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camshaft choice? need some help here

Started by 68chargerboy, July 22, 2009, 04:03:35 PM

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68chargerboy

i am going to put a new cam in my 440 and was wanting some input as what cam would be the best choice for me.  i have a 2500 rpm stall convertor, 4.10 gears a 770 cfm holley carb ( also have a 850 if need be), i plan on buying a single plain intake for it and i do not need to worry about vacuum because i have manual brakes and nuthing running off of the vacuum lines.  thanks for the help


Zach

Hot_Rodder

Here's a question for ya, are u wanting roller of flat tappet? Hydraulic or mechanical? Also, what kind of idle do you want? What is your current engine combo? Factory, or modified (if mod, what all has been done on it)?

68chargerboy

Quote from: Hot_Rodder on July 22, 2009, 08:12:40 PM
Here's a question for ya, are u wanting roller of flat tappet? Hydraulic or mechanical? Also, what kind of idle do you want? What is your current engine combo? Factory, or modified (if mod, what all has been done on it)?

not much to the motor but .30 over upped comp a little to 10.8.  looking for a mechanical flat tappet just to keep the cost down and dont want hydralic so i have some stability in the lifters.  i would like a rough idle but whatever i get from the cam is fine, i am more geared towards the performance aspect

Purple440


68chargerboy

2500 at the highest for my power band to start

Hot_Rodder

Quote from: 68chargerboy on July 22, 2009, 08:55:28 PM
looking for a mechanical flat tappet just to keep the cost down and dont want hydralic so i have some stability in the lifters.
Sounds kind of strange, maybe I didn't read it right, dun know... The mechanical lifters will require you to get an adjustable valve train so you can set the lifter preload, back lash, ect. As for the hydraulic not being stable, don't see how that is, a lot of people are running them, just make sure you get a good anti pump up lifter and you should be fine. But since you say you want a mech flat tappet cam, and you're not worried about overall idle quality. I'll look around and see what I see, I'll post a couple of different options for you to compare to.

Hot_Rodder

These are summit part #'s and $'s you can probably find the same stuff a little cheaper if you look, these are just for references and can be a guide.
cam #1: http://www.summitracing.com/parts/CCA-CL21-232-4/
cam #2: http://www.summitracing.com/parts/CCA-CL21-231-4/
cam #3: http://www.summitracing.com/parts/CCA-K21-232-4/
I know there are plenty other cams out there, I'll keep an eye out for some more of them, but that's just 3 that I figured that might catch your eye, there were others, most of them were marine cams though, so....

These 2 are Crower cams:
part #         engine make     comments  cam type      LC    Adv Dur      Dur .050     lobe lift      gross lift
32000     CHRYSLER 440     1 BOLT     SOLID     110     280 / 280     242 / 242     307 / 307     460 / 460
32001    CHRYSLER 440    1 BOLT    SOLID    105    300 / 300    254 / 254    334 / 334    500 / 500
http://www.crower.com/sp/gs_cams.shtml

As I said, there more out there, these are just to give you an idea...