Conversions & Swaps LSX Engines in Non-LSX Vehicles
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25.5 Mustang Coupe project.

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Old 12-28-2010, 12:33 PM
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Wow that thing is WHICKED nice!!!!
Old 12-28-2010, 12:54 PM
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Originally Posted by LSmonster
I've owned several Fox Mustangs, but never a Coupe. And since I had a spare engine from another project that I was not going to use, I decided to put it to good use and build this car; 1993 Mustang Coupe.

Attachment 227567
Nice mustang and fab work,one of my favorite mustang bodys, light weight. It only weighs from the factory the LX 2,751 pounds manual and 2,794 pounds auto.
What is the curb weight going to be?
With the right combo you can be in the 8 s"

Last edited by C/Performance; 12-28-2010 at 03:37 PM.
Old 12-28-2010, 01:29 PM
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Originally Posted by C/Performance
Nice mustang and fab work,one of my favorite mustang bodys, light weight. It only weighs from the factory the LX 2,751 pounds manual and 2,794 pounds auto.
What is the curb weight going to be?
Thanks. And if curb weight is the same as race weight but without the driver, then I guess that would be 2,730-ish... That's with two nitrous bottles and all the make it go stuff. I weigh 190 lbs which brings the race weight to 2,920
Old 12-28-2010, 02:47 PM
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Looks awesome!! Have you weighted it yet or guessing?
Old 12-28-2010, 03:15 PM
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Originally Posted by Clean94Z
Looks awesome!! Have you weighted it yet or guessing?
The above numbers are the actual weight numbers on scales. The only "ish" part is a 1/2 tank vs. a full tank gas... Right now it has a 1/2 tank of gas so when it's full (5 more gallons) it will weigh a little more than the above numbers...
Old 12-28-2010, 07:34 PM
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Really clean, the carpet adds a nice touch.

Do you know if the minitubs will work with a back seat?
Old 12-28-2010, 07:39 PM
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Originally Posted by c/performance
nice mustang and fab work,one of my favorite mustang bodys, light weight. it only weighs from the factory the lx 2,751 pounds manual and 2,794 pounds auto.
What is the curb weight going to be?
With the right combo you can be in the 8 s"
someone lied too you... I've never saw one that light from the factory.mine weighs 3050 with no back seat, smog, and ac. I think the coupes were somewhere around 3200 from factory.

Awesome looking coupe though.
Old 12-28-2010, 09:04 PM
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im 160, i have an iron block and turbo crap. 3250
Old 12-28-2010, 09:47 PM
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Now that weight numbers are flying. I'm at 2820 with me in it. Two poly seats, 6 gl of gas, pw, pl, all glass windows, alm ls1. I think my motor is just shy of 600 fwhp, it traps 132-134 at low 10's.

With your mph you will be in the 9.70's real soon. My car will cut 1.36-1.38 60' on a 4500 converter and leaving at 4000 on the brake NA.

What tire size you running?
Old 12-29-2010, 12:38 AM
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Originally Posted by ponjohn
Really clean, the carpet adds a nice touch.

Do you know if the minitubs will work with a back seat?
I'm not sure. I have so many bars back there is was not even an option, BUT I was able to reinstall all the plastic back there so... I'll look it over tomorrow and get back to you...
Old 12-29-2010, 12:56 AM
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Originally Posted by JRracing
Now that weight numbers are flying. I'm at 2820 with me in it. Two poly seats, 6 gl of gas, pw, pl, all glass windows, alm ls1. I think my motor is just shy of 600 fwhp, it traps 132-134 at low 10's.

With your mph you will be in the 9.70's real soon. My car will cut 1.36-1.38 60' on a 4500 converter and leaving at 4000 on the brake NA.

