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 12Likes
03-26-2013, 01:05 PM
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CC Member
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Join Date: Apr 2012
Location: Bay Area (Peninsula),
CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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Not Ranked
I think you all know the saying about being in the game vs. being in the stands. As far as I'm concerned Brent is in the game and most of us are in the stands. That's why no one would pay me to build an engine.
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03-26-2013, 01:16 PM
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CC Member
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Join Date: Oct 2003
Posts: 4,078
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Not Ranked
Actually Mahles..... 
__________________
Chas.
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03-26-2013, 01:55 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: 9,592
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Not Ranked
Quote:
Originally Posted by ERA Chas
Actually Mahles..... |
Chas knows what he's talking about. Popular with the Porsche crowd.
Wiseco's? Puh-leeze.  This coming from a guy who installed a Centerforce clutch in his ERA.  |
03-26-2013, 01:19 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 do love me some Mahle pistons. Use them in a lot of builds.
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03-26-2013, 01:32 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 blykins
I do love me some Mahle pistons. Use them in a lot of builds.
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Are they still coming with coating?
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Chas.
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03-26-2013, 01:35 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
Sure are...
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03-26-2013, 04:41 PM
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CC Member
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Join Date: Apr 2008
Location: Melbourne,
Vic
Cobra Make, Engine: Some polish thing... With some old engine
Posts: 2,286
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Not Ranked
Lippy - Word of Warning:
DO NOT tell your wife or girlfriend that you're getting DIAMONDS for this little engine of yours. 
She'll forever hold it against you, the price Brent quoted for your build wont be but a drop in the ocean trying to appease her there after.  |
03-26-2013, 04:46 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 Dimis
Lippy - Word of Warning:
DO NOT tell your wife or girlfriend that you're getting DIAMONDS for this little engine of yours.
She'll forever hold it against you, the price Brent quoted for your build wont be but a drop in the ocean trying to appease her there after. |
Hmmm, did you know that occasionally Victorian toshers would find diamonds? For some reason this thread made me think of that little fact....  |
03-26-2013, 04:49 PM
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CC Member
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Join Date: Apr 2012
Location: Bay Area (Peninsula),
CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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Not Ranked
Quote:
Originally Posted by Dimis
Lippy - Word of Warning:
DO NOT tell your wife or girlfriend that you're getting DIAMONDS for this little engine of yours.
She'll forever hold it against you, the price Brent quoted for your build wont be but a drop in the ocean trying to appease her there after. |
If I have to get my wife some jewelry every time I get a car, I'm glad to make that trade. At least I know up front what I'm getting into. |
04-11-2013, 11:47 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
Your heads and Anthony's heads came in yesterday from Pond. Unfinished seats. As soon as the valve job is done and they're milled, I'll post pics and flow numbers.
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04-11-2013, 08:51 PM
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CC Member
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Join Date: Apr 2012
Location: Bay Area (Peninsula),
CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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Not Ranked
Quote:
Originally Posted by blykins
Your heads and Anthony's heads came in yesterday from Pond. Unfinished seats. As soon as the valve job is done and they're milled, I'll post pics and flow numbers.
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Sweet. How does the porting look? I hope to see some big flow numbers. |
04-12-2013, 03:58 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
They are CNC ported and they look great. The exhaust ports have a different design than the edelbrocks, but they supposedly perform better too.
Flow numbers are a big part of it, but they don't tell about velocity, which is extremely important too. These will do just fine though.
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04-12-2013, 02:01 PM
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CC Member
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Join Date: Apr 2012
Location: Bay Area (Peninsula),
CA
Cobra Make, Engine: ERA 427, 427/487 side-oiler
Posts: 1,248
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Not Ranked
I meant that port area is fixed over time, not at different elevations in the port. If two ports flow the same and one has a smaller cross section, then velocity will be higher across that port, like in a venturi. It seems to me that flow and velocity need to be proportional.
But I think i get what you are explaining. Similar to an intake runner, the "natural frequency" of the flow can be optimized for a particular operating range. So some ports that flow well won't work well on a specific engine.
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04-12-2013, 03:11 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
Yes sir you are correct. A head that performs well on a bench may not perform in the car, and there is a difference between velocity on that bench and velocity induced by the engine. I think that's where we were comparing apples to tangerines. My reply while sitting in the drive thru at the bank didn't help much...hahaha
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04-12-2013, 03:15 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
ok now 6 pages of post and no damn pics of the engine.....WTF
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Fred B
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04-12-2013, 05:15 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 FWB
ok now 6 pages of post and no damn pics of the engine.....WTF |
Can't-the magazine won't let him......
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Chas.
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04-12-2013, 08:06 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
Jeff's doesn't get a mag article, but it's hard to take pics when parts take forever to come in. Jeff's block is being machined and so are the heads. Intake is here, crank is here, cam is here....hopefully we will have pistons this week.
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04-12-2013, 10:16 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
Do you prefer the Pond heads over the Edelbrock, or does it still depend on the build??? 
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PRIDEnJOY
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04-13-2013, 04:51 AM
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CC Member
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Join Date: Aug 2002
Posts: 90
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Not Ranked
Heads
How about a pro port edelbrock head? Blair Patrick and kuntz have some that flow well at low lift.
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04-13-2013, 06:54 AM
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CC Member
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Join Date: Aug 2002
Posts: 90
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Not Ranked
I'm not an expert by any means but its my understanding that one wants a head that flows well with as small a port as possible. So with all these heads you have to compare flow at various lifts (0.100, 0.200, on up) and their respective port size. I do know that Blair Patrick makes a Pro Port Head that flows GREAT at low lifts; which would be perfect for a street application...
That said; I'd love to see how the Pond head compares...
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