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post #1 of 47 Old 08-20-2012, 02:42 PM Thread Starter
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Test Passes 08/17

So after some changes on my coupe and some dyno tuning, we decided it was time to hit the track and get some runs in. It has some more left in it with some more seat time. I only made two full passes because the factory worn out drum brakes weren't up to the task of stopping at 156MPh...lol So the next 2 passes were only 1/8 mile trying to see how much boost I can leave on. Best 60ft was a 1.35 and best 1/4 et was a [email protected] with a 1.5 60. Best 1/8th mile was a [email protected] with a 1.35 60. Here are some vids and timeslips.

First pass was 4psi on the brake and part throttle til abt the 1/8 then I mashed the gas down. You can hear the gate open up at half track...lol The guys though I left on 2nd gear....lol [email protected] 1.7 60ft
Lujan Motorsports Alex Turbo Mustang Boss306 PBIR 08/17 First Test Pass [email protected] - YouTube


Second pass I left on more boost, abt 8psi and part throttled it til abt the 330 mark. [email protected] 1.53 60 ft
Lujan Motorsports Alex Turbo Mustang Boss306 PBIR 08/17 Second Test pass [email protected] - YouTube


Third pass I left on more boost 12psi, the car hooked but I got out of the groove and spun tire so I let off but still managed a 1.37 60
Lujan Motorsports Alex Turbo Mustang Boss306 PBIR 08/17 Test Pass - YouTube

Fourth pass I left at abt the same boost but stayed in the groove and let off in the 1/8th. [email protected] 1.35 60ft
Lujan Motorsports Alex Turbo Mustang Boss306 PBIR 08/17 1/8 pass [email protected] - YouTube


Since the car kept getting better and better, I tried to raise the 2step 200rpm more but it flashed the converter and the boost climbed to abt 18psi. I still tried to launch it but the tires broke loose.
Lujan Motorsports Alex Turbo Mustang Boss306 PBIR 08/17 High Boost 60ft Test - YouTube

I backed the 2step down and tried to do a full 1/4 mile pass for the last run but the track started getting cold and resulted in tire spin.
The car ran perfect, nice and straight down the track, no leaks, no overheating, nothing. Going to take care of a few things, then heading back for some more hits and hopefully that 8sec pass


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post #2 of 47 Old 08-20-2012, 04:54 PM
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Very cool!


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post #3 of 47 Old 08-20-2012, 10:33 PM
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very very nice bud.. that thing looks lovely
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post #4 of 47 Old 08-20-2012, 11:17 PM
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Holy Crap!! That getting it done Alex.
I have drum brakes and factory replacement 4 cylinder fronts. I know what you mean about slowing it down and you are WAYYY faster than me.
Great job!!!

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post #5 of 47 Old 08-21-2012, 01:07 AM
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Take the porportioning valve out of the brake system and the brakes will stop you a lot better. Factory is 90/10 split with valve. Take valve out and goes more like 70/30 - 60/40. I did on mine because couldn't stop also so did this and stop pretty well now. Nothing great but a lot better with the drums.

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post #6 of 47 Old 08-21-2012, 08:49 AM Thread Starter
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thanks guys!!!

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post #7 of 47 Old 08-21-2012, 08:52 AM Thread Starter
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Holy Crap!! That getting it done Alex.
I have drum brakes and factory replacement 4 cylinder fronts. I know what you mean about slowing it down and you are WAYYY faster than me.
Great job!!!
thanks!!! On the 9.1 pass, I got a little freaked out, it didn't feel like it was going to stop but then at he end it did.
The track prep was crap since there was only like 20 cars out, you can see the concrete on one of the runs.
thanks again man

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post #8 of 47 Old 08-21-2012, 08:54 AM Thread Starter
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Take the porportioning valve out of the brake system and the brakes will stop you a lot better. Factory is 90/10 split with valve. Take valve out and goes more like 70/30 - 60/40. I did on mine because couldn't stop also so did this and stop pretty well now. Nothing great but a lot better with the drums.
that's the thing, I don't have any drum brakes left due to not having a line lock..lol 4yrs of burnouts at the track. I'm just going with some disc brakes in the rear and a line lock. Thanks for the tip tho, I didn't know abt that.

