DSM8 399 Posted November 29 Wanted to see if anyone here has experience tunning the old school 4bl holly carbs? been more than 30 years since I last did this going to figure it out since easy enough but wanted to see what talent might be around here Share this post Link to post Share on other sites
cj54x 57 Posted November 29 It's super easy. Clear instructions come with the kit for $25. I had to buy a spring kit for the secondaries because It is on a really small motor. Share this post Link to post Share on other sites
tubebender 43 Posted November 29 I have some manuals you can borrow. Share this post Link to post Share on other sites
DSM8 399 Posted December 1 So it turns out there is a factory defect with this model carb the first gen has a really bad stumble off idle for a while Holly was replacing these with the next gen so have to call on Monday and see if thats an option that is what I have been chasing this whole time. Share this post Link to post Share on other sites
