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01-02-2012, 05:17 PM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
Posts: 645
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Not Ranked
Could I have a HP TQ estimate
Can anyone give me a FWHP estimate on my combo.
351w block, 3.50 stroke, 4.040 bore,
KC Brodix 195 cnc ported heads,
10.6 CR, Comp
Cams XE 284
Lobe Center 110
Intake Center line 106
Duration 284I / 296E
Duration @ .050 240I / 246E
Valve Lift .541I / .544E
IVO/IVC 34/69
EVO/EVC 80/35
Overlap 69*
Pro-System 780
1 5/8 primaries
Edelbrock performer RPM =
1 ¾ primaries w/ Parker Funnel Web=
Thanks
Lou
__________________
Lou
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01-02-2012, 06:11 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
You running an RPM intake or a Funnel Web?
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01-02-2012, 06:17 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
Ok, I think I see what you're doing now....
I think with the RPM intake you'd be around 460-470 hp. With the Funnel Web, you'd probably gain 20-25 hp...
I haven't done a 351 with that combo, but I've done some 347's with similar combinations...
I'd like to see the cam with a bit more lift.
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01-02-2012, 06:19 PM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
Posts: 645
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Not Ranked
Hi Brent, I'm running the RPM, I was just interested in the funnel web to see what the capabilities were. I got to wrenching like you said. It sounds real strong and pulls good 5500. It was a quick test with no one around on a 50 degree day.
Thanks
Lou
__________________
Lou
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01-02-2012, 06:21 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
With your cam, you may not see much benefit. The Funnel Web is supposed to be good for mid range rpms as well, but to be honest, I've never tried one.
Cobras get a little grace with their light weight, but unless you're packing a lower rearend ratio, I would probably pass on a tall single plane intake.
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01-02-2012, 06:30 PM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
Posts: 645
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Not Ranked
I am staying with the RPM, anything taller and I would be calling Harwood!
On the cam: same duration with lifts in the .560 .570 range?
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Lou
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01-02-2012, 06:31 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
If you like where the engine peaks and you're not seeing any valve float issues, I would run similar durations but lift in the .600-.620" range.
Most of the aftermarket heads that you see really start to move some air at the .600-.650" lift range. It's good to select a camshaft that will work with the cylinder head design.
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01-02-2012, 06:54 PM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
Posts: 645
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Not Ranked
Those lifts and duration wont come with a flat tappet design, that's roller stuff, but I understand where your coming from. So I'm leaving 25 HP on the table right now from not maxing the head capabilities. I was thinking of just putting a different flat tappet, like a solid. anyway, I've done enough right now and will run it this summer like it is and see what next Christmas brings.
Thanks for your help Brent, and Happy New Year.
__________________
Lou
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01-02-2012, 07:01 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 was under the impression that you were running a roller cam. But either way, you can certainly get flat tappets with those durations and lifts...
I would be more inclined to use what you have instead of going through another cam break-in....
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01-02-2012, 07:03 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 was under the impression that you were running a roller cam. But either way, you can certainly get flat tappets with those durations and lifts...
I would be more inclined to use what you have instead of going through another cam break-in....
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01-02-2012, 07:56 PM
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CC Member
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Join Date: Apr 2010
Location: Severna Park,
MD
Cobra Make, Engine: Ford 289
Posts: 50
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Not Ranked
Hp/ tq
Hi,
I'm running a 333 w/ 680 Holly XE, Performer RPM, TW 170s, TRY-Ys, custom hydraulic full roller set up, good to 7K. Gross lift 570/562s. RWHP 392 @ 5900 w/ 401 RWTQ @ 4400. The right parts make good power, and this is with the air cleaner on.
Happy Motoring!
__________________
Ken
Severna Park, Md
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