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eBay gt45, stock 4.8, goes 9.18@146

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Old 11-27-2012, 01:02 PM
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Default eBay gt45, stock 4.8, goes 9.18@146

Hey guys figured I would post a thread with updates. We have one last chance to get the car out this weekend. The above was at 17.5 psi due to boost controller issues that we believe we have figured out. The above was also on a 3.91 gear causing the car to really nose over on the big end. It will be on a 3.54 gear this weekend. I'm sure the gear alone should make a big difference.

Stock 4.8 with stock 243s
Patriot golds
Ls6 cam
Ls1 intake
eBay Gt45
Stock 240sx rear and axles
Th400
Tuned on hptuners by dkgoodrich

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Big thanks to my engine guy: Robert@ Roberts performance machine in lexington, ky
My fab guy: Andrew Dimartino@ Dimartino fabrication in lexington, ky
And my tuner DK Goodrich dkgoodrich.com in Frankfort, ky

Last edited by oneoverwrx; 11-27-2012 at 01:19 PM.
Old 11-27-2012, 01:09 PM
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Nice! Any dyno numbers on the current setup?
Proves that the gt45 can make some power
Old 11-27-2012, 01:15 PM
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no dyno numbers with the current setup. on the 6speed we saw 686 at 14psi with fairly conservative timing. The car has been 148 on the 6spd with a best of 115 in the 1/8th. Now we are picking up so much in the 1/8th that we are out of steam on the big end, hoping the 3.54 gear keeps the car in the fat part of the band.
Old 11-27-2012, 01:17 PM
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Lol crazy how high u spinning it now?
Old 11-27-2012, 01:22 PM
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limiter is at 7500 we are crossing the line in the 7300 area. Shifts are usually in the 6900-7000 area. with the new gear ill probably shift at 6500 as the rpms are only dropping about 8-900 on the shifts.
Old 11-27-2012, 01:31 PM
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Nice what does the car weigh?
Old 11-27-2012, 01:34 PM
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2900lbs with me in it. The car is on e85.
Old 11-27-2012, 01:57 PM
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dang! awesome! im in for the results of the gear change! 3.89s with 2900lbs! i bet the 3.54s put you in the 8s...
Old 11-27-2012, 01:59 PM
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That is an amazing setup, and really amazing how composed and drama free a 9.1 second run can be! Wow!!

Good luck for the 8s yet this year!
Old 11-27-2012, 02:31 PM
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Thanks guys. The car looks like a 14sec car when it leaves. Wish I could get a tiny bit of air under there...but I highly doubt that will ever happen.
Old 11-27-2012, 02:37 PM
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How are you liking that auto haha
Old 11-27-2012, 03:24 PM
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Holy crap! That's awesome man
Old 11-27-2012, 04:15 PM
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The auto is definately better for drag racing. There is a lot going on at the line but nothing down the track. I guess I like anything that makes the car faster.
Old 11-27-2012, 06:42 PM
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No transbrake?
Old 11-27-2012, 07:12 PM
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Yes. It has a transbrake. The trans was built by jp outlaw on yb. Has the basic th400 upgrades and has a full reverse manual valve body and a transbrake.
Old 11-27-2012, 07:21 PM
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Wow, congrats man... It will like the gear! Gives me hope! Lol
Old 11-27-2012, 08:34 PM
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Very nice.
Care to share how much timing your running?

My gto with a ls9 cam and a 4.8 with the gt45 went 135mph at 4000lbs. 16-17psi too.
Old 11-27-2012, 08:41 PM
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Congrats, you are right, it looks like a 14 sec car off the line, haha.
Old 11-27-2012, 08:55 PM
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that thing is doing work! what size tire were you running?
Old 11-27-2012, 09:12 PM
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Very nice, congrats!


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