Cam Question
#851151
11/11/10 03:17 PM
11/11/10 03:17 PM
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Joined: Mar 2008
Posts: 270 SE Kansas
indytex96
OP
enthusiast
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OP
enthusiast
Joined: Mar 2008
Posts: 270
SE Kansas
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I have a chance to pick up a 284 484 purple shaft for little or nothing and was wondering what your opinions were on this cam? I would be putting it in a 72 Rrunner, 440, stock with a performer rpm, 750 vac sec holley,headers, auto, 323 rear gear. Will it work and if not what would I need to change? I know there are better cams out there, but like I said this one is easily available. Thanks for any advice!
Last edited by indytex96; 11/11/10 03:49 PM.
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Re: Cam Question
[Re: indytex96]
#851152
11/11/10 04:54 PM
11/11/10 04:54 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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buy it/install it 4 deg adv w a multigroove timing set/break it in w new lifters per "breakin secrets" at www.mototuneusa.com. Assuming your 440 is a low comp one w the pistons ~.100 in the hole so no possibility of VP interference/call it good.That'll change your idle vacuum so to get it spot on retune your dist; initial/total/springs/vac adv in order then attack the carb
live every 24 hour block of time like it's your last day on earth
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Re: Cam Question
[Re: RapidRobert]
#851155
11/11/10 10:03 PM
11/11/10 10:03 PM
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Joined: Dec 2008
Posts: 1,200 UK
602heavy
pro stock
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pro stock
Joined: Dec 2008
Posts: 1,200
UK
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Quote:
Quote:
You will need a decent(3000 stall) converter and better than 3.23 gears to make use of that cam. Cheaper to buy a grind that matches your combo than to buy a converter and gears.
Very good advise
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Re: Cam Question
[Re: RapidRobert]
#851157
11/16/10 12:49 PM
11/16/10 12:49 PM
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Joined: Mar 2008
Posts: 5,746 Ontario, Canada
Dodgem
master
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master
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
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Quote:
buy it/install it 4 deg adv w a multigroove timing set/break it in w new lifters per "breakin secrets" at
Yea install it about 102 3000 stall and you will be real happy!
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Re: Cam Question
[Re: indytex96]
#851160
11/16/10 02:51 PM
11/16/10 02:51 PM
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Joined: May 2003
Posts: 6,570 Downtown Roebuck Ont
Twostick
Still wishing...
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Still wishing...
Joined: May 2003
Posts: 6,570
Downtown Roebuck Ont
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Will it be ideal with a stock converter? No. Can you get by with a stock converter? Depends on what you can live with. It will likely idle a little above stock at 8-900 rpm so when you pop it in gear it might be a tad harsh. It MIGHT be a little lazy getting away from a light but with it installed 4 deg adv and with a 3.23 I doubt it would be an issue around town, like it will roll out 10 feet and then blow the tires off it. If you can make those compromises, you will be grinning. On the highway it will be a none issue, just grab 2nd (up or down) and wave good bye.
A buddy of mine has a 74 Challenger with a basic 440, 727, 3.23's and that cam. With the so-called factory hi-stall (2200 rpm?) he runs 12.90's
Kevin
Last edited by Twostick; 11/16/10 02:58 PM.
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Re: Cam Question
[Re: Twostick]
#851164
11/16/10 03:34 PM
11/16/10 03:34 PM
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Joined: Jan 2003
Posts: 21,085 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,085
Niles , Ohio
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I ran the big Summit cam in my 440 for a few years.Had a nice lumpy idle pulled hard.I run a 4 speed so convertor wasnt an issue.Pulled it and put it in a 383 probally 20 years ago.Its still going strong.I also ran 4.88 gears when I had it in my 440.Rocky
Chrysler Firepower
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Re: Cam Question
[Re: indytex96]
#851167
11/16/10 03:55 PM
11/16/10 03:55 PM
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Joined: Jan 2003
Posts: 24,562 Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
Car will be mostly street driven and will run a looser conv. at a later date. Just wanting good sound without totally loosing my low end.
sound is over-rated. And you will loose all low end. That cam doesn't start working until 3200 or so.
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