FMS Built 383 #'s Inside

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Mar 6, 2009 | 11:57 AM

ThunderStruk

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From: baton rouge

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

Mar 6, 2009 | 12:09 PM

98camaroLS1M6

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Wow, awesome power thru an auto, congrats!!

Mar 6, 2009 | 12:10 PM

allngn_c5

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Very impressive for a 383, an being an a4! Hows the drivability with that big of a cam in there ??

Mar 6, 2009 | 12:12 PM

allngn_c5

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What are you shooting for in the 1/4 ? 10.8 at 129, provided she hooks off the line.

Mar 6, 2009 | 12:37 PM

ThunderStruk

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From: baton rouge

Quote:

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

Mar 6, 2009 | 12:39 PM

ThunderStruk

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From: baton rouge

Quote:

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.

Mar 6, 2009 | 12:49 PM

allngn_c5

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Quote:

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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Mar 6, 2009 | 01:05 PM

94 guy

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weight with driver?

Mar 6, 2009 | 01:07 PM

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Hardtop

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Those track numbers damn sure backed up the dyno numbers. Nice job, congrats.

Mar 6, 2009 | 01:18 PM

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allngn_c5

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From: Western Burbs of Detroit

Do you think she could hit a 9.9xx with some 4.10's ?

Mar 6, 2009 | 01:47 PM

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ThunderStruk

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From: baton rouge

Quote:

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.