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81 gs400l camshaft's

  • Thread starter Thread starter Mekanix
  • Start date Start date
M

Mekanix

Guest
I have some pitting on my original camshafts.

And 2 from a donor motor that are allot better visually.

Assuming its from 80-82 because its identical to mine visually.

I've measured every dimension and it matches my original cams however I can't measure duration and degree's at the moment without and assembled engine. They look Identical however looking is not enough for me.

Question:

My original cam's have markings that say R3, 442, (B), (J) On the intake
R2,442, B, (C), on the EX


The Donor cam's have R1, 442, (K), (7) in the IN
R4, 442, (K), (4) on the EX

Are they really Identical ?


thanks
 
Last edited:
Who cares if they are original? Use the best cams you have and slam it together.
 
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