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  1. 911joeblow

    How to keep her cool?

    As the LS engines developed they altered the casting of the coolant passages to accommodate better balance of coolant flow within the block. Most European engine designs have been doing this for years. Things are getting better for V8s as development continues. Our kits create a flow path where...
  2. 911joeblow

    How to keep her cool?

    I was not trying to be condescending but instead offering a link to more information so that anyone who wants to learn more can do so. This is a complicated subject to understand fully and had it not been for our motorsports engineering background, we would not have undertook this project. Why...
  3. 911joeblow

    How to keep her cool?

    I know that the science is not always easy to follow so here is another way to look at this. GM and later GEP continuously worked on this rear engine overheating issue over the life of the 6.2 and 6.5 engines. First they changed the crossover design, then they added a dual thermostat housing...
  4. 911joeblow

    84 m1009 cucv chevy blazer build-up

    I know that the science is not always easy to follow so here is another way to look at this. GM and later GEP continuously worked on this rear engine overheating issue over the life of the 6.2 and 6.5 engines. First they changed the crossover design, then they added a dual thermostat housing...
  5. 911joeblow

    How to keep her cool?

    Coolant flows up and out of the heads at the front. The rear of the block has little flow compared to the front. By drawing coolant at the back you create flow where there was little before. We do not claim our kit reduces system temperature at all, however it does balance the temps front to...
  6. 911joeblow

    84 m1009 cucv chevy blazer build-up

    Just remember surface temps are not internal temps. The only way to get really accurate numbers is to install temp sensors in the coolant passages. I assure you that the rear of these blocks run VERY hot. Simply dropping system temperature will NOT change that. In fact by lowering the temps...
  7. 911joeblow

    84 m1009 cucv chevy blazer build-up

    GM and later GEP added bandaid over bandaid to fix the uneven coolant temps in these engines. The different pumps, dual thermostats, military geared fans vs hydraulic fans all were tried. My favorite is when they finally gave up and over bored only the rear #7 and #8 cylinders so the overheating...
  8. 911joeblow

    Bleeding Coolant in 6.5

    Just follow the instructions in the kit for bleeding. The Paradox kit self bleeds your system constantly.
  9. 911joeblow

    Humvee Fan Fighting with Thermostat? (almost always on but temps are good)

    These are NOT like your gas trucks. Temps below 200 are NOT good for a diesel. Diesels need temperature to run properly and achieve proper burn. Your gauge is indicating correct operating temps. The fact that your fan is on a lot can be due to several things but here is a short list. If...
  10. 911joeblow

    Validating M998 temperature gauge

    IR is notoriously inaccurate for reading internal coolant temps. Don't shoot at shiny metal, rubber hose is best. That all being said those temps are sounding correct. A lot of guys chase gas engine temps thinking cooler is better (180-190F) but that is absolutely false on a diesel. You need...
  11. 911joeblow

    FLU419 SEE HMMH HME Owners group

    Bent linkage is suuuuuper common.
  12. 911joeblow

    1991 HMMWV overheating

    So many of these get refilled with river water or worse, make sure you are dealing with clean coolant. Jack up the front of the truck and run it for a bit. There are pockets at the back of the block that can trap air you can help bleed out by lifting the front of the truck. Everything else in...
  13. 911joeblow

    HMMVW roll bars

    So frame mounting is the way to go BUT if you spread the load over a large enough surface area then these types of bars can provide good rollover protection. In unibody racecars (my background) we had no frame to weld too, so the floor and the wheel wells and the rockers were used all the time...
  14. 911joeblow

    What have you done to your CUCV today/lately - Part 2

    Looks good Buddy!
  15. 911joeblow

    6.2 Head Gasket Issue (Video)?

    Head gaskets fail in all sorts of ways. Yours is likely due to warpage due to overheating which is common due to the unbalanced cooling across the block. Make sure to install one of our Cooling Upgrade kits to fix this from happening again after the rebuild. www.paradoxbydesign.com
  16. 911joeblow

    cooling water temperature

    I would highly suggest adding in a Cooling Upgrade Kit from Paradox to ANY 6.2/6.5. Make a huge difference in keeping the temps balanced across the block and heads as well as burping the back of the block constantly. www.paradoxbydesign.com
  17. 911joeblow

    FLU419 SEE HMMH HME Owners group

    Agree, just steel wool or a fine wire brush on a bench grinder for the shaft and rifle brushes for the female stuff. These clean up really nice. Modern synthetic grease wont gump up like the old stuff.
  18. 911joeblow

    FLU419 SEE HMMH HME Owners group

    I unfold the excavator and park it centered up or if really bad lowered down a bit. Give a ton of counterbalance.
  19. 911joeblow

    What did you do to your trailer today.

    So likely a loaded question (pun intended) but any idea out there how much load you can put on top of the stock bows of a M1102? I am putting a 4 man fold out and pop up tent on top and making stake sides below to contain my dogs in the bed.
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