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SFI 25.2 Mustang/LSx build "The Renegade"

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Old 11-21-2009, 02:57 PM
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what about trying the Moran injectors? would it cost the same as the upgrade?

corrected, I don't know why I wrote lifters??

Last edited by defbob; 11-28-2009 at 08:19 AM.
Old 11-21-2009, 11:54 PM
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Originally Posted by Phil99vette
We'll have Big stuff 3 upgrade the box to run the 16 injectors. We're hoping that adding a 2nd set will get the duty cycles down into the 40% range getting it back into sequential fire.
are you going to be able to bring in the extra set based on boost?
Old 11-24-2009, 03:14 PM
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The 2nd set of injectors will come on a a certain duty cycle, when they get over say 50% the 2nd set will come on.

The car is back down to the bare chassis, I'm getting ready for the 25.2 chassis change over. If you guys need any chromoly "Dillsburg aircraft works" in PA is the place to go. They've got all the tubing in stock and way cheaper than anyone I have found. I'm going to keep the rear structure and just switch the floor over to the 25.2, add the roof gussets and the 2nd diagonal on the roof, we'll be good to go @ 3000# and 6.00s. It might spec for a 25.3 but not really concerned since we'll never race over 3200. I'm also going to remove the current driveshaft loop and add 2 tubular ones.

I'm also going to pull the steering column and make one, the factory column weighs 15#, the new one should weigh less than 3# total.

Madman got the mounts to my shop for the lexan windows and the carbon fiber doors, they should take a TON of weight off the car. As far as weight reduction, I've found somewhere between 58-63 places that I can cut or remove sheetmetal to lighten the combo without losing strength. Should be interesting next year @ 3000# instead of 3285.
Old 11-24-2009, 03:14 PM
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The 2nd set of injectors will come on a a certain duty cycle, when they get over say 50% the 2nd set will come on.

The car is back down to the bare chassis, I'm getting ready for the 25.2 chassis change over. If you guys need any chromoly "Dillsburg aircraft works" in PA is the place to go. They've got all the tubing in stock and way cheaper than anyone I have found. I'm going to keep the rear structure and just switch the floor over to the 25.2, add the roof gussets and the 2nd diagonal on the roof, we'll be good to go @ 3000# and 6.00s. It might spec for a 25.3 but not really concerned since we'll never race over 3200. I'm also going to remove the current driveshaft loop and add 2 tubular ones.

I'm also going to pull the steering column and make one, the factory column weighs 15#, the new one should weigh less than 3# total.

Madman got the mounts to my shop for the lexan windows and the carbon fiber doors, they should take a TON of weight off the car. As far as weight reduction, I've found somewhere between 58-63 places that I can cut or remove sheetmetal to lighten the combo without losing strength. Should be interesting next year @ 3000# instead of 3285.
Old 11-30-2009, 12:16 PM
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Had a slow weekend, Shawn from Virginia Speed loaned a tubing bender to finish up the 25.2 and a plasma cutter. Got the bender mounted to the floor and wired up the plasma cutter.

This morning I got the passenger side sub/frame cut out and the 1 5/8" frame rail bar welded in place with 1/8" CM chassis tabs.
Old 11-30-2009, 12:16 PM
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Had a slow weekend, Shawn from Virginia Speed loaned a tubing bender to finish up the 25.2 and a plasma cutter. Got the bender mounted to the floor and wired up the plasma cutter.

This morning I got the passenger side sub/frame cut out and the 1 5/8" frame rail bar welded in place with 1/8" CM chassis tabs.
Old 11-30-2009, 12:53 PM
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pics?
Old 11-30-2009, 12:55 PM
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Coming shortly...
Old 11-30-2009, 02:14 PM
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It's killer that you've done so much of it on your own... I commend your effrots even farther then most, guys like me that are stuck using chassis shops envy your abilities.
Old 11-30-2009, 03:45 PM
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Thanks, There is nothing exotic about my parts, most of the crap is made with a 4 1/2" grinder, chop saw or my POS tubing notcher from Harbor freight. I'd be scared to see what I could make if I actually had decent tools. I think I've got just under $350 in materials for the 25.2, steering column and the remainder of the chassis stuff.
Old 11-30-2009, 03:59 PM
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Jesus. I wish I was closer to you guys... I'd be more then willing to help and BUY a couple good tools and help just to gain the knowledge to be able to do it myself.

Hell if that's all you have in mat'l, the 40 feet of 3/4 inch round bar and tabs I need is probably like 250 bucks, and with that I could do the 4 grand worth of work on the front end of my sled.


Keep the pictures coming, it's nice to watch this stuff come together, and see how the real racers, the ones that build their own stuff from scratch make their masterpieces.
Old 11-30-2009, 04:54 PM
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Thats how I started, dropped the coin on the tools that were needed and just worked though it. I kinda taught myself how to weld, asked alot of questions and read a bunch of books. At the end of the day I really enjoy putting the cars together more than racing.
Old 11-30-2009, 09:41 PM
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Originally Posted by Phil99vette
At the end of the day I really enjoy putting the cars together more than racing.
gonna have to raise the BS flag on this one
Old 12-01-2009, 05:56 AM
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Originally Posted by Phil99vette
Thats how I started, dropped the coin on the tools that were needed and just worked though it. I kinda taught myself how to weld, asked alot of questions and read a bunch of books. At the end of the day I really enjoy putting the cars together more than racing.
I hear ya there. I enjoy turning a wrench as much as I do going to the track, hands down they both give me the same satisfaction.

I may just end up doing the same thing, only thing I worry about is cutting something off then not being able to redo it myself, or making a real mess of something.
Old 12-01-2009, 07:37 AM
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Originally Posted by JL ws-6
I may just end up doing the same thing, only thing I worry about is cutting something off then not being able to redo it myself, or making a real mess of something.
its all about progression

start with stuff that you don't care about....like scrap pieces and whatnot...then move to stuff that you're life don't depend on (things other than rollcage)...then when you start getting decent at it...then move on to the critical stuff
Old 12-01-2009, 09:17 AM
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Got both frame rails in....
Attached Thumbnails SFI 25.2 Mustang/LSx build "The Renegade"-img_04084.jpg  
Old 12-01-2009, 09:20 AM
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Blue tape is where the trans mounts will be.

Last edited by Phil99vette; 12-01-2009 at 12:05 PM.
Old 12-01-2009, 11:19 AM
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Wow I dunno if I have the ***** to cut that much

Looks good though, but man, the progress pic's of that kind of stuff are somewhat scary.... car REALLY gets cut up in the process!
Old 12-01-2009, 12:04 PM
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The center of the floor is next to get cut out. I'll work on the center X and the rear crossmember thursday and maybe the outriggers.
Old 12-01-2009, 12:08 PM
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phil you make me a lot less scared to do this. have you already dropped the names of the books you were referring to? this stuff is intriguing to me.


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