Another episode of "What will it run?!"

I have a 360 combo that started out kinda similar to yours. Search around, recent posts about it..
First thing to do that will make the combo faster is to open up the heads. Thats probably the second thing too....lol
Bigger carb WILL make it faster, but i dont like an 850 on a smallblock, like 950 way better.
Fan and waterpump together( swapping to electric) willl knock a full tenth off, done it lots of times and always the result. 40 years of racing smallblock chrysler, never seen a bigger carb not be faster
In fact, two years ago had a 71Duster with a trick Enginemasters entry 318 magnum motor in it.
Last time i ever had it out we took off all the belts, pushed it to the line fired it and made a pass.11 hundreds quicker than previous pass 45 minutes before on the same day. Btw..... this motor( 318) was a tenth quicker with a 950 on it over a 750. Same 950 its was dyno’ed with at enginemasters competition( google “LA Confidential Mopar “) for the build article.
Smallblocks like a lot of convertor, you could add 1000 more flash to yours, it would make the car quicker, zero doubt about it.
3.91 or 4.10 would be a good gear.

1 port heads
2. More gear
3. Lots more convertor
4. 950 carb
5. Cam upgrade