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01-15-2009, 06:53 PM
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CC Member
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Join Date: Jun 2005
Location: Fairfield,
ca
Cobra Make, Engine: CRII with a Stroked Windsor
Posts: 976
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Not Ranked
Different Cam
My Cobra for the most part runs pretty good but I think the cam is a bit on the mellow side and would like to change it out. I need something that works well with the webers. Any suggestions from people that know more than I?
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01-15-2009, 09:44 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Are you running solid or hydraulic, Flat tappet or Roller?
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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01-15-2009, 10:19 PM
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CC Member
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Join Date: Jun 2005
Location: Fairfield,
ca
Cobra Make, Engine: CRII with a Stroked Windsor
Posts: 976
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Not Ranked
The current engine is a 69 351W with Hydraulic Flat lifters, stock cam, Y303 heads and webers. I want to give it more power and a bit more personality at Idle..
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01-16-2009, 03:27 AM
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CC Member
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Join Date: May 2008
Location: San Jose CA,
CA
Cobra Make, Engine: SPF_R_/BRG/FRBoss302/327CI/FordEFI/Under_Car_Exh/
Posts: 2,523
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Not Ranked
What is your current cam spec >? how much lift can your springs and valves support >?
what rocker ratio are you using currently >?
__________________
Steve SPF 2734 MK3 / Brock Coupe #54- panavia.com
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01-16-2009, 07:16 AM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
call Keith Craft and tell them what you want to do with your motor/car, race, street, little of both etc.
Give them the specs of your motor, weight of car, trannie, rear gear ratio, tire size etc.
See what they recommend.
I did this last summer and they had Comp to grind the cam and ship it to me in 6 days. Good price, great service.
Keith knows Cobra and motor.
Dwight
__________________
''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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01-16-2009, 10:53 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
OFM: Be aware that you can have what would be termed a "fairly radical" cam with a rough ide etc and when you put the Webers on it will smooth out the idle considerably. At the same time, adding Webers will increase the torque by about 15% over a 4BBL with the same cam.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
Last edited by Rick Parker; 01-16-2009 at 11:02 AM..
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01-16-2009, 11:02 AM
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CC Member
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Join Date: Jun 2005
Location: Fairfield,
ca
Cobra Make, Engine: CRII with a Stroked Windsor
Posts: 976
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Not Ranked
I currently have the stock cam that came in the 69 motor.. I know.. lame.. I was making choices to keep the budget down with intent on circling back later.. :>)
It has 1.6:1 rockers and the M-6090-X302 springs and valves.. I need to find the specs for those....
Part of me thinks I should just build a second motor from the ground up... but this 69 motor is pretty tough...
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01-16-2009, 11:09 AM
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CC Member
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Join Date: Oct 2006
Location: Pewaukee,
WI
Cobra Make, Engine: Midstates chassis, IRS, 408W, Alu heads, Webers.
Posts: 14
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Not Ranked
Keith fixed me up with a great cam for my 408W. Hyd roller, I dont have the spec's avaliable but I recall a .605 intake and .608 exht. I am running webers, nice lumpy idle around 900-1000 RPM. Most likely have some tuning to do as I am not yet road worthy.. Give him a call, he will fix you up. Personally I wouldnt do business with anyone else.
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Tony Loz
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01-16-2009, 11:29 AM
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CC Member
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Join Date: Oct 2008
Location: Avon,
NY
Cobra Make, Engine: 1969 Mustang Fastback Pro-Street, constantly changing ongoing project!
Posts: 746
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Not Ranked
Keith Craft & Barry R are two great builders that are on these boards that can help you. Another builder is Pops Performance. I use Pops for all my builds because we have a long standing business relationship. They build motors for Stephen Becker at Planet Cobra. (The Atlanta Shelby Dealer). Some of their builds are currently being displayed this week at Barrett Jackson in the Cobras. I'm sure Pops can also help you if you give him a call.
http://www.popsperformancecenter.com/
__________________
Mick
(Of The Troops & For The Troops)
Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body; but rather a skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, WHAT A RIDE!"
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01-16-2009, 01:05 PM
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Senior Club Cobra Member
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Join Date: May 2006
Location: Manteca,
Ca.
