Cummins J Hook

Here is a representation of the tag on onan qg 4000.

Cummins j hook.

I think the vibration of the engine and the crappy roads around here jiggle mine loose because i have to go out and push on the hook and pierce the wire again. As an integral part of the automotive supply chain at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees families and customers we have made. This is a great product.

The j hook regulates the waste gate facilitating greater boost numbers which rise even higher as performance modifications are added. 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. A forum community dedicated to dodge cummins diesel truck owners and enthusiasts. 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.

Surges around 26psi but wide open doesnt surge at all. Its also easier to take off the intake horn. 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. Each cummins generator has a model spec number description which is shown on the serial number tag attached to the generator.

Story by mike mcglothlin. Before the j hook on stage 3 i would reach 21psi of boost 1200 degrees egts. Come join the discussion about reviews drivetrain swaps turbos. Mine is from the top probably easiest.

The j hook uses a spring connected to the wastegate lever which controls the max boost pressure at which the wastegate opens. An aftermarket hook will keep the wastegate closed longer which allows for higher boost. 5 fatal flaws of the b series cummins. 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. Awesome bang for your buck. Installs much easier than the bully dog j hook and you dont need to pre tension the spring. 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.

Available for the 2001 2002 24 valve cummins engine equipped with the 47re automatic transmission.