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FMS Built 383 #'s Inside

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Old 03-06-2009, 11:57 AM
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Default FMS Built 383 #'s Inside
We just finished up a 383ci motor for one of our customers 1998 A4 Corvette. The final numbers on the car were 516.21rwhp/457.41rwtq. Here is a run down of the setup:

FMS 383:

-Diamond Forged Pistons
-Manley Sportsmaster Connecting Rods
-Callies Dragonslayer 4.00" Crankshaft
-FMS Custom Camshaft - (246/252-112+4 - .646/.620 Lift)
-All-Pro CNC Cylinder Heads - Touched up by Meaux Racing Heads
-Fast 90/90
-ASP Underdrive Pulley
-Kooks 1-7/8 Headers w/ ORX-Pipe
-FMS Speed Density Tune


Drivetrain
-Yank PT4000 Converter
-3.73 Gears
-DTE Stage 2 Rear-Diff







Just a little side note that the car picked up 30 rwhp with the touch up work done by Larry Meaux.
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Old 03-06-2009, 12:09 PM
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Wow, awesome power thru an auto, congrats!!
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Old 03-06-2009, 12:10 PM
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Very impressive for a 383, an being an a4! Hows the drivability with that big of a cam in there ??
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Old 03-06-2009, 12:12 PM
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What are you shooting for in the 1/4 ? 10.8 at 129, provided she hooks off the line.
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Old 03-06-2009, 12:37 PM
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Originally Posted by allngn_c5
What are you shooting for in the 1/4 ? 10.8 at 129, provided she hooks off the line.


Check out this thread for the answer .

https://ls1tech.com/forums/drag-raci...l#post11190230
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Old 03-06-2009, 12:39 PM
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Originally Posted by allngn_c5
Very impressive for a 383, an being an a4! Hows the drivability with that big of a cam in there ??


Drivability is much better than people would think with a big cam. Allan spent a lot of time tweaking the tune to getting driving just like the customer wanted.
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Old 03-06-2009, 12:49 PM
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Originally Posted by john@fms
Check out this thread for the answer .

https://ls1tech.com/forums/drag-raci...l#post11190230
Damn !! She did even better then I thought she would. 1.49 60 time is nice. Theres a member named Yo El with a 364 cartek 4x head 4x cam motor and he cuts 1.4's and is running mid to high 10's with 3.90's in an a4. I wasn't sure where the 3.73's would have you at in the power band. Obviously she's dialed in.

I just hope my setup can run low 11's with a modest launch and a 1.9 60 time. A little nervous about breaking something.
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Old 03-06-2009, 01:01 PM
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great results both dyno and track wise
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Old 03-06-2009, 01:05 PM
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weight with driver?
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Old 03-06-2009, 01:07 PM
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Those track numbers damn sure backed up the dyno numbers. Nice job, congrats.
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Old 03-06-2009, 01:18 PM
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Do you think she could hit a 9.9xx with some 4.10's ?
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Old 03-06-2009, 01:47 PM
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Originally Posted by 94 guy
weight with driver?
Not sure what the car weighs yet, we have not had it scaled yet. We took out the a/c and passenger seat for him, but the car also has a madman rollbar in it. Also the driver is about 175 lbs. If I had to take an honest guess I would say the car weighs around 3400 lbs w/ driver, but that is just a guess.
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Old 03-06-2009, 02:47 PM
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knocking on the 9's .....congrats on the setup !
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Old 03-06-2009, 03:14 PM
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And people say 383's are worthless...

HAH! Great job FMS
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Old 03-06-2009, 03:46 PM
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its very nice to see stout 383..people always say its not worth it to do a 383,but you guys showed other wise..Good job guys!!!
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Old 03-06-2009, 04:01 PM
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what's the compression?
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Old 03-06-2009, 06:36 PM
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Very nice!
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Old 03-06-2009, 08:20 PM
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Awesome power and it's great to see some track numbers backing it up! Nice job!
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Old 03-06-2009, 08:25 PM
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another awesome build by Futral! the track numbers back up the dyno numbers!
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Old 03-06-2009, 11:13 PM
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Originally Posted by PewterScreaminMach
Awesome power and it's great to see some track numbers backing it up! Nice job!
X2 Alot of people throwing around huge dyno numbers but we never get to hear how they run. Very impressive car!
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