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View Full Version : Stock Valve springs specs


Aevus
10-30-2021, 11:55 AM
Anyone knows the stock valve springs specs (seat/open pressure, rate, style, dimensions, etc..) gen 3 or 4

Thank you
Old School
10-30-2021, 01:30 PM
When I need this info (don't have it anymore), I just bought a spring from the dealer (<$10) and measured it.
Aevus
10-31-2021, 12:35 PM
When I need this info (don't have it anymore), I just bought a spring from the dealer (<$10) and measured it.

Yes I know but I thought that information was easy to find on internet. Looks like it's not, I can barely find any information on the stock camshaft (0.544'' lift?)
Aevus
10-31-2021, 12:41 PM
Well, at least I have the flow data of the heads (stock & ported)

http://www.speedstore.ca/VP3_flow_sheet.html


Available for gen 1, 2, 3, 4:
http://www.speedstore.ca/mopar_heads.html


Stock and even ported heads from the Gen4 clearly doesnt benefit from lift over 0.600'', but for the gen3 it does. Assuming the flow data is good, of course..


I'm just curious about all the specs of stock camshafts, valve springs, etc... of gen 3, 4 and even 5. But I can't find it anywhere.