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post #9 of 47 Old 08-21-2012, 01:02 PM
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Sure thing. Works with the disk brakes as well so if still having stopping issues when convert try this before spend a lot of money on aftermarket crap that will not work any better. Good luck.

Rob
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post #10 of 47 Old 08-21-2012, 08:56 PM
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post #11 of 47 Old 08-23-2012, 12:08 PM
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Originally Posted by determendford View Post
Take the porportioning valve out of the brake system and the brakes will stop you a lot better. Factory is 90/10 split with valve. Take valve out and goes more like 70/30 - 60/40. I did on mine because couldn't stop also so did this and stop pretty well now. Nothing great but a lot better with the drums.
and thats all u did was take the valve out? im def gonna try this so i would like to know if there is anymore steps..
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post #12 of 47 Old 08-23-2012, 12:57 PM
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On the factory master-cylinder you have 3 lines coming out of it. the first 2 front go to the front brakes. First one goes to the passenger side front caliper and the middle one (2nd) goes to the driver front caliper. The rear line goes to the rear brakes. The factory (T) fitting on rearend to each drum brake cylinder. I just ties into the line that were going the the porportioning valve for the rear brakes and the passenger side front caliper. You will need to get a few adapter fittings and maybe a few new short brake lines to finish off but that about it. Takes less than an hour to do once have everything you need to do and no issues. First one I did took a few hours (lol) had to make 3-4 trips to the advance store to keep getting fittings and lines. Hope this helps.

Side note for more braking power you can get a master-cylinder from a dodge 4 door passenger car from 80s and can tie into system. Has larger pressure valves in it and has more stopping pressure. Only two lines coming out so for the front you (T) off to each front caliper and do the rear the same as the factory master-cylinder.

Sorry to hi-jack your post 93alexcoupe..

Rob
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post #13 of 47 Old 08-23-2012, 05:32 PM Thread Starter
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No worries lol good info here

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post #14 of 47 Old 08-23-2012, 10:15 PM
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Hell yeah, congrats bud that thing has 8s written ALL OVER IT!!

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post #15 of 47 Old 08-24-2012, 01:02 AM
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Hell yeah, congrats bud that thing has 8s written ALL OVER IT!!

-CE
This. 156mph is crazy fast. I bet that thing comes on like an ANIMAL.
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post #16 of 47 Old 08-24-2012, 05:57 AM
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Awesome work man! A real credit to ya.
As said above, 156mph! Wow!
Would have loved to see that last pass which went 5.7 to the 1/8th go to full track!

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post #17 of 47 Old 08-24-2012, 12:21 PM
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thanks determinedford much apprciated.. gonna try it out..

Alex if that thing ever hooks at high boost ur gonna be in the 7ss mark my words.. Thats super nasty for a street driven car... And side note let me know when u do ill come put some money on u ..lol Thanks for the help..
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post #18 of 47 Old 08-25-2012, 01:53 AM
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I think you will have something for Kiko with a clean pass.

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post #19 of 47 Old 08-25-2012, 05:21 PM Thread Starter
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Hell yeah, congrats bud that thing has 8s written ALL OVER IT!!

-CE
thanks man, I'm hoping for that the next time out. The 5.7 pass would have been an 8, I should have kept going...lol

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post #20 of 47 Old 08-25-2012, 05:23 PM Thread Starter
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This. 156mph is crazy fast. I bet that thing comes on like an ANIMAL.
Yes it is..lol big difference stopping that thing. It comes on like an animal right around the 330 but its a nice smooth pull.

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post #21 of 47 Old 08-25-2012, 05:24 PM Thread Starter
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Awesome work man! A real credit to ya.
As said above, 156mph! Wow!
Would have loved to see that last pass which went 5.7 to the 1/8th go to full track!
Thanks!! Believe me I wanted to go full track.

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post #22 of 47 Old 08-25-2012, 05:28 PM Thread Starter
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thanks determinedford much apprciated.. gonna try it out..

