1ST GOOD RUNS ON NEW 521 LAST NIGHT!!! - 460 Ford Forum
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post #1 of 128 (permalink) Old 04-10-2009, 11:54 AM Thread Starter
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Smile 1ST GOOD RUNS ON NEW 521 LAST NIGHT!!!

521 a429s. 1st past off the trailer car had a 1.38 60ft and a 4.09 330 ft. and started spinning so i let off. 2nd pass had a 1.40 60ft and and 4.11 330ft spinning and went a 6.28 1/8 mile and let off at the 1/8 and coasted to a 10.01 1/4 because i did not know they had the 1/4 clocks on for our lane. would have went in the nines easy. it bust the bypass hose so i could not make another pass. this is only the 4th and best pass on my new 521. the first 2 were last sat. and the car would not accell because the hood was too close to the vent tube on the carb. i think this car can 5.99 with more gear and put the hvh 1" back on with a new hood. the carb is sitting on the intake with no spacer right now. play with timing and loose some more weight out of the car. 3265 with me in it 3.73 gear and a glide and 34 timing. im happy so far but i know it car do better. slick are old and was spinning on take off. leaving at 3800 on the break. oh yeah all on muscle. no gas. almost as fast as my old 466 on a 210 shot. thanks to all the guys on the site who gave good info.

Last edited by GT Man; 04-10-2009 at 05:07 PM.
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post #2 of 128 (permalink) Old 04-10-2009, 12:02 PM
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What did you end up doing? Did you just take the hood off for those runs? 6.28 with a 1.40 short time tells me there is plenty more there if you can hook it. Looks like I was fairly close on my guess at the E.T. Keep us posted as you make changes as far as what helps and what didn't. Sounds like a Bona-Fide 9 second ride...

Travellin' through time...
5.66 @ 124
8.91 @ 151
557-A429's-Glide-4.10's
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post #3 of 128 (permalink) Old 04-10-2009, 12:19 PM Thread Starter
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thanks, took off the 1" s sucker spacer for now. looking for a 6" bolt on cowl hood. used or new.

Last edited by GT Man; 04-10-2009 at 12:23 PM.
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post #4 of 128 (permalink) Old 04-10-2009, 07:04 PM
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post #5 of 128 (permalink) Old 04-11-2009, 02:49 AM
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what size tire?

-Derik
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post #6 of 128 (permalink) Old 04-11-2009, 06:55 AM Thread Starter
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28x10.5 3years old. got some new ones ready to put on.
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post #7 of 128 (permalink) Old 04-11-2009, 08:56 PM
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Nice!! Takes a bit to get the bugs out........

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post #8 of 128 (permalink) Old 04-29-2009, 11:44 AM Thread Starter
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Here are my last passes again 4/23/09 UPDATE

1st pass was a 9.88 1/4 @ 137, 1.382 60ft
2nd pass was a 9.81 1/4 @ 138, 1.381 60ft
3rd pass 6.17 1/8 @ 112, 1.388 60ft
all on motor for now. tying to get 5.90s on motor before i shoot it. will put video back on soon. new slicks and air pan on carb are the only changes made to car. times got faster but 60 ft is still in the 1.38s. will be changing front struts to a adjustible style and swap out 3.73 rear gear for a 4.10.
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post #9 of 128 (permalink) Old 04-29-2009, 11:00 PM Thread Starter
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VIDEO UPDATE 4/23/09

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post #10 of 128 (permalink) Old 04-30-2009, 12:06 AM
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Nice runs, but what's all the smoke on the big end...?



Doug...

[SIGPIC][/SIGPIC] '86 F150... 521 w/ FRPP SCJ Heads, Glide...
Best ET: 1/8---6.17 @ 112 mph N/A @ 1200'
6.34 @ 112 mph N/A @ 5000'
1/4---9.73 @ 136 mph N/A @ 1200'
9.97 @ 135 mph N/A @ 5000'
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post #11 of 128 (permalink) Old 04-30-2009, 07:45 AM Thread Starter
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a piece of the gt kit come loose and started rubbing my new slick. got it fixed now
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post #12 of 128 (permalink) Old 04-30-2009, 09:59 AM
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Nice ride ! What rpm are you bouncing off that rev limiter on the brake ?

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post #13 of 128 (permalink) Old 04-30-2009, 10:40 AM Thread Starter
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[1] 3800
[2] 3600
[3] 3400
All same 60 foot but faster times.
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post #14 of 128 (permalink) Old 04-30-2009, 10:54 AM
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looks like you went 1375' on that first pass! lol!

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post #15 of 128 (permalink) Old 04-30-2009, 11:54 AM
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Outstanding! Them A429 heads work pretty good



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