The dreaded "pick a cam for me" thread. **Update**
#1336273
11/16/12 09:13 PM
11/16/12 09:13 PM
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VITC_GTX
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1971 Satellite 383 block, .030" over, stock stroke Forged pistons .021" in the hole Stock 906 heads, new springs with dampners (Pioneer rv891x) 8.80:1 measured compression 727 2.76.1 or 3.23:1 rear end DP4B dual plane intake 650 Eddy carb HP exhaust manifolds power brakes air conditioning
This will be a 100% street car and will never see anything over 4000 rpm. I need vacuum for brakes and vacuum controlled dash/heater box. I want to run a/c and have it get decent mpg (I'm guessing 16-17???).
What cam to use?
Last edited by VITC_GTX; 12/09/12 01:15 AM.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: VITC_GTX]
#1336274
11/16/12 10:43 PM
11/16/12 10:43 PM
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Joined: Oct 2012
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VincentVega
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Probably about the easiest cam question there is. You could go with a stock cam, no problem.
Check out crane grind # H-260-2 that's actually a little weaker than stock, and will have a tremendous bottom end. 112 LSA so it'll have a good idle and lots of vacuum.
Personally I'd go with a modern/stock equivalent grind, so you could at least wind up and be satisfied if you wanted to.
Seriously, any stock replacement came or the so-called RV cams will work great for what you want.
Looking for 1975 through 1978 B body 4 door sedan sheet metal or parts cars - monaco, fury, coronet. Please let me know
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: 6PACMAC]
#1336276
11/16/12 10:53 PM
11/16/12 10:53 PM
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Anonymous
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Anonymous
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6401 Summit Cam is an amazing grind perfect for your application--383's need lots less cam than others that unit will idle well still sound Good, Melt tires off idle and pull like a train to about 5000 what more do ya want? And it is CHEAP!!!!!!!!!! I have used that cam in over 30 big mopars--it rocks for street applications with low to med compression like yours--trust me -it is an amazing camshaft 224 234 460?/ 488 exh lift I would install it around 102-103 with gears you plan it is PERFECT!
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: VITC_GTX]
#1336277
11/17/12 01:01 AM
11/17/12 01:01 AM
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Quote:
1971 Satellite 383 block, .030" over, stock stroke Forged pistons .021" in the hole Stock 906 heads, new springs with dampners (Pioneer rv891x) 8.80:1 measured compression 727 2.76.1 or 3.23:1 rear end DP4B dual plane intake 650 Eddy carb HP exhaust manifolds power brakes air conditioning
This will be a 100% street car and will never see anything over 4000 rpm. I need vacuum for brakes and vacuum controlled dash/heater box. I want to run a/c and have it get decent mpg (I'm guessing 16-17???).
What cam to use?
nothing above 4000?in a mopar?are you serious?hell they make hondas for that.im not knocking you but come on.if i had a 71 hemi cuda convertible id air it out now and again.i just cant help myself.dont have a cam choice for you,it just struck me odd on your post.happy hunting on your cam.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: Mr.Yuck]
#1336281
11/17/12 11:33 AM
11/17/12 11:33 AM
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Anonymous
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I have used it with smogger shortblocks all the way to true 10:1 Yea more compression runs better but his application will work great with that cam advanced a little like I mentioned---It will run fine with less CR than they advertise--they gotta put something in that blank--the 6401 will sound great yet is not too big to kill it --it runs like a much smaller cam IMO I usually install it at about 105 in a higher compression and around 102 in lower with fantasic results--best street cam ever for CHEAP
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: BSB67]
#1336283
11/17/12 12:40 PM
11/17/12 12:40 PM
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Anonymous
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My pick is $62 Others are near $150 duh.....
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: 6PakBee]
#1336284
11/17/12 12:46 PM
11/17/12 12:46 PM
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Joined: Mar 2010
Posts: 1,880 Out in Left Field, NY
bobs66440
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Quote:
Quote:
6401 Summit Cam is an amazing grind perfect for your application--383's need lots less cam than others that unit will idle well still sound Good, Melt tires off idle and pull like a train to about 5000 what more do ya want? And it is CHEAP!!!!!!!!!! I have used that cam in over 30 big mopars--it rocks for street applications with low to med compression like yours--trust me -it is an amazing camshaft 224 234 460?/ 488 exh lift I would install it around 102-103 with gears you plan it is PERFECT!
I looked at that cam and they are recommending a minimum CR of 9.5:1. What ratios have you used this with, specifically what do you mean by "low to med compression"?
I am using the 6401 in my 440, and I agree. It is an awesome cam in my relatively stock build, but I have 9.35:1 static compression. I went around and around with this also because it was less than 9.5:1. They determined that a point and a half wasn't enough to worry about. 8.8:1 may be though. I would try to bump up the compression or pick a stock cam as mentioned. It will definitely run good with the 6401, but you may be leaving some HP/TQ on the table compared to others.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: dangina]
#1336286
11/18/12 02:44 PM
11/18/12 02:44 PM
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Quote:
have you looked at the hughes whiplash cam series?
he wont need one of these,it will never see 4 grand.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: VITC_GTX]
#1336288
11/18/12 10:50 PM
11/18/12 10:50 PM
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Joined: Jul 2008
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Mebsuta
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Not that I know anything, but Summit 6401 seems like a big cam for low compression 383 with 2.73. No mention of transmission.