Alex if that thing ever hooks at high boost ur gonna be in the 7ss mark my words.. Thats super nasty for a street driven car... And side note let me know when u do ill come put some money on u ..lol Thanks for the help..
Lol.....I think I can leave on 15-16lbs if the track is prepped, that night was a regular TNT night and there were only 20cars at most. They don't prep it for that little amount. I was happy to even get a 1.35 60.

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post #23 of 47 Old 08-25-2012, 05:31 PM Thread Starter
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I think you will have something for Kiko with a clean pass.
IDK Kiko's car is pretty fast and there's more left in that coupe. At the last track rental, we kept playing with the AMS and it just kept getting faster and faster. We are trying to set something up so all of us from the Lujan crew goes to the track.

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post #24 of 47 Old 08-25-2012, 06:01 PM
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What tire, gear, and fuel are you running?

How much boost on the back 1/2?

Thats right where I would like to be!

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post #25 of 47 Old 08-25-2012, 08:11 PM Thread Starter
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Mickey et radial pro, 3.08, e85, the boost i didnt look at on my log but my AF was rich at 10.4 and timing was low at 15deg.

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post #26 of 47 Old 08-25-2012, 09:56 PM
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Mickey et radial pro, 3.08, e85, the boost i didnt look at on my log but my AF was rich at 10.4 and timing was low at 15deg.
15* That thing will be a handfull when you put 20* to it.
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post #27 of 47 Old 08-25-2012, 10:02 PM
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Mickey et radial pro, 3.08, e85, the boost i didnt look at on my log but my AF was rich at 10.4 and timing was low at 15deg.
Haha, that thing hasnt even woken up yet!
As above, i hope your prepared when you get that timing up towards 20* and take some fuel out!

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post #28 of 47 Old 08-25-2012, 10:27 PM
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what suspension and tires?

that thing is haulin ass

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post #29 of 47 Old 08-25-2012, 10:40 PM Thread Starter
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I was surprised when i saw my AF and timing.

Suspension is UPR K member 175lb coilovers with strange 10 way strut. Pro Series upper and lower control arms, antiroll and strange 10 ways. Tires are Mickey et radial pros.

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post #30 of 47 Old 08-25-2012, 11:26 PM
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You need to do what my brother did a month ago.Get the dual caliper Aerospace kit.We were at a TNT last night and he ran his best and it's very close to your run.He went 9.17 @ 155.96 with a 1.53 60' and a 5.93 1/8th.His combo is a 326 topped w/ afr 225 heads and a gt 4708r 80mm.He said he never would have been able to slow the car down w/ the drums and probably would have needed the chute.We're still trying to get some decent runs and data from the runs before we add timing also.
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post #31 of 47 Old 08-26-2012, 01:07 AM
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I was surprised when i saw my AF and timing.

Suspension is UPR K member 175lb coilovers with strange 10 way strut. Pro Series upper and lower control arms, antiroll and strange 10 ways. Tires are Mickey et radial pros.
thanks for the info...I'm trying to see what I can so on my stock-ish suspension...and than take mine out for some passes

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IDK Kiko's car is pretty fast and there's more left in that coupe. At the last track rental, we kept playing with the AMS and it just kept getting faster and faster. We are trying to set something up so all of us from the Lujan crew goes to the track.
Kiko's car is very fast, but your car is very fast also. The Lujan crew is fast! LOL

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post #33 of 47 Old 08-26-2012, 11:39 AM
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Originally Posted by 93alexcoupe View Post
Mickey et radial pro, 3.08, e85, the boost i didnt look at on my log but my AF was rich at 10.4 and timing was low at 15deg.
Thanks bud, wow that thing is on a SUPER soft tune! I see some new PB's coming again very soon for you!

Gettin to it!

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post #34 of 47 Old 08-26-2012, 05:18 PM Thread Starter
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Kiko's car is very fast, but your car is very fast also. The Lujan crew is fast! LOL
Lol thanks!!

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Thanks bud, wow that thing is on a SUPER soft tune! I see some new PB's coming again very soon for you!

Gettin to it!
No problem man, thanks!!

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