318 driver - cam change or not?

1973dust said

Have any of you guys that have recommended a cam actually used that cam with small 4 barrel, dual-plane, manifolds, and granny gears or just going by specs. I'd really like to know what to expect from someone's real-world experience. I don't even know if I'll feel a difference around town when I swap 2 barrel for 4 barrel carb. and intake. I've already got a decent curve in the distributor, one of the first things I did. Right now, I'm only running 6 deg initial and about 30 deg total as the stock 2 barrel is pretty lean, especially after adding duals.

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Sorry, I didn't read all the way through your first post. Sounds like you have the combination and it makes sense to install the cam with the intake off for a swap. You can search here for "318 cam" in the search box. There will be dozens of long threads about the subject. There is no magic bullet cam for a 318 but lately Mike Jones name has come up. He has a good mild small block cam that many recommend. You might want to give him a call and tell him your combination.
As mentioned, I would look around for a 8 1/4 or 8 3/4 rear end with at least a 3.23 gear. I changed my 2.76 to a 3.23 and picked up some pep and didn't loose any gas mileage.