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  1. 72RobCharger

    Leaf spring shackle flip?

    check my latest post out for more information on my situation if you like. I didn't mean to hijack an old thread
  2. 72RobCharger

    Leaf spring shackle flip?

    would the front ride height affect the pinion angle?
  3. 72RobCharger

    72 Small block charger Ring and Pinion Trouble

    I know the short answer to all of this is check the angles. Which i plan to do. I realized that the rear replacement shackles i bought are the hotckis HSS-17367. Which are 4" long. I read in this group from a google search that stock b body rear shackles are 3.5" long not 4. I just am wondering...
  4. 72RobCharger

    72 Small block charger Ring and Pinion Trouble

    My buddy thinks the pinion is way to deep in the ring gear. The Yukon manual said start with a 30 thou shim. The shim that was in it from the first ring and pinion build was like a 70 thou. from what i am reading to , i also am lead to believe that a ring and pinion setup would not cause any...
  5. 72RobCharger

    Leaf spring shackle flip?

    of course i make a post and THEN find this post about front shackle position affecting pinion angle. I bought leaf spring shackles from ebay that have a 1.5" lowering option on the shackle with an upper set of holes. I did this Then had my ring and pinion done and it was vibrating bad on...
  6. 72RobCharger

    72 Small block charger Ring and Pinion Trouble

    Hello everyone, I recently had my 8.25 rear end went thru again in 2024. It was first originally redone in 2018. I had a limited slip installed with a 3.90 gear installed from a 2.76. Being my luck it wasn't right and vibrating on deceleration in 4th at highway speeds. The mechanic didn't tell...
  7. 72RobCharger

    rebuilt 318 knock noise around 2500

    Here are a couple shorts one of cam break in and the other after it was broke in. this motor definitely Like the Lunati voodoo cam 494/513 lift. Its so weird to not hear that knocking noise anymore! Cheers everyone and thank you for your help!
  8. 72RobCharger

    rebuilt 318 knock noise around 2500

    Alright everyone, Its been a little while but i said i would come back and report my findings. We wound up removing engine to investigate all the way. I had everything to rebuild it anyway. This is the 3rd rebuild on this motor. That just seems to be my luck but thats ok. I always make it a...
  9. 72RobCharger

    rebuilt 318 knock noise around 2500

    well, i am still vigilant about this noise. I just remembered a couple weeks ago that back in 2020 when i was installing my aluminum heads that on base circle of a cam lobe it looked liked a lifter had been hopping around the lobe a bit. It had a strange pattern that wasn't a solid path all the...
  10. 72RobCharger

    rebuilt 318 knock noise around 2500

    Held every rocker arm and revved it. I don't think that side to side play is making any noise. Every small block online that i've seen makes 35 to 40 lbs of oil psi. I adjusted my lifters some more today and i swear the noise moved up in the rpm range. I really hope that after dropping oil pan...
  11. 72RobCharger

    rebuilt 318 knock noise around 2500

    I will do that. I did watch the rockers with the valve cover off. Tho i do believe with my lack of oil pressure is causing a problem on the drivers side. While watching it run i didn't see the rocker going side to side. I will try the glove method tho! thank you geoff
  12. 72RobCharger

    rebuilt 318 knock noise around 2500

    I been up late researching on everything that has came to mind. The most recent thing that i have been looking up is perhaps my lack of a Oil Pump gasket is causing my oil pressure to not be what it use to be and not providing enough pressure to keep my lifters pumped up at higher RPM. At least...
  13. 72RobCharger

    rebuilt 318 knock noise around 2500

    Ok everyone, first off PADAM thank you for the stethescope link. I used it today! I am getting this noise from drivers side of motor and it seems to be coming from cylinder 7. It literally almost sounds like a lifter not staying seated on the cam. I really doubt thats the case cuz hell you'd...
  14. 72RobCharger

    rebuilt 318 knock noise around 2500

    I got my stethoscope kit it. I will be warming up the motor next chance i get and listening everywhere! When i figure out what this noise is i will besure to let you guys know! also in the mean time is my lil ol .060 over aluminum headed 318 !
  15. 72RobCharger

    rebuilt 318 knock noise around 2500

    thats very nice. I actually ordered one today! thank you
  16. 72RobCharger

    rebuilt 318 knock noise around 2500

    Here is the KB167 piston that cracked. figured id better share these so you all get the full picture. Again the machine shop was supposed to checked the cylinder hole to make sure it wasn't egged out and still true. I really wonder if they messed up the installation of the wrist pin. A floating...
  17. 72RobCharger

    rebuilt 318 knock noise around 2500

    Hey thank you. Good things to check. Im drawing a blank with the heat riser... was that part of the exhaust manifolds? Im getting use to posting short reels on youtube so i'll be posting more videos. I borrowed a cool idea for an external hydrualic slave cylinder, that is in the charger. I'll be...
  18. 72RobCharger

    rebuilt 318 knock noise around 2500

    Doorkicker thank you for your continued support and insight to this debacle. Flywheel bolts should be in check. Back in 2020 I installed a rebuilt 4 speed, a lighter billet steel flywheel along with new clutch and pressure plate. Torqued everything to spec and used loctite. The noise existed...
  19. 72RobCharger

    rebuilt 318 knock noise around 2500

    Im running the comp cams 906 springs. Single Outer Valve Spring: 1.355" O.D., 1.011" I.D.
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