Before the j hook on stage 3 i would reach 21psi of boost 1200 degrees egts.
Cummins j hook.
Each cummins generator has a model spec number description which is shown on the serial number tag attached to the generator.
Installs much easier than the bully dog j hook and you dont need to pre tension the spring.
The higher volume of air will also help keep exhaust temperatures down.
Surges around 26psi but wide open doesnt surge at all.
A forum community dedicated to dodge cummins diesel truck owners and enthusiasts.
An aftermarket hook will keep the wastegate closed longer which allows for higher boost.
I just installed my j hook today.
The j hook uses a spring connected to the wastegate lever which controls the max boost pressure at which the wastegate opens.
Story by mike mcglothlin.
Available for the 2001 2002 24 valve cummins engine equipped with the 47re automatic transmission.
This is a great product.
Im very happy with it now peaking at 35psi now just need injectors to help heat the egts up haha.
If you own a 2001 2002 model year with the 24v cummins upgrading your j hook is a cheap and easy way to boost power.
Note the highlighted letter code in this case p which denotes the specification type of the particular generator which can then be referred to as spec p.
5 fatal flaws of the b series cummins.
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Awesome bang for your buck.
Mine is from the top probably easiest.
I have the tst and the j hook on mine just watch every once and a while mine seems to come loose and when i romp on it it acts like it has a miss.
I have a 2001 ram 2500 with edge juice w attitude k n rv275 injectors from tst air dog fuel pump and now a j hook.
Despite all the performance potential and well documented durability the b series cummins is known for a lot of folks tend to overlook its shortcomings.
The j hook regulates the waste gate facilitating greater boost numbers which rise even higher as performance modifications are added.
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Here is a representation of the tag on onan qg 4000.
