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How fast is your 347???

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Old Oct 25, 2012 | 07:40 PM
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Default How fast is your 347???
Im wanting to see some of your setups and track times?
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Old Oct 25, 2012 | 07:46 PM
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My stock 346 M6 is running consistent mid 10's.
Ran 10.4 with not much testing. 100% stock
Shortblock. Stock, pistons, rods, rod bolts etc.
My build thread: https://ls1tech.com/forums/drag-raci...ld-thread.html
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Old Oct 25, 2012 | 07:50 PM
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347 here. nitrous time in sig, car usually runs 10.60-10.80's on motor with the nitrous tune up.
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Old Oct 25, 2012 | 07:51 PM
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That's getting it done good job i check your thread out.
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Old Oct 26, 2012 | 01:11 AM
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I had a bored 5.3 (346). Ran 10.40's with stock heads at 4550lbs.
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Old Oct 26, 2012 | 08:59 AM
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I have been 10.56@127 with my 347 with a 3250lb raceweight. MS4 cam, TFS 215 heads, Ported FAST 90, TH350 & 8" 5500 stall, 4.10 gear, and 28" slick.
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Old Oct 26, 2012 | 09:18 AM
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Keep em coming. That's some good times.
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Old Oct 26, 2012 | 12:47 PM
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setup in sig, stock trans, unported stock LS1 intake shift at 6k, at 3500#, 10-bolt. 11.4@120 still has another 40-50whp in it
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Old Oct 26, 2012 | 01:37 PM
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Originally Posted by WhiteLTone
347 here. nitrous time in sig, car usually runs 10.60-10.80's on motor with the nitrous tune up.
Awesome
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Old Oct 27, 2012 | 09:27 PM
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Best time in signature. Forged pistons/rods 347ci LS1 (9.6:1) with stock untouched 241's and 214/224 cam fed by a P1SC (8psi). Mine is full wieght as well.
Last edited by Packy; Oct 29, 2012 at 05:46 PM.
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Old Oct 28, 2012 | 02:40 PM
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I've seen an 8.92@159 with a 347...
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Old Oct 28, 2012 | 05:01 PM
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10's 129s on unported heads, NA
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Old Oct 28, 2012 | 11:03 PM
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10.0's 130 on motor (@3050), 346, MS3, 5.3 heads, TH350, FTI 5000 stall.
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Old Oct 29, 2012 | 08:27 AM
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11.1 @ 130 for me. Bolt-on ls6

Should do a little better next time out if I can keep the 10 bolt together and not get kicked out for no cage.
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Old Nov 6, 2012 | 09:48 AM
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10.6 @132 n/a 346
10.6@ 137 n/a 364
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Old Nov 6, 2012 | 09:53 AM
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My little 347 Bracket race car has run a best of 10.14 @ 132.54 at a race weight of 3100 lbs.

Coach
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Old Nov 6, 2012 | 12:42 PM
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Stock heads and stock bottom end went 10.02 @ 137 with a 150 shot. Looking to go mid 8's next year with a iron 347.
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Old Nov 7, 2012 | 05:11 AM
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5.75 @ 124 & 8.92 @ 159

Stock 99 block
Stock crank
Ported 853's
Stock rockers
Stock lifters
Custom Bluecat cam

80mm turbo

Glide

3430 raceweight

That pass was on 16.5 psi. Gonna go Friday and see what it will do on 20 psi.
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Old Nov 7, 2012 | 06:26 AM
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Good luck baked! Make us stock cube guys proud.
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Old Nov 7, 2012 | 07:56 AM
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My personal car has been 5.60@125 in the 1/8th.

347ci
stock 2001 block
stock crank
forged rods/pistons
stock ported 799 heads
stock ported ls2 intake
stock rockers (trunion upgrade)
no intercooler
E85
75mm T4 Turbo from Work Turbochargers
TH400
3200lbs

Zach
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