Archived

This topic is now archived and is closed to further replies.

semo cummins rookie

wanting to swap gsk

2 posts in this topic

what gsk works better with stock valve springs and stock inj. the 3 or 4.... weres the best and cheapest place to buy them?????

Share this post


Link to post
Share on other sites

You have to get 60 lb springs to run over 3200RPM. I would just get the 3GSK if anything, then you don't need the updated valve springs. 4k RPM's is a little unnecessary if you ask me.Not sure about the cheapest place.

1 person likes this

Share this post


Link to post
Share on other sites