jwt s4 cams w/ bc dual valve spring?
has any one ever try using this set up on their gtir engine i was told jwt s4 cams are only meant for hydraulic rocker engine but can still be use for the gtir motor
if have use this set up together any pros and cons does it idles rough or smooth, does it make any good power etc.
if have use this set up together any pros and cons does it idles rough or smooth, does it make any good power etc.
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