68 Roadrunner. 383 4-spd. Beat up.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: RapidRobert]
#1336290
11/19/12 09:18 AM
11/19/12 09:18 AM
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Joined: Jan 2003
Posts: 16,123 Grand Haven, MI
patrick
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http://www.summitracing.com/parts/LUN-60300LK/http://www.summitracing.com/parts/LUN-60301I'd go with the voodoo 60300 or 60301..... apples and fruit loops, but I had a similar duration hydraulic roller in a 9:1 magnum headed 318, pulled real good from idle to about 5500 RPM, plenty of vacuum for brakes and A/C
1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!*** 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: VITC_GTX]
#1336293
12/09/12 02:49 AM
12/09/12 02:49 AM
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Mebsuta
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Did you get a cam card with it? If they gave you seat-to-seat events for it, like intake opening, closing, etc., am curious to know what they are.
That cam looks similar to factory RR cam, except on 112 LSA instead of 115.
68 Roadrunner. 383 4-spd. Beat up.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: VITC_GTX]
#1336294
12/09/12 05:12 AM
12/09/12 05:12 AM
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JohnRR
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Quote:
I ended up buying the smaller Summit cam (6400, not the 6401). Here are the specs, anyone see a problem in using this cam?
You have , use it .
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: JohnRR]
#1336295
12/09/12 10:38 PM
12/09/12 10:38 PM
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Joined: Feb 2003
Posts: 12,675 Columbia, CT
moper
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You'll do fine with that cam.
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.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: Mebsuta]
#1336296
12/10/12 03:40 AM
12/10/12 03:40 AM
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VITC_GTX
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Quote:
Did you get a cam card with it? If they gave you seat-to-seat events for it, like intake opening, closing, etc., am curious to know what they are.
That cam looks similar to factory RR cam, except on 112 LSA instead of 115.
Here is a link to the cam card.
http://static.summitracing.com/global/images/instructions/sum-6400%20cam%20card.pdf
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: VITC_GTX]
#1336297
12/10/12 10:07 AM
12/10/12 10:07 AM
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Anonymous
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It will run great and still melt tires--it will just sound like a stock 318 ---It will have enough vacuum to pull the booster off the firewall
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: VITC_GTX]
#1336298
12/10/12 10:14 AM
12/10/12 10:14 AM
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Joined: Jan 2003
Posts: 16,123 Grand Haven, MI
patrick
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it'll work, might be leaving a little on the table as far as power and/or drivability due to the relatively lazy ramps and longish duration...
1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!*** 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: patrick]
#1336299
12/10/12 01:19 PM
12/10/12 01:19 PM
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Streetwize
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Crower 271HDP. 222/234@.050 .496/486 lift in 112's in at 107. run the 3.23's and you'll be fine with just a standard 383 converter. If you had more compression or 915 closed chamber heads get it cut on 108 centers.
Crabman (David K's) cam also is a great cam for the $$$, it's the old General Kinetics grind that PAW also sells as their House grind, it's very close to the Crower in duration but has a little less lift. The Crower 271 is one of those Natural cams that just does everything great.
383's love to rev but the trick is to not kill the bottom end, it has to be cammed more like you would a smallblock.
This is an AWESOME cam, maybe the best all-around BBM hydraulic cam ever made. It's also a great stock replacement cam for a 440 six pack or magnum.
Last edited by Streetwize; 12/10/12 01:23 PM.
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: Streetwize]
#1336300
12/10/12 02:08 PM
12/10/12 02:08 PM
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JohnRR
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Quote:
Crower 271HDP. 222/234@.050 .496/486 lift in 112's in at 107. run the 3.23's and you'll be fine with just a standard 383 converter. If you had more compression or 915 closed chamber heads get it cut on 108 centers.
Crabman (David K's) cam also is a great cam for the $$$, it's the old General Kinetics grind that PAW also sells as their House grind, it's very close to the Crower in duration but has a little less lift. The Crower 271 is one of those Natural cams that just does everything great.
383's love to rev but the trick is to not kill the bottom end, it has to be cammed more like you would a smallblock.
This is an AWESOME cam, maybe the best all-around BBM hydraulic cam ever made. It's also a great stock replacement cam for a 440 six pack or magnum.
Bobby , which cam the Crower you list above or the little summit cam ?
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: Skeptic]
#1336303
12/10/12 05:45 PM
12/10/12 05:45 PM
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Anonymous
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$58!!! On sale now--my pick wins!!
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Re: The dreaded "pick a cam for me" thread. well, which one
[Re: ]
#1336305
12/11/12 12:28 AM
12/11/12 12:28 AM
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VITC_GTX
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$58!!! On sale now--my pick wins!!
Ding, ding, ding, we have a winner!!!
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Re: The dreaded "pick a cam for me" thread. **Update**
[Re: JeffL]
#1336307
12/29/12 08:39 PM
12/29/12 08:39 PM
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VITC_GTX
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Which brand pistons did you use?
I used an older, new, set of TRW 2257P that I bought from another member.
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Re: The dreaded "pick a cam for me" thread. **Update**
[Re: VITC_GTX]
#1336308
04/13/13 01:06 AM
04/13/13 01:06 AM
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Mebsuta
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How did this turn out? Have you run that cam? I'm curious.
68 Roadrunner. 383 4-spd. Beat up.
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