General Category > Quadrajet Carb Talk and Tips

Finding the best jet/rods combo

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Tyler73Deville:
This is the one that came in my 268 carb.. about 15 coils and 1 5/32 length diameter measured .19. not 100% Positive its the original one but feels just a tad less stiff as the dark blue in cliff's kit and a bit more stiff than the green.

Kenth:

--- Quote from: novadude on December 06, 2022, 08:02:44 AM ---Any idea of the free length, wire diameter, and coil count on the 10-6 in-hg spring?  I'm not sure where to find this info for OEM GM PP springs.

--- End quote ---

I have a few NOS 7037305 PP springs and they have 15 .014" coils, with a free length of 1.268" and .199" diameter.

My NOS 7037851 springs has 15 .012" coils, 1.156" free length and .196" diameter.

HTH

novadude:
Thank you!

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