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Re: budget 440 build with rpm heads, good cam choice? [Re: Dunnuck Racing] #1513713
10/08/13 01:09 PM
10/08/13 01:09 PM
Joined: Feb 2003
Posts: 12,675
Columbia, CT
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moper Offline
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Columbia, CT
I'd plan to change springs. Pretty much any modern cam of the sizes being tossed around (except the MP .528) will need more spring pressure than the factory RPM springs. There's a reason there are always sets of those for sale.
I'd 3rd or 4th the 275HL. It's not a lot of coin and will work well with what you have - except the valve springs. Keep the static ratio below 10:1 and the quench less than .035" and you'll be stylin'.


Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
Re: budget 440 build with rpm heads, good cam choice? [Re: Spaceman Spiff] #1513714
10/08/13 03:10 PM
10/08/13 03:10 PM
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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BradH Offline
Taking time off to work on my car
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Val-haul-ass... eventually
Did COMP manage to tame the ramps down on the XE###HL series, or are they the same noisy crash-the-valve-train-prematurely junk the original .842-type XE hydraulics are?

Re: budget 440 build with rpm heads, good cam choice? [Re: BradH] #1513715
10/09/13 11:28 PM
10/09/13 11:28 PM
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Posts: 3,696
jersey
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Spaceman Spiff Offline OP
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Spaceman Spiff  Offline OP
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jersey
Would it be worth contacting porter racing, compu-flow or modern cylinder head, and having them spec a cam? I won't mind paying more, if it means i will be getting the best for my application.
I'm going to have the block checked out, and go from there. Perhaps I can get the pistons and related items from them as well, so I know it's all a matched combination.


526 cubes of angry wedge, pushbutton shifted, 9 passenger killer!
Re: budget 440 build with rpm heads, good cam choice? [Re: Spaceman Spiff] #1513716
10/10/13 10:56 AM
10/10/13 10:56 AM
Joined: Nov 2003
Posts: 5,160
Texas
dannysbee Offline
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Posts: 5,160
Texas
I believe Dwayne Porter will have just what the Dr. ordered.


Getting old just means you were smarter than some and luckier than others.
Re: budget 440 build with rpm heads, good cam choice? [Re: Spaceman Spiff] #1513717
10/10/13 12:10 PM
10/10/13 12:10 PM
Joined: Jul 2004
Posts: 3,805
Arlington, Texas
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bobby66 Offline
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Arlington, Texas
Quote:

Would it be worth contacting porter racing, compu-flow or modern cylinder head, and having them spec a cam? I won't mind paying more, if it means i will be getting the best for my application.
I'm going to have the block checked out, and go from there. Perhaps I can get the pistons and related items from them as well, so I know it's all a matched combination.




Maybe call Jim at Racer Brown,too. He won't steer you wrong.

Re: budget 440 build with rpm heads, good cam choice? [Re: dannysbee] #1513718
10/10/13 02:18 PM
10/10/13 02:18 PM
Joined: Jan 2003
Posts: 27,421
Balt. Md
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383man Offline
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383man  Offline
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Posts: 27,421
Balt. Md
Quote:

I believe Dwayne Porter will have just what the Dr. ordered.




Yes he did the cam in my 493. Ron

Re: budget 440 build with rpm heads, good cam choice? [Re: Spaceman Spiff] #1513719
10/10/13 02:54 PM
10/10/13 02:54 PM
Joined: Jul 2004
Posts: 19,317
State of confusion
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Thumperdart Offline
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Quote:

Looking at no more than 10.2 with the available pistons. We have 93 octane here.
Thanks for the input everyone. Pleas keep it coming.




I personally see no reason for a custom cam at this level but that`s me............


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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