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637 views 4 replies 3 participants last post by  Grumpy_old_fart 
#1 ·
Will ls1 value spring work with a 5.3 with a cam life is 525/525 dun. 218/228
 
#4 · (Edited)
Yes, but will be no better than the truck units.
Just get a set LS6 springs for a good aftermarket springs like the comp 918s.

LS1 stock springs are good only allow up to approximately .514-.520" lift whereas "yellow" LS6 springs are rated higher at .540-.550". Or the 02/03+ LS6 "orange" springs they max out around 0.570-.580".

The later LS6 ones are like $50 bucks a set .
http://sdparts.com/details/gm-performance-parts/12499224
 
#5 ·
so.. you have a 5.3

it has valve lift up to .525

you stated you wanted to use ls1 valve springs.

surely you cant think that there is only one possibility for ls1 valve springs in the world...

Choices:

Comp 26918
Howards 98115
Crane 144944-16
SLP 53003
Edelbrock 5768


pick one.
 
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