What tire size you running?
I still have all the glass too, and power windows. And I'm sure the dry sump system adds a few extra pounds. That and two nitrous bottles (50 lbs) and enough bars for a 25.2 & 25.3 cert. If I lost the factory trunk lid and that silly spoiler, replaced the glass for lexan and lightened up the doors (they weigh 75 lbs each) and got carbon fiber nitrous bottles, I could probably get it down to 2850 or less, race weight...

And the tires are 28" (325-15 M/T DR) On the T/B it will stall about 4200-ish... It's pretty tight because it's a nitrous converter. On the bottle it should got to 5500. My best time N/A was 9.82 @ 139.45 - 1.42 60' with only 25* total timing. And I had some arcing issues inside the distributor so I'm hoping with more timing and no more arcing I think it will go 140+ and 9.70-ish N/A... But it's really set up for the bottle and that's where it "should" shine. And if the weather holds, I should be able to get some passes on it this weekend.
Old 12-29-2010, 08:49 AM
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Originally Posted by thirian24
awesome car, and very nice work.
The fabrication level is amazing... This car is beautiful.
+1
....
Old 12-31-2010, 12:12 PM
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^^^Thanks guys!^^^ And here's the required NHRA "oil containment device" that I had to add. It's sucked up to the K--member so nothing's lower than it originally was, save for the .063" material thickness of the pan. It's easy to remove and light weight so no bother to deal with when working on the car. There's not much oil in a dry-sump pan but I had to add it anyway... Rules are rules and there was no way to get a diaper on this thing.




Old 01-01-2011, 01:18 AM
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I like that pan. Nice work.
Old 01-02-2011, 01:55 AM
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i love this car!!!!!! keep up the good work
Old 01-02-2011, 06:12 AM
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Why do you have to have the oil containment device? What et requires this? Or is it part of the 25.5 cert?
Old 01-02-2011, 12:55 PM
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Originally Posted by Cam72aro
Why do you have to have the oil containment device? What et requires this? Or is it part of the 25.5 cert?
I lot of classes now require a engine blanket or belly pan <(Oil containment device) Some say it's mandatory on any car running 9.99 or quicker, but it doesn't stay that "specifically" in the NHRA rule book so I'm not sure about that... I know eventually I'll be going to need one somewhere so I started the process of getting one on the car to avoid any hassle at the track... Whatever track that might be.

This car is now certed to 25.2 & 25.3 specs. And no matter what the cage cert is, that stuff has nothing to do with a oil containment device. This kinda stuff falls under the safety rules like over flow bottles, window nets, tranny blankets, SFI flywheels, yada, yada... Every year they add something new and it gets more expensive and harder to incorporate. I understand the need for safety, but some of this stuff... Well, that's a thread for another day.
Old 01-02-2011, 01:00 PM
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I agree, it is a good idea. I don't remember it being required when I had my s10 a few years back but could see that they added it. Car looks great 9.70 or so is fast without the bottle. My s10 went 10.90 on motor then sprayed 250 through the fogger it went 8.83. Converter was tight as hell, would only go 3800 on the brake. I see 8.30's in you future.
Old 01-16-2011, 12:38 PM
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I tried to make some nitrous passes this weekend but had problems. I got two short passes before I called it a day. Both passes were small hits with one 1/8 mile pass turning a 5.83 @ 120.36 MPH with a 1.36 60' foot. And the second pass was looking even better until my nitrous solenoids stopped working and the engine flooded. That pass is in the video below. The 60' on that pass was 1.26... <I'm pretty happy with that because there's more to come in that area.

http://www.youtube.com/watch?v=ji2Ej..._order&list=UL
Old 02-13-2011, 07:15 PM
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New personal best: My 60' time was a little off @ 1.32, but it still ran a 5.69 @ 124.14 1/8 mile and a 8.86 @ 154.96 1/4 mile. Only got to make the one pass, and the bottle was cold and half full. I think it will run back in the 120's 60' and somewhere between 8.60-8.70 with a full and proper pressure bottle. I'll know next weekend because I'm going to try it again.

(250 HP shot. At the line weight right at 3000 lbs)


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