Bone stock '70 N code 383 'Cuda. How will the Purple cam affect driveability with the 727? Since manifold is coming off, could go back with aftermarket intake as long as it allows the stock air cleaner. Just want a little "lope". Not looking to build a Mustang beater. I think I had the purple cam in a '69 Roadrunner, but it was a 4 speed.

Mopar "Purple Shaft" cams (at least 13 of them) go from mild to wild. The mild ones are very tame (like the Hemi grind) if that's the one you're asking about. There is also an Edelbrock aluminum intake copy of a 383 intake with a Chrysler part number that would be a nice intake choice for a guy like you.

And Mopar made a couple of versions of stock 383 intakes made from aluminum.

Not worth the effort unless you know the specs of the cam, and what it will do for your engine. Even if it's marginally ok for the application I still would not do it. Better to sell that cam, and use the $$$ to buy the one that you really need.

It depends on which Purple shaft grind it is, the early street hemi grind wedge cams suck big time
If your car has power brakes look at some of the milder Comp Cam grinds

I can tell you that the original 284/484 cam coupled with stock converter & 3.23s will be lazy under about 3000 RPM - but from 3500-6000 it's strong.
The one 1 step tamer is snappier on the street, less rumpity but a bit more aggressive than stock.
That cam science is ancient, though, and there are better choices.

the old racer brown ssh25 cam advanced 4 degrees, works very well with the edelbrock DP4B intake and a 25-2800 stall converter, with a recurved distributor allowing 16-20 degrees initial and 34-36 total advance, and has a nice lope at idle.
just my personal life experience with this combo in a 383 with 9.8cr and 906 heads.
your mileage will vary.

Careful...
Mopar had (2) 284/484 cams, (1) P04120235 and (1) P5007697,
The difference was the centerline spec the 0235 cam was 108 and the 7697 was 114.
Note that the 7697 cam was much better for street driveability and higher vacuum.
The 0235 cam had a badass lope but better suited for higher rpm and a 4-speed car than an automatic.

Just my $0.02...

Hemi grind sounds familiar. Cam was in the RR when I purchased it in '87, so all I had for reference what seller's details. Seemed I remember it having a little more lope than the cam in my previous or current stock 383HP.

Yup, Sinitro, I'm aware of that - that's why I said "original" - but the info you posted is more informative.
The one I'm referring to is the 108 CL.

Had one in my 64 300's 413. It ran fine, but it was a stick car with 4.10's. Many a mustain and 454SS rued challenging it, lol. The N50's should have been a clue.

The 108 CL will sound great sitting and idling (if you can get it to idle while in gear with the auto trans). The performance will suck with a 727 on the street. The power band is too high in the RPM range for street use, and the auto trans will amplify that.

But maybe you are looking for someone to agree with you. If that is the case, sure install it, when it hits the rpm power range, it will pull like a rocket (if the rest of your stuff is up to par). Could be really fun in low gear at about 30 mph, won't be very impressive below that though.

.484 purple shaft not sure if early or late nice loup. 383 stock piston/cast iron intake T/Q carb 4330 lb b-body 13.35 98 mph. 1/78 headers,4:56 s-60 , 8-9 in converter built for car (L/SA 400 cheater cam)

Still reading and learning the philosophies behind cam design myself, but I would not be afraid of a cam with a smaller LCA # if the rest of the cam variables were appropriate for the engine it was going in. This stuff is pretty complicated so if it were me I'd either copy the cam from an engine setup that is similiar to what you have that you know runs very well, or connect with someone with lots of cam selection experience that can guide you to the one you really need.

https://garage.grumpysperformance.com/index.php?threads/the-ideal-cam-lca.2782/

Best I could do with '69 RR was 14.44 - 4speed, headers, 3:91 Sure Grip. Limited by G70 radials in 1988. It was good enought to get 2nd place at Musclecar Review Magazine Nationals at Ennis Tx in 1988, though. Junior Stock-Medium Block class. It was middle of summer so probably 3000 D.A. Got bested by an old guy in a 383 Dart with drag radials.