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403 LS notch now billet84mm and LJMS cam 7.86@174.5 11-15-14

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Old 07-16-2014, 11:32 PM
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Cool lil dyno and efficient.

Have you ever compared back to back results vs other dynos? I know not all chassis dynos measure the same which results could vary.
Old 07-17-2014, 01:15 PM
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the dyno dynamics reads 50-100hp lower than the dynojet with turbo automatic cars

but it also reads hp a different way
Old 08-15-2014, 12:10 AM
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Billet S480, alum 5 inch downpipe, and LJMS st 4 cam upgrade

403 LS notch now billet84mm and LJMS cam 7.86@174.5 11-15-14-rsdnujr.jpg
403 LS notch now billet84mm and LJMS cam 7.86@174.5 11-15-14-wucglyl.jpg
403 LS notch now billet84mm and LJMS cam 7.86@174.5 11-15-14-3916gq8.jpg
403 LS notch now billet84mm and LJMS cam 7.86@174.5 11-15-14-wpaejff.jpg

12psi street shakedown.


Old 08-15-2014, 05:24 AM
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That's pretty damn nasty!
Old 08-16-2014, 12:51 PM
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I'd like to know what the rotating assembly is in that motor, been thinking of building a 403 instead of a 370. Also be interested in some backpressure readings as everyone has told me my billet 80 would be to small for a 403 stroker.
Old 08-17-2014, 03:08 PM
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laid down the pumpgas tune for today

18psi / 11deg timing
tr6 spark plug, pumpgas and methanol
th400, built 8.8 rear, running MS3x



403 LS notch now billet84mm and LJMS cam 7.86@174.5 11-15-14-4hwchsk.png

Old 08-17-2014, 04:06 PM
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Pretty radical results for 18psi and pump/meth.

I have a feeling this thing is going to be "doin work"...
Old 08-17-2014, 04:15 PM
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Any idea what your EGT's are with timing at 11*?
Old 08-17-2014, 05:51 PM
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no sir, no idea on EGT
Old 08-17-2014, 07:37 PM
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Awesome car dude, I go to Cecil all the time, Im from York PA but its about 45min. drive to Cecil, Im in the process of doing a LSX 408 GT5088 build right now, well Im going to be buying an Lq9 block sometime this week and getting it started, so Im a long way away but these videos and pics keep me motivated man, Maybe Ill see you around sometime. Are you running 317 heads on that? Im trying to figure out what Neg. Dish pistons to go with and heads as well.
Old 08-17-2014, 07:47 PM
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What turbo and specs
Old 08-17-2014, 07:53 PM
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Originally Posted by Nasty275SS
Awesome car dude, I go to Cecil all the time, Im from York PA but its about 45min. drive to Cecil, Im in the process of doing a LSX 408 GT5088 build right now, well Im going to be buying an Lq9 block sometime this week and getting it started, so Im a long way away but these videos and pics keep me motivated man, Maybe Ill see you around sometime. Are you running 317 heads on that? Im trying to figure out what Neg. Dish pistons to go with and heads as well.
stock 317 heads and dual springs

Originally Posted by dmracing
What turbo and specs
FI billet s480 and 96 turbine, t6
Old 08-17-2014, 08:14 PM
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I just checked out the build thread on it and now I see all the ****, besides all the arguing about it being a stock bottom end, that is very impressive to be making that kind of power on stock internals, I love seeing **** like that, everyone spends tons and tons of $ on crazy forged **** and this goes to show you can do it on the cheap sometimes and make great numbers, if you do it right. Very awesome
Old 08-17-2014, 09:37 PM
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its a 403CI

built motor
Old 08-20-2014, 10:11 PM
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403 LS notch now billet84mm and LJMS cam 7.86@174.5 11-15-14-rvoxwgt.jpg
18psi
11.5deg
pumpgas
super small meth nozzle just for insurance haha

retarded.
https://www.youtube.com/watch?v=1Gxl...ature=youtu.be
Old 08-20-2014, 10:21 PM
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Holy!

Just like I said a few post above, this setup is "Doin Work!"

Cant wait to see more, awesome work keep it up!
Old 08-20-2014, 10:31 PM
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Quick. Nice work.
Old 08-20-2014, 11:07 PM
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Awesome!
Old 08-20-2014, 11:33 PM
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Nice work Matt. She running some mph.
Old 08-21-2014, 12:38 AM
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That car is nothing but bad. Great job.


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