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Old 02-02-2012, 09:49 AM   #1 (permalink)
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Default Winter "improvements"

Well, after a year of working out bugs, and breaking things at the track, the car went 11.3@121. I got kicked off for not having a roll bar, so in my normal fashion, I had to make some changes .

I had just started twisting the stock axles, so it was time for the rear to get some attention. I also ripped the spring perches off of the car at the track last year, which tore some stuff up. It bent the pinion gear, so I also put some new 3.70s and a Detroit locker in place of the 4.10s and spool.

Here is the stock axle just starting to twist



Here are my Moser 35 splines, 3.70s, and Detroit locker.


I got tired of having to keep the car moving to keep it cool, so I ditched the stock radiator, with the electric fan I added, for a 4 core aluminum radiator, and a bigger fan.



I fought with the toploader all year, and did end up making some decent passes with it, but as the car becomes faster, the toploader becomes even more of a pain to get working. Since the car is also becoming bottle fed, missed shifts are no longer an option, so out goes the 4 speed, and in goes the C4.

The last pass the car made was its fastest, and as you can see, the clutch was not happy.




Just based off of this, I'm sure the car has more in it.

The new setup is a PA Supercomp C4, Pro transbrake upgrade, Neal Chance converter, and a B&M Prostick shifter. It has a PA blowproof bellhousing, and a scattershield.








So, since I've got a driveline that's going to put up with some abuse now, I may as well go ahead and abuse it.



The plate and solenoids are mounted, along with the fuel pressure regulators.



I bought a module from a guy that simplifies wiring the transbrake and nitrous to all work together. Since the nitrous is on a WOT switch, it needs to not spray while I'm at the line on the Tbrake, and when I release the button, it has to release the brake, energize the nitrous/fuel solenoids, and retard the timing. It requires a few relays and a some thought. It also has to not retard the timing when the solenoids aren't activated, for motor passes. I'm still in the wiring phase, but it's coming along. It should be nice and clean when all finished.






And since I got booted before, for not having a cage, and the car is obviously going to be a little quicker now, here is the solution.











Since this is still a street car (lol), the door bars are swingouts and they're also removable, so I can leave them out, until I go to the track. The crossbar is also removable, so my kids can ride in the back.


Now, even though the car is becoming heavily modded, I still want to keep it a modified stock style, so it's staying full interior. I'll still have the stock console, radio and all that junk. To stay true to it being a street car, I don't want a racing seat, but I need a 5 point harness. My solution was to have my stock seat modified to work, so to be as safe as possible, we took the cover off and welded multiple braces inside the frame to strengthen it. There is also a tab welded to it, so it can be attached to the crossbar, but the most noticeable change to it, is how I had it modified for the harness.





It seems that car is a constant evolution now. I hope to have it on the road this week, but there is still a lot of wiring to. Then all the interior has to be fit back in around it. There's a lot to do, and the track opens in two weeks, so I need to get it on the road to start working bugs out, because I'm sure there will be some. Hopefully this turd moves down the track well.

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Old 02-02-2012, 09:51 AM   #2 (permalink)
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Old 02-02-2012, 10:43 AM   #3 (permalink)
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Nice work. You've definitely been busy!
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Old 02-02-2012, 01:45 PM   #4 (permalink)
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Wow that should make quite an improvement..Especially on the spray. I did not know you could have a bolt on cross bar in the roll cage?..That is the one feature of a cage that ruins a "street car" as it makes the back seat pretty much useless...I would love to hear more details of your combo the way it was as our 1/4 mile mph is about the same and I am striving for low 11 second ETs with mine...My track has the cutoff point for a rollbar at 11.00 so I am not looking to go beyond that at this time although I would love a 10.99 timeslip in the glove box.
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Old 02-02-2012, 02:18 PM   #5 (permalink)
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The removable crossbar actually isn't NHRA legal, but I'll take my chances with it. I'd say tech will never say anything. At any NHRA sanctioned track, you have to have a roll bar at 11.49, and a 4 point at 10.99.

It's just a 408, TW185s that have had some work done to them, Vic Jr, bullet HR, and a pro systems carb.

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Old 02-02-2012, 02:39 PM   #6 (permalink)
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You sure that 6 point is gonna pass tech......
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Old 02-02-2012, 02:51 PM   #7 (permalink)
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It's an 8, and the only thing that wouldn't pass tech is the crossbar. But yep. I'm pretty sure it'll be fine.
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Old 02-02-2012, 04:45 PM   #8 (permalink)
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Quote:
Originally Posted by sportsroof69 View Post
. At any NHRA sanctioned track, you have to have a roll bar at 11.49, and a 4 point at 10.99.

.
Do you mean a 6 point at 10.99?..I think a basic roll bar would be a 4 point?
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Old 02-02-2012, 04:54 PM   #9 (permalink)
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Quote:
Originally Posted by frdnut View Post
Do you mean a 6 point at 10.99?..I think a basic roll bar would be a 4 point?
Yeah, I think you're right.
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Old 02-02-2012, 05:22 PM   #10 (permalink)
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6 point bar at 11.49 and 4 point harness at 10.99 last time I looked.

test and tune days/track rentals are usually a little more laid back on the rules which is why that's when I go
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Old 02-02-2012, 05:31 PM   #11 (permalink)
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Quote:
Originally Posted by dodgestang View Post
6 point bar at 11.49 and 4 point harness at 10.99 last time I looked.

test and tune days/track rentals are usually a little more laid back on the rules which is why that's when I go
Yes the last time I was at the track the only thing the tech