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CC Advertisers
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02-12-2010, 07:45 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by ERA Chas
You're unique-I don't think too many guys on here or FEF have haberdashers...
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Nor, with only three cuts, could most guys here dissect an equilateral triangle into a square.  |
02-12-2010, 08:10 AM
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CC Member
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Join Date: Mar 2000
Location: Des Moines,
IA
Cobra Make, Engine: Sold my beloved Shelby CSX 4068, Gessford 427 Ford
Posts: 756
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Not Ranked
I can't believe you guys let him get by with the 40hp quote. Same cam, same specs, just a roller lifter vs a flat tappet give you 40 more hp. My BS buzzer just went off.....
__________________
CSX4068, '69 Bronco, '70 BOSS 302, '87 Mustang GT, '08 Roush Trak Pak
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02-12-2010, 08:16 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by DougD
I can't believe you guys let him get by with the 40hp quote. Same cam, same specs, just a roller lifter vs a flat tappet give you 40 more hp. My BS buzzer just went off.....
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I didn't want to distract the thread from my main point detailing Brent's irrational fear of installing a solid flat tappet cam for any reason, under any circumstances, and at any price. Likewise, I don't want to distract ERAChas with euclidean geometry.  |
02-12-2010, 08:48 AM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Quote:
Originally Posted by DougD
I can't believe you guys let him get by with the 40hp quote. Same cam, same specs, just a roller lifter vs a flat tappet give you 40 more hp. My BS buzzer just went off.....
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I regularly saw 18 to 25 HP improvement with same spec cams on DTS dynos. SBF, SBC and BBC up to 600HP builds. Juice rollers, were SOP from 600-650HP builds and soild rollers the only choice from there to 1100HP.
Quote:
Originally Posted by patrickt
Likewise, I don't want to distract ERAChas with euclidean geometry. |
Actually, you're more entertaining than the rodeo clowns
that normally distract me... 
__________________
Chas.
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02-12-2010, 08:53 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by ERA Chas
Actually, you're more entertaining than the rodeo clowns that normally distract me... |
Then you should love this:
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02-14-2010, 06:57 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Quote:
Originally Posted by DougD
I can't believe you guys let him get by with the 40hp quote. Same cam, same specs, just a roller lifter vs a flat tappet give you 40 more hp. My BS buzzer just went off.....
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Doug, search some other forums if you want to get a second opinion. You can probably search this one as well, I think I've heard Keith Craft say the same thing.
The key here is that you can't really have the EXACT specs between a flat tappet and a roller camshaft. The .050/seat durations and the lifts may be simliar, but the weight of the lifters, the ramps needed at open/close, etc., cause the lobes to be designed differently. The amount of horsepower that you can get from a swap can be significant. |
02-18-2010, 12:01 PM
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CC Member
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Join Date: Mar 2000
Location: Des Moines,
IA
Cobra Make, Engine: Sold my beloved Shelby CSX 4068, Gessford 427 Ford
Posts: 756
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Not Ranked
Brent
I'm no expert. Wouldn't even think of building my own FE. I'm just bustin' your balls. I look forward to your posts, and consider you an expert.
And I know you can't get two cams exactly alike, one for a flat tappet, and one for a roller. Which is why my BS buzzer went off. Ya can't make that claim, 'cause it's not possible. But there will be those who try to convince me......
__________________
CSX4068, '69 Bronco, '70 BOSS 302, '87 Mustang GT, '08 Roush Trak Pak
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02-18-2010, 12:10 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by DougD
Brent
I'm no expert. Wouldn't even think of building my own FE. I'm just bustin' your balls....
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Brent's a good fella, he's just skittish on solid flat tappets. You know, I had a dog once that was afraid of balloons. I have no idea why, it's not like a balloon ever hurt him (or even could), but if you blew up a balloon and tossed it up in the air, man, that dog was gone. Scared to death he was. It never made any sense to me, so I quit thinking about it. Yep -- I never was able to change that dog, and I doubt I'll ever be able to change Brent either. But that's ok, he was a good dog.
Last edited by patrickt; 02-18-2010 at 12:20 PM..
Reason: typos
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02-18-2010, 12:23 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Patrick,
Even dogs have common sense. Maybe he popped one once with his teeth? 
I will let you in on a little secret. I'm building a 357 Cleveland for my Mustang toy...guess what kind of cam it's getting? It is a budget rebuild though, until next winter rolls around and it gets a set of CHI heads and a long arm.
It will get weak valve springs, 1.2:1 rockers, Joe Gibbs oil, and plenty of cam lube for break-in on the dyno. I'll still have my fingers crossed, but if she goes, she goes....and it's not a customer motor, so I don't have to worry about it. |
02-18-2010, 12:26 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by blykins
I will let you in on a little secret. I'm building a 357 Cleveland for my Mustang toy...guess what kind of cam it's getting?
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Well I'm guessing it's a SFT. And I'm proud of you, too.  |
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