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07-27-2010, 12:52 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
Yeah, because there are so many customers knocking down my door while shaking their fists and demanding a flat tappet cam....ROFL
Most customers know better....  |
07-27-2010, 01:12 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
Quote:
Originally Posted by patrickt
Very nice. As RodKnock will attest, small children and adults alike cry when you open the hood of a 427 car and it has a small block in it.  |
I was referring to this comment, which you attributed to me, but was yours.
If I'm building another engine, Brent will be at the top of my list of people who I speak to about my new engine.
However, no where in that conversation will I ask or demand Brent for a solid flat tappet cam, for the same reason that there are no rotary telephones anymore nor are there many dial-up Internet connections left in the world. either. Technology has moved on.
So, Patrick, get out your new 3G-enabled iPad and do a little research on the benefits of roller cam technology.  |
07-27-2010, 01:54 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: 22,011
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Not Ranked
Quote:
Originally Posted by RodKnock
I was referring to this comment, which you attributed to me, but was yours.
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Oh, dang. It's not like me to misunderstand something like that. But I agree with you on Brent. I think he's an excellent engine builder, and a sweetheart of a guy to boot. I would have no problem in having him build an engine for me either. And that would be.... solid flat tappet, please. |
07-27-2010, 02:24 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
You worry me when you keep calling me a sweetheart.
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07-27-2010, 06:25 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
Whats the max rpm that still makes horse power with this hydro roller cam?
5600-800 or so max (I'm guessing)? Of course the actual cam profile will be dependant on a number of variables supplied by the customer, but in general, what would the useable rpm range at this price. I'm assuming the higher the rpm range of a hydro roller goes the cost goes up considerably as well.
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07-27-2010, 06:32 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
Ernie, I usually aim for around 5500 with a hydraulic roller. Considering if you're running through the gears, you usually shift about 500-600 rpm higher than peak hp rpm. I feel that's pretty safe for a hydraulic roller cam and if more hp/rpm is needed, then I go with a solid roller.
You can go higher of course, but you have to start looking at higher pressure dual springs (or beehives), lightened lifters, titanium retainers, etc.
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07-27-2010, 07:14 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
Just curious of course, you know I'm a big block kinda guy. I'm done with solid roller!!! Ha Ha I'll take a flat tappet anyday over that.
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07-27-2010, 07:17 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: 22,011
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Not Ranked
Quote:
Originally Posted by Excaliber
...you know I'm a big block kinda guy. I'm done with solid roller!!!
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Ahh, that's right. Didn't that last solid roller end up rolling a grenade in to your tent while you were sleeping? |
07-28-2010, 02:47 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
That's why on the street/strip style engines, I use the Comp street roller grinds with pressure fed lifters. No worries mate.
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