Foxwell Motorsports Hyd. roller 509 back from the dyno...
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Foxwell Motorsports Hyd. roller 509 back from the dyno...

  1. #1
    steelcomp was here
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    Default Foxwell Motorsports Hyd. roller 509 back from the dyno...

    Just got back from the Vrbancic Brother's dyno today with some real nice results.
    Gen6 509
    4.5 bore x 4.0 str.
    Scat std. weight crank
    Engine Pro 6.535 rods
    Mahle 13cc dome piston, 1.27 ch
    11.4:1 cr
    AFR 305's fully ported (309cc), 2.25 valve, 103cc chamber
    Straub hyd roller 244/248 @ .05 .649/.629, 107
    Morel hyd. roller lifter.
    Ede. Vic Jr, fully ported , Pro Systems 1000 4150.

    Corrected (.04)
    764hp @ 6200
    732 lbs/ft @ 4900



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  3. #2
    gn7
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    I take it that the pistons set a little proud and you're running a thick head gasket.



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  4. #3
    steelcomp was here
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    Quote Originally Posted by gn7 View Post
    I take it that the pistons set a little proud and you're running a thick head gasket.
    Yessir... .011 out of the hole with a .050 Cometic. The block was 9.798 to start and needed a little "work" to get it flat and even. In the end it worked out really well.
    Last edited by scott foxwell; 02-01-2012 at 11:22 PM.
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  6. #4
    Senior Member Hass828's Avatar
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    Good numbers, from a happy engine. Nice build.
    "if we keep doing it the same way we always do..we will always get the same results"
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    Senior Member TNYoungblood's Avatar
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    Nice build Scott
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    Quote Originally Posted by steelcomp View Post
    Just got back from the Vrbancic Brother's dyno today with some real nice results.
    Gen6 509
    4.5 bore x 4.0 str.
    Scat std. weight crank
    Engine Pro 6.535 rods
    Mahle 13cc dome piston, 1.27 ch
    11.4:1 cr
    AFR 305's fully ported (309cc), 2.25 valve, 103cc chamber
    Straub hyd roller 244/248 @ .05 .649/.629, 107
    Morel hyd. roller lifter.
    Ede. Vic Jr, fully ported , Pro Systems 1000 4150.

    Corrected (.04)
    764hp @ 6200
    732 lbs/ft @ 4900



    Enjoyed it bud. Kudo's to you and your skill level. I think you need to note the old engine was dyno'd on the same dyno and it make 652HP/654#/ft and car, 1966 Chevelle, ran a best of a 10.15. Scott port tuning and complete Blueprinting netted a very nice gain in power.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

  9. #7
    Senior Member EdonShano's Avatar
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    Congrates on the build Scott! Another fine job.. ...I guess this means the "Foxwell-Billet" build is about to begin!!!
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  10. #8
    Spiral out MikeF's Avatar
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    Damn that's alot of torque!

    Quote Originally Posted by gn7 View Post
    I take it that the pistons set a little proud and you're running a thick head gasket.
    You've got some pretty good vision to see that in the picture Bob.

  11. #9
    gn7
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    Quote Originally Posted by MikeF View Post
    Damn that's alot of torque!


    You've got some pretty good vision to see that in the picture Bob.
    Math my friend, math!
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  12. #10
    steelcomp was here
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    Just wanted to add: it made 746hp @ 6100 and 720ft lbs @ 4800 at 32 degrees total timing....a loss of 18hp and 12ft lbs on the race gas. You could throw 91 0r 93 oct. in this thing and never give it a second thought.
    If God is your co-pilot, change seats!
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    Do you have any pics of the pistons or the 103 chambers... I would like to see what was done to the chambers to run the 4.500 bore and keep the chambers down to 103 cc and also what cc dome if any did you use. looks like a good combo.
    ps.whats it going in car or boat?

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    Quote Originally Posted by havasubyou View Post
    Do you have any pics of the pistons or the 103 chambers... I would like to see what was done to the chambers to run the 4.500 bore and keep the chambers down to 103 cc and also what cc dome if any did you use. looks like a good combo.
    ps.whats it going in car or boat?
    Pistons were shelf stock Mahles BBC1270500D13's. Mahle Rings.

    Scott has a whole pictorial on this I will tell him to post it.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

  15. #13
    gn7
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    Quote Originally Posted by cstraub View Post
    Pistons were shelf stock Mahles BBC1270500D13's. Mahle Rings.

    Scott has a whole pictorial on this I will tell him to post it.
    Ah Chris, you need to stop doing that from memory. There is no 1 after the BBC. Your mind threw that in there because it seems logical Its my guess that Mahle figures that is a given, just as the 4 is. Makes for a shorter part number. At least their numbers make sense.



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    Last edited by gn7; 02-02-2012 at 03:27 PM.

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    Good job on a nice build!


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