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CC Advertisers
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03-22-2010, 11:17 AM
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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
Oh I been there with the solid roller, no thanks! And perhaps I'll run flat tappet and spend the money I save on other things, or not. It's good to have choices.
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03-22-2010, 12:15 PM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,448
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Not Ranked
Undy...Keith was right on the money for a hydraulic roller cam fitment (obviously, since da man's a guru)...those cams come with hardened steel on the cam gear, so an iron gear won't eat them up.
The problematic fitment is the solid rollers for FEs...unlike more common installations like CSB and CBB, the cam grinders don't have hardened steel for the cam gear on solid rollers (or maybe they're getting to it), so a sacrificial distributor gear needs to be used to protect the more asspensive cam...which is where bronze cam gears come from. Production-wise, the solid roller market for FEs is relatively small. Again, Rick has been using a poly-something distributor gear for a solid roller fitment which shows extreme promise (I haven't heard him yell about breaking it yet), but it's still relatively a new approach in the bigger scheme of things.
So...hydraulic rollers...no problemo. Solid rollers...ya takes your chances. I have a collection of worn bronze gears on the shelf behind me from my solid roller days...make for unusual (and knife-sharp) paper weights.
__________________
Jamo
Last edited by Jamo; 03-22-2010 at 12:17 PM..
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03-22-2010, 12:39 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
Dave,
I think we can chock it up.
However, I will say that I'm also pro-solid roller. I love solids and hydraulics just the same, they each have their place and application....just as long as they're not flat tappet.  |
03-22-2010, 12:40 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
BTW,
Patrick, are you thinking about swapping? Wake that motor up!
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03-22-2010, 12:44 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
Patrick, are you thinking about swapping?
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Only if it wipes a lobe. |
03-22-2010, 02:05 PM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,291
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Not Ranked
I must say though....
If I was to build a road-race only buggy that isn't even street legal, here's what the FE powerhouse bill-o-fare would be...
Pond aluminum block (4.25 finished bore), custom light weight 4340 moly stock stroke Lunati crank (BBC rod journals), a set of BBC Forged titanium rods, Arias custom light weight 11.5 to 1 pistons, KC's stage III Eboks w/ 2.30" Titanium intake valves. I still like the Ersons on the Eboks. To fuel the thing I'd have a ported Victor and a race prepped 1000HP. Valve opening would be courtesy of a nasty Solid Flat Tappet, say... about 270/280 duration @ 0.50 and .670/.680 lift. Yep, that would about do it... well, that and about 35 grand in build costs  ....if wishes were to come true.
But!!! For the street it's me 'n Team Hydra.. 
Pat, c'mon over to the Dark Side, talking trash with z-e-r-o lash.. 
__________________
Too many toys?? never!
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03-22-2010, 01:10 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
I wouldn't put it past one.....they're sneaky like that.
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03-22-2010, 02:08 PM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,448
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Not Ranked
Undy...those are basically my cam specs.
__________________
Jamo
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03-22-2010, 02:10 PM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,291
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Not Ranked
Quote:
Originally Posted by Jamo
Undy...those are basically my cam specs.
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great minds??
__________________
Too many toys?? never!
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03-22-2010, 02:20 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
Jamo, you running that much duration?
Also, what would the solid guys' catch phrase be?
Talking smack with a clickety clack?
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03-22-2010, 02:31 PM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,291
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Not Ranked
Jamo, evidently one's definition of "Uber streetable" is not necessary another's... Geez, and I though I wuz a HP crazed maniac. 
nah... Talking with Pat who has a cam that's flat...
__________________
Too many toys?? never!
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03-22-2010, 03:35 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
Quote:
Originally Posted by undy
Talking with Pat who has a cam that's flat...
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My ace in the holer is one that's a roller. |
03-23-2010, 12:35 AM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,448
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Not Ranked
Quote:
Originally Posted by blykins
Jamo, you running that much duration?
Also, what would the solid guys' catch phrase be?
Talking smack with a clickety clack?
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Just a smudge less than Undy's dream motor...270 @.050 on both ends. Just shy of 11 to 1.
__________________
Jamo
Last edited by Jamo; 03-23-2010 at 12:59 AM..
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03-22-2010, 02:36 PM
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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 Jamo
Undy...those are basically my cam specs.
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Jamo,
Please share your spring specs and how often you need to change them. I know you drive your car a lot.
__________________
Chas.
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03-23-2010, 12:39 AM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,448
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Not Ranked
Quote:
Originally Posted by ERA Chas
Jamo,
Please share your spring specs and how often you need to change them. I know you drive your car a lot.
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Can't find the sheet on the springs, but no changes made thus far.
__________________
Jamo
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03-22-2010, 02:19 PM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,448
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Not Ranked
Hehehe...and it's got over 10k miles on it. Uber streetable.
__________________
Jamo
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03-22-2010, 03:03 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
My Comp Cam is 282 duration and 571 lift, 110 lobe separation. Nice lumpy idle and decent street manners. WAY better street manners than the solid roller I was running. The springs are what Comp Cam recommended for this profile, I've got 7,000 plus miles on the clock. Most of that is Hawaii "stop and go" hard miles!
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