSI increase. Try to set ir so you get 30-32 psi max. Anthing more is just a waste. If the setscrew is seems loose, a drop of Loctite will hold it. Your TST wastegate elbow should have been pre-set to allow about 32? psi or so before the wastegate opens. This would probably be the last thing to do if no leaks are found anywhere. You could double check with Joe D or TST on this adjustment.

Check for any leaks in the intercooler connections first. You may very well find the hose has 'walked out' from under the clamps. Mine were, with stock fueling & boost levels! #ad


Like Red Rocket said, A good free flowing air filter helps alot too.



[This message has been edited by HEMI®Dart (edited 03-02-2001). ]

 

[MikeR]

If you installed a TST plate,then it should have come with a new brass elbow that replaces the stock one on the wastegate part of the turbo. If you didn't get one,call TST and order it.

-Mike

 

[Forrest]

I've found that boost readings are elevation dependent. 32psi @ 5k' is 36psi @ Sea Level. Also, blocking off the wastegate or turning the setscrew all the way in the elbow gained around 7psi for me. #ad
#ad


Got to love these Cummins torque monsters. Free boost by turning a screw or accidentially leaving off a hose or free fuel by accidentially putting the fuel plate back in all the way forward. #ad
#ad


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Money Sink - 96, 5 speed, TST 380, HX40-16, 300 HP Injectors, Scourge BD 4200rpm Governor kit, McLeod, 4", CATless, straight out back, chrome turn down, ISSPRO Pillar, Delvac 1 & Amsiol, K&N, Mag-Hytec, 3:54, Michelin 235s on Alcoas, Rancho 9000's, Valentine One.
Dutchmen 27' 5th Wheel.
GoldWing.

[This message has been edited by Forrest (edited 03-03-2001). ]

 

[dustoff]

thanks hemi, rr, and mike... . all the intercooler hoses seem to be tight... i will adjust the hex screw just slightly in the brass elbow... thanks again

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'94 2500 4x4 3:54 auto prime-loc tst #6/230 DiPricol egt/boost