557-A429 Bracket Build-Dyno Results
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557-A429 Bracket Build-Dyno Results
Special thanks to Pat, Mark and, Glenn McCreery at Nye's Automotive here in Muncie. http://www.nyesautomotive.net/
4.5" stroke X 4.440" bore
A460 Block
4340 Eagle crank and rods
JE Flat-top pistons-15-1
Crower solid roller .827-.822 lift 325*-335*adv. 290*-302* @ .050"
A429 heads ported
1150 old style Dominator
Victor intake
ATI balancer
MSD crank trigger and distributor
Moroso Fox-body pan
I had the cam-corder set up inside the dyno cell at the same time but, I'm having trouble retrieving it. This video was shot with a small camera and it's the only one I have for now.
http://www.youtube.com/watch?v=Fpgit05q8hw




4.5" stroke X 4.440" bore
A460 Block
4340 Eagle crank and rods
JE Flat-top pistons-15-1
Crower solid roller .827-.822 lift 325*-335*adv. 290*-302* @ .050"
A429 heads ported
1150 old style Dominator
Victor intake
ATI balancer
MSD crank trigger and distributor
Moroso Fox-body pan
I had the cam-corder set up inside the dyno cell at the same time but, I'm having trouble retrieving it. This video was shot with a small camera and it's the only one I have for now.
http://www.youtube.com/watch?v=Fpgit05q8hw




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Treeyasoon- Posts: 192
Join date: 2009-03-19
Age: 37
Location: Muncie, Indiana
Re: 557-A429 Bracket Build-Dyno Results
nice job man !!!! those are some sweet #'s ....very close to my deal expecially the torque numbers .....that ought to be a monster in you chassis , keep us posted on your times 
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bruno- Moderator

- Posts: 2211
Join date: 2008-12-02
Age: 37
Location: MILLBROOK , AL.

Re: 557-A429 Bracket Build-Dyno Results
just think if it was a big bore deal.................... 
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richter69- Posts: 1807
Join date: 2008-12-02
Location: tying up the midgets
Re: 557-A429 Bracket Build-Dyno Results
Good numbers ...........
It looks like it's a little lean, did you try fattning up to between 12.5 to 13 afr to see if it would make more power .
When you gonna hit the track............ ? Be sure to keep us posted, should be a fun ride.
When you gonna hit the track............ ? Be sure to keep us posted, should be a fun ride.
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IDT-572- Posts: 629
Join date: 2008-12-02
Age: 48
Location: Shelbyville Tn.
Re: 557-A429 Bracket Build-Dyno Results
Very nice #'s

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bbf-falcon- Posts: 1526
Join date: 2008-12-03
Location: Jackson, Ohio
Re: 557-A429 Bracket Build-Dyno Results
IDT-572 wrote:Good numbers ...........It looks like it's a little lean, did you try fattning up to between 12.5 to 13 afr to see if it would make more power .
When you gonna hit the track............ ? Be sure to keep us posted, should be a fun ride.
You are right...it is a touch on the lean side. These 2 pulls were made with #98 jets squared...that was the biggest we tried. We made 7 pulls total trying to sneak up on the AFR. I wanted to try to keep to the lean side for the consistancy. We generally race in the afternoon into night time...big swings in the density altitude. I figured this may make the car a little easier to dial. As the weather warms up, this tune-up should be about right. (I hope.)
My first 557 made 820/736...the car ran 5.70-5.60's with it. Our track opens the first of April and I have a lot to get done. (Basically had the whole car apart this winter.) Should be ready sometime mid-April or so. I plan on seeing ya'll at the Bash!
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Treeyasoon- Posts: 192
Join date: 2009-03-19
Age: 37
Location: Muncie, Indiana
Re: 557-A429 Bracket Build-Dyno Results
Very Nice !!! Congratulations. 

cletus66- Posts: 229
Join date: 2009-08-08
Age: 43
Location: Charles City, Virginia
Re: 557-A429 Bracket Build-Dyno Results
Nice numbers i was off by 17.2 horsepower and 3.8 lb.ft. of torque on my guess.
Later Mark.
Later Mark.
Mark Miller- Posts: 214
Join date: 2009-09-01
Re: 557-A429 Bracket Build-Dyno Results
That's a killer 557 !!! You'll give them chebbie boys something to cry about with that combo


56Tbird- BBF CONTRIBUTOR

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Join date: 2008-12-02
Age: 51
Location: Hawesville,Ky.
Re: 557-A429 Bracket Build-Dyno Results
Nice #'s should run awsome
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dfree383- Posts: 904
Join date: 2009-07-10
Location: A Protest Near you
Re: 557-A429 Bracket Build-Dyno Results
Damn I was close
I was off 5.2 hp and 6.8 ftlbs
I was off 5.2 hp and 6.8 ftlbs
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D's557BBF- Posts: 122
Join date: 2008-12-02
Age: 44
Location: Southfield, Michigan
Re: 557-A429 Bracket Build-Dyno Results
Congrat on the big HP
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D. Sea- Posts: 1091
Join date: 2008-12-02
Age: 40
Location: Shelbyville, KY
Re: 557-A429 Bracket Build-Dyno Results
Great #s
how much does ur car weigh? thx.
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deliveredfast- Posts: 165
Join date: 2008-12-04
Age: 37
Location: Taylor,MI
Re: 557-A429 Bracket Build-Dyno Results
deliveredfast wrote:Great #show much does ur car weigh? thx.
About 2600 or so with me in it.
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Treeyasoon- Posts: 192
Join date: 2009-03-19
Age: 37
Location: Muncie, Indiana
Re: 557-A429 Bracket Build-Dyno Results
You got that thing in the car yet!!!!!!!! I'm about ready, to give the ole whoop-whoop on the finish line
It's a good thing to have another FORD in S/P this year since there is usually only three out of 80 cars but I love the fact they HATE us!!!!!!! 
It's a good thing to have another FORD in S/P this year since there is usually only three out of 80 cars but I love the fact they HATE us!!!!!!! 

BIGDOG466- Posts: 92
Join date: 2009-08-13
Location: Indy
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