Tunnel ram or no tunnel ram...

Just to share some small change I did to the carbs. I moved IFR from top position to the bottom just to see what difference it really makes. I kept large IABs as carbs builder put in there. and large MABs. All curve is as he made it. Just IFR reposition was done. I started with suggested earlier 0.028" and it was waaaaay lean (not surprising with large IAB where much smaller one was suggested), I made my test IFRs by drilling them out large and filling them with solder, this way I could drill them out in small increments very easily and fast without risk of braking my drill bits just using my hand drill. I ended up using 0.033” size which puts me in very crisp and lean low rpm cruise at 14.5-15 afr. What changed the most is idle stability. I literally now have 150 rpm drop between park and in gear which was impossible before. Now car idles at 1100 in park and 950 in gear which I like a lot. With idle mixtures screws 1,5 turn out I get very stable and clean 14-14.5 afr idle. I think I will leave it where it is. Car is absolutely nasty, very fast on the street. Next big change is amazing throttle response. I can hit the throttle at any moment as hard as I want and there is ZERO hesitation or bog, it just revs out great. I had other people stuff to work on this summer because I cant say no, so now when driving season goes to an end, I'm catching up on my own stuff. Going to tunnel ram made me learn a lot. Very rewarding experience, if you are willing to put some work into it and ask yourself a question I asked in the title of this thread, I say do it! Go tunnel ram, there is no turnng back and what you learn along the way is yours to keep.