Cobra Make, Engine: None, sold it
Posts: 2,439
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Not Ranked
Michael,
You can also check with Craig Hill @ Top of The Hill Performance Center in Livermore. He builds motors and dyno's them right there in his shop.
www.topofthehillpc.com
Terry |
01-16-2009, 01:12 PM
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CC Member
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Join Date: Oct 2008
Location: Avon,
NY
Cobra Make, Engine: 1969 Mustang Fastback Pro-Street, constantly changing ongoing project!
Posts: 746
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Not Ranked
Terry, I love that Blown red SS on the "Top of the Hill" Website, & I'm a Ford guy!
Well, actually I like all cool rides.
__________________
Mick
(Of The Troops & For The Troops)
Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body; but rather a skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, WHAT A RIDE!"
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01-16-2009, 04:22 PM
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CC Member
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Join Date: Jun 2005
Location: Fairfield,
ca
Cobra Make, Engine: CRII with a Stroked Windsor
Posts: 976
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Not Ranked
thanks for all of the ideas.. I have sent emails to all of them to see what they have to say.
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01-16-2009, 08:11 PM
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Senior Club Cobra Member
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Join Date: May 2006
Location: Manteca,
Ca.
Cobra Make, Engine: None, sold it
Posts: 2,439
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Not Ranked
Mick,
Craig builds some nice engines (and cars). I have known Craig for a while. He takes care of a friend of mine's Superformance and his 65 GT350R (clone). Both are raced and he built the engines and works on both (they belong to the guy that I got my CR from). I have seen some very nice cars in his shop.
Terry
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01-16-2009, 08:44 PM
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CC Member
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Join Date: Oct 2008
Location: Avon,
NY
Cobra Make, Engine: 1969 Mustang Fastback Pro-Street, constantly changing ongoing project!
Posts: 746
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Not Ranked
Terry, Looks like he's built some great stuff! Thanks for posting the link to his site.
__________________
Mick
(Of The Troops & For The Troops)
Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body; but rather a skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, WHAT A RIDE!"
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01-17-2009, 09:40 AM
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CC Member
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Join Date: Jun 2005
Location: Fairfield,
ca
Cobra Make, Engine: CRII with a Stroked Windsor
Posts: 976
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Not Ranked
So I hear back from Keith Craft on this.. they recommended I convert to a roller cam. Also there was a suggested cam but the dollar amounts in the email don't add up. I thought it would have cost a lot more especially since it is a conversion.
cam 299 <-- 230/236 at .050 on a 112 lobe
lifters 119 <--- shouldn't this be like 400+
pushrods 89
What am I missing here?????
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01-17-2009, 05:12 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Ask them for cam brand and part numbers, seems way too cheap for roller lifters, if the pricing is for roller lifters get there as fast as you can. 
__________________
Gary
Gold Certified Holden Technician
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01-19-2009, 11:56 PM
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CC Member
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Join Date: Mar 2003
Location: Arkadelphia, AR,
AR
Cobra Make, Engine: Kirkham 427 brushed aluminum with Keith Craft 527C.I. all aluminum FE
Posts: 992
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Not Ranked
Cam Swap
I forgot to tell you that you would need the Comp Cams valley trey and lifter guides. They sell it in a Comp Cams retro-fit kit for 50.00. If you are doing the lifters without the retro fit kit which uses tie bars and Comp sells these for about 450.00. Just let me know if we can help. Thanks, Keith
__________________
Keith C
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01-20-2009, 08:24 AM
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CC Member
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Join Date: Jun 2005
Location: Fairfield,
ca
Cobra Make, Engine: CRII with a Stroked Windsor
Posts: 976
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Not Ranked
Quote:
Originally Posted by Keithc8
I forgot to tell you that you would need the Comp Cams valley trey and lifter guides. They sell it in a Comp Cams retro-fit kit for 50.00. If you are doing the lifters without the retro fit kit which uses tie bars and Comp sells these for about 450.00. Just let me know if we can help. Thanks, Keith
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Thanks Keith. That makes more sense to me now. I have my fuel pump issue resolved so I hope to making that order with you later this week or early next.
Thanks again. |
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