Author Topic: What cam to use  (Read 1760 times)

Offline cam440

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What cam to use
« on: May 22, 2017 - 06:44:47 AM »
Hi everybody not sure if this has been asked before as it's my first time on this cool sight , building a 440 engine that's got around 9.5 comp , 906 heads with light porting  , dual plan intake , 850 carb etc nothing crazy but torn between a comp xe 284 flat tappet or a 238 /246 crane cam I have a 4 speed with 3.23 rear and 26.8 tyre , do I need more deeper gears , I have used a xe series before but I had a 3000 conv and 3.7 gears I loved it but it was noisey is that because of the design of the fast ramps , open to other cams as well . Cheers cam
« Last Edit: May 22, 2017 - 06:57:47 AM by cam440 »




Offline 734406pk

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Re: What cam to use
« Reply #1 on: May 22, 2017 - 09:43:23 AM »
Crane and Comp are modified Chevy grinds IMO. Check these Lunati Voodoo grinds:

http://www.lunatipower.com/Product.aspx?id=2337
or
http://www.lunatipower.com/Product.aspx?id=2338&gid=362

A 3 bolt style cam is highly recommended. Good Luck!
1973 Challenger 440 6 pack auto 3.91 rear
2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
1970 Challenger TA 340 4bbl auto-Sold and sad
1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
1995 Kawasaki ZX1100E & still alive

Offline cam440

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Re: What cam to use
« Reply #2 on: May 22, 2017 - 04:12:08 PM »
The second one looks ok but I don't have the gears and comp , anybody used a whiplash cam they sound awesome bit worried about power brakes not working
« Last Edit: May 22, 2017 - 04:14:30 PM by cam440 »

Offline cudabob496

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Re: What cam to use
« Reply #3 on: May 22, 2017 - 05:33:23 PM »
roller
72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

2011 Kawasaki Z1000

Offline cam440

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Re: What cam to use
« Reply #4 on: May 22, 2017 - 05:45:43 PM »
sounds like a weapon , just doing a kinda budget streeter build on another car im playing with more of a nice driver that's got good midrange power and sounds good ,
« Last Edit: May 22, 2017 - 06:41:01 PM by cam440 »

Offline 734406pk

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Re: What cam to use
« Reply #5 on: May 22, 2017 - 09:32:18 PM »
The second one looks ok but I don't have the gears and comp , anybody used a whiplash cam they sound awesome bit worried about power brakes not working


The 704 Voodoo compression, stall speed and axle ratio specs apply mainly to cars with automatic transmissions, not so much manual trans.  No stall speed , you decide on shift points etc. Valid concern with the Whiplash cam! 107 deg LSA makes for a lot of overlap and low manifold vacuum. It does sound nasty though! I would suggest a cam with 110 deg LSA, around 242 or less duration at .050" and no more than .510" lift with stock rocker arms. You should have decent drivabilty with this set up IMO. You can also contact Lunati Tech and get a recommendation.  :2thumbs:
 http://www.lunatipower.com/ContactLunati.aspx
1973 Challenger 440 6 pack auto 3.91 rear
2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
1970 Challenger TA 340 4bbl auto-Sold and sad
1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
1995 Kawasaki ZX1100E & still alive

Offline cudabob496

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Re: What cam to use
« Reply #6 on: May 22, 2017 - 10:20:03 PM »
242 duration seems high for his combo?
72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

2011 Kawasaki Z1000

Offline cam440

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Re: What cam to use
« Reply #7 on: May 22, 2017 - 10:20:18 PM »
thanks both of you  for your imput hey , ill fill that form out and ask the question id say they would recomed what you just did with those cams I got a custom grind sheet from crow cams they said go with 238/246 at 50 , with 109 lobe centre  and 4862 intake and 4905 exh with 1.5 stock rockers , should sound nice with the 109 lobe and under 500 lift is safe hey and make good midrange power , whats your thoughts on this custom grind , pretty close to what your both advising
 
« Last Edit: May 22, 2017 - 10:27:53 PM by cam440 »

Offline 734406pk

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Re: What cam to use
« Reply #8 on: May 22, 2017 - 10:36:53 PM »
thanks both of you  for your imput hey , ill fill that form out and ask the question id say they would recomed what you just did with those cams I got a custom grind sheet from crow cams they said go with 238/246 at 50 , with 109 lobe centre  and 4862 intake and 4905 exh with 1.5 stock rockers , should sound nice with the 109 lobe and under 500 lift is safe hey and make good midrange power , whats your thoughts on this custom grind , pretty close to what your both advising

That custom grind should work nicely. 109 LSA will give you the lope you want (I know, it sounds cool!!) without sacrificing too much manifold vacuum (IMO) and drivability. Talk to Lunati Tech before you make a choice, and take advantage of that large lifter bore in your Mopar!
1973 Challenger 440 6 pack auto 3.91 rear
2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
1970 Challenger TA 340 4bbl auto-Sold and sad
1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
1995 Kawasaki ZX1100E & still alive

Offline 734406pk

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Re: What cam to use
« Reply #9 on: May 22, 2017 - 10:41:30 PM »
242 duration seems high for his combo?

It is pushing a bit it IMO. I'm thinking with a four speed manual, you can get away with a little more cam then us automatic guys. Seems to have worked in the past. :2thumbs:
1973 Challenger 440 6 pack auto 3.91 rear
2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
1970 Challenger TA 340 4bbl auto-Sold and sad
1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
1995 Kawasaki ZX1100E & still alive

Offline cam440

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Re: What cam to use
« Reply #10 on: May 22, 2017 - 11:12:46 PM »
ok cool so it sounds good to you , ill see what lunati come up with first   with but like you said 4 speed you can get away with alittle more , will let you  know with the outcome thanks guys good to talk to people who actually know

Offline 734406pk

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Re: What cam to use
« Reply #11 on: May 24, 2017 - 08:57:12 AM »
 :2thumbs: Good Luck!
1973 Challenger 440 6 pack auto 3.91 rear
2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
1970 Challenger TA 340 4bbl auto-Sold and sad
1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
1995 Kawasaki ZX1100E & still alive

Offline cudabob496

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Re: What cam to use
« Reply #12 on: May 24, 2017 - 01:57:18 PM »
manual or power brakes?
72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

2011 Kawasaki Z1000

Offline cam440

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Re: What cam to use
« Reply #13 on: May 24, 2017 - 07:17:19 PM »
power brakes mate