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  1. 2500avalanche

    Setting pinion angle question

    So, I am in the middle of checking/setting pinion angle. I am having difficulty understanding how to do it successfully. Yes, I have a gauge, YES I can search on google/youtube, but my measurements are as follows. Harmonic Balancer (-4.5), Drive Shaft (+.3), Rear Pinion ((-5.8). Now my truck is...
  2. 2500avalanche

    Stock size test pipe $75

    Stock size sportmachines stainless test pipe if you would like to remove the cat. Obviously for off road situations only. Nothing wrong with it as I just moved everything to 3". Comes with the gasket in package (see picture). $75 you pay for shipping.
  3. 2500avalanche

    Transmission issue? But not sure

    So I took my truck out tonight, and ran into an issue. Truck accelerates fine and goes through the paces, but around 75mph I am getting a vibration (pulsation) that gets pretty bad the faster I go. Also, when I am at 60 mph and I hit the gas, boost shoots up to 16lb, rpms go up, but the truck...
  4. 2500avalanche

    Chasing a boost spike, Forge Wastegate question

    So I am trying to tune myself a bit as funds currently prevent me taking it to a person as originally intended. I still plan on taking to a person to tune in teh very near future, but I want to see what I can do myself. I am having an. issue with initial boost spike once I hit the gas. Boost...
  5. 2500avalanche

    stock throttle body wanted

    looking for a stock throttle body. let me know what you have!
  6. 2500avalanche

    Running rich and then Very lean...

    My truck has run very normal Wideband (AEM) always worked. Put the truck away for winter. Started it up a few times, and even drove it during the 1 nice day, and ran great. Went out to the garage last week. Literally NOTHING has changed (meaning I didnt mess with a thing, hood still closed!)...
  7. 2500avalanche

    Typhoon Rear hatch pin#?

    So, looking for the correct pin for the rear hatch (for the door/hinge part). I am having no luck finding the part number or dorman #.
  8. 2500avalanche

    Timing newb... need some re-assurance!

    So, I first want to thank a few people who have assisted me recently. I know this board is almost dead, but there are a few of us old timers still around! I am a visual learner, and need some understanding and steps for setting timing and TDC as I had to take my distributor out. So, I found a...
  9. 2500avalanche

    Upper LOWER cracked

    I went out to the typhoon, and I noticed that after I changed the coolant temperature sensor, the intake cracked. I am in need of one. Does anyone have a stock LOWER intake they would like to sale?
  10. 2500avalanche

    Carlisle this year (2021)?

    I am curious if you are going to Carlisle this year. I am not on facebook, but I can see there are a bunch going. Anyone traveling from the Ohio/Western PA area?
  11. 2500avalanche

    Cant get over 12lb boost

    So I have an issue right now. Last fall, my truck would get to 16lbs no worries. During the off season I upgraded to an ATR upper (yes, very minty - thank you to the person who sold it to me!). Now, I can not get the truck over 12.6 boost. No clue why. I have adjusted my forge wastegate thinking...
  12. 2500avalanche

    Cut exhaust/DP question

    I have a question that some experts might help me with. My Ty is running good, but I have ALWAYS got an exhaust smell in the cab. I know it is coming from where the DP connects to the test pipe or cat. The reason is the previous owner had someone weld a pipe (3" test pipe OVER the stock pipe...
  13. 2500avalanche

    Forge wastegate question/issue?

    So, I have been tuning my truck, finally, no knock. But here is the issue I have a forge wastegate, and with scan master and the boost silanoid connected, it (as well as a boost guage I have) is saying I am boosting 15 lbs. After doing some reading, I hear people take the silanoid off, and just...
  14. 2500avalanche

    Typhoon AC line

    Looking for a OEM Typhoon AC line to condensor. If you have one (used or not) let me know. Interested in purchasing
  15. 2500avalanche

    ATR UPPER INTERCOOLER INSTALLATION DIRECTIONS NEEDED

    I just purchased a used nice ATR Upper. I am trying to figure it out how to put it on (what I need to remove, etc). Does anyone have the instructions for one as a PDF or pictures to assist? Thank you!
  16. 2500avalanche

    Look what just showed up at my door!

    I have been wanting one for the past 7 years, and I finally found one. Thank you to the person who sold it to me!
  17. 2500avalanche

    Can someone take a picture of the EVAP canister?

    So, I am trying to figure out a gas smell I am getting. I believe (with teh help of Dave) that it is coming from either the EVAP canister. Here is a picture of my canister (1992 typhoon). Looks original. I had 2 hoses to it. Tank one (labeled tank) and the one going to the bottom of the throttle...
  18. 2500avalanche

    Anyone need a NOS GM tailgate for typhoon?

    Curious, what does one of these bring? Never installed with GM stickers on it.
  19. 2500avalanche

    Reading Boost gauge compared to scanmaster G

    I am tuning my truck, but the boost gauge ( that I have connected to the hose) is reading a 15 while the scanmaster is reading a 11. Any thoughts to this?
  20. 2500avalanche

    Made a ram-air intake

    So, For the past few years, I have run a cervinis dual snorkle hood. They do not make a way for you to get the fresh air into the intake. Not a lot of room. My goal was to create one. I tried my hand at bending metal, brazing, cutting, measuring! Here is what I came up with. Today was the first...
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