How does this cam and setup sound?
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Senior User
Joined: May 2003
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From: Enid, Ok
How does this cam and setup sound?
this will be going in my project 460 67 F100 longbed 2wd along with a 2,100 stall converter, this all goes through a C-6 and 3.50 gears(will eventually go to 4.11's) in a 9" rearend to 32x12.50x15 performance street tires
Comp Cams Competition Magnum Cam K-Kit. Includes cam, lifters, valve springs, steel retainers, valve locks, valve stem seals, high energy timing chain set, and assembly lube.
The cam specs. are:
Advertised duration: 280 intake/ 280 exhaust
Duration at .050 in.: 230 intake/ 230 exhaust
Gross valve lift: .530 in. intake/ .530 exhaust
Lobe seperation:110 degrees
RPM range: 2,000-6,000
So far the other mods to the engine are a Weiand Stealth intake manafold a Holley 750 cfm 4 bbl vac. secondary carb, headers and a dual 2.5" exhaust. The engine is a 77 D3VE which at the same time as the cam will be getting some porting and polishing done to the heads and some minor valve work done.
So how's my planed setup sound? any oppinions or advice are greatly apreciated.
Comp Cams Competition Magnum Cam K-Kit. Includes cam, lifters, valve springs, steel retainers, valve locks, valve stem seals, high energy timing chain set, and assembly lube.
The cam specs. are:
Advertised duration: 280 intake/ 280 exhaust
Duration at .050 in.: 230 intake/ 230 exhaust
Gross valve lift: .530 in. intake/ .530 exhaust
Lobe seperation:110 degrees
RPM range: 2,000-6,000
So far the other mods to the engine are a Weiand Stealth intake manafold a Holley 750 cfm 4 bbl vac. secondary carb, headers and a dual 2.5" exhaust. The engine is a 77 D3VE which at the same time as the cam will be getting some porting and polishing done to the heads and some minor valve work done.
So how's my planed setup sound? any oppinions or advice are greatly apreciated.
Last edited by moore89; Feb 21, 2004 at 11:10 AM.
Thread Starter
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Senior User
Joined: May 2003
Posts: 218
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From: Enid, Ok
actually I'm getting the know the right guy hookup. I'm geting the port and polish + install of all the parts for around $200. he's also going to mill the heads a little to give me a about a 10 to 10.5 compression ratio.
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Joined: Dec 2001
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From: Louisville,Ky.
Sounds close to mine, but I use the CompCams 268H. They told me that it would work best in my heavy truck. I use an Edelbrock Performer intake and 750 carb. I haven't done any porting on my heads.
Jimmy
Jimmy
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Joined: Jan 2000
Posts: 966
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From: Crooked River Ranch, OR
A couple of things...
Most Ford engines benefit from a split duration cam since they are weak on the exhaust side. You'll usually see more HP with about 10 degrees more duration on the exhaust than the intake. I'd call Comp Cams and see what they recommend for your setup.
Second, I'd say that is too much cam for your truck unless you: 1. increase the stall speed to 2,800-3,000 stall or: 2. change your rear gearing to 4:11's or lower at the same time you install the cam. In my opinion even 4:11's will not be low enough...I'd run 4:56's with those 32" tall tires and current cam selection.
Deen
P.S. If your not upgrading your pistons and at least changing your rod-bolts to ARP's, and then resizing them, your are at risk spinning above 5,500 RPM anyway.
Most Ford engines benefit from a split duration cam since they are weak on the exhaust side. You'll usually see more HP with about 10 degrees more duration on the exhaust than the intake. I'd call Comp Cams and see what they recommend for your setup.
Second, I'd say that is too much cam for your truck unless you: 1. increase the stall speed to 2,800-3,000 stall or: 2. change your rear gearing to 4:11's or lower at the same time you install the cam. In my opinion even 4:11's will not be low enough...I'd run 4:56's with those 32" tall tires and current cam selection.
Deen
P.S. If your not upgrading your pistons and at least changing your rod-bolts to ARP's, and then resizing them, your are at risk spinning above 5,500 RPM anyway.
