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cliff notes

B series head dowel
cut to 0.580 inches
installed in the tensioner
8 psi stronger spring
fail safe so chain does not slip or come off.


Um, which head dowel?! There are several.

10x12
13x20
14x20

I understand the length needs to be modded... but i need to know which diameter... is it the same as the piston?
 

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Yeah i agree. The pics SEEM kinda self explanatory. The pin is laid out next to the TCT. I can assume the dowel is the same size at the piston... the diameters appear similar... but it would be nice to get answers to questions asked. I guess if we were buying modded parts instead of trying to mod our own, it would be a different story. :confused:
 

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Was it ever determined if the internal dowel pin was good or bad? I had one in my last TCT that went 30k miles with no issue... but it was on stock k24a1 cams.

My current build is a little more aggressive (z3 cams/yellow outers red inners) and I was curious if i should carry over the internal dowel pin?
 
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