Popping Under acceleration

[Rawze]

(08-18-2026 )Phoenix6189 Wrote:  ...
Cam looks fine. #6 Wedge, Wedged CAM and set insert pin on balancer. and Pin went in correctly.
Dumb question, is there 2 places on the cam the wedge will go in?
...

There kind-of is...

There is only one slot cut into the balancer that the pin fits into, but just by feel alone, I have seen where the pin seemingly drops in and somewhat locks in place, that is several degrees before that point.

- However, it will be in too far .. or not far enough, depending on where it lands... and I can easily see where this can fool someone into thinking its in the right place.

The giveaway is that the 'PIN' position on the crank shaft damper will not be aligned to the mark of the gear cover ... but the issue is also that the gear cover and/or crank shaft damper is sometimes not installed when someone is settings the overhead cam.

- After engine is all back together, and engine is fully at room temp again ... all someone has to do is rotate engine around by hand and insert the overhead cam wedge until its fully seated + rocking the crank gently, and then see if the crank is aligned with the 'PIN' position (every other rotation only) .. and that any play in the crank movement is even to the left,. end then the right of that center-pint mark while only the overhead cam is pinned.

... I have done this more than a few times over the years to find slipped cams, improper assembly, etc. of the front gear train, etc. - Have you done this test?>,, and how close was it from one side to the other?.. and how close, once pinned as well, because it only take a couple of degrees of error and things will be screwed up.

Here is more info on cam wedges and tricks for installing them where they will NOT slip, etc. Many mechanics get this wrong due to lack of proper training ... especially at the stealers$its...
https://rawze.com/forums/showthread.php?...2#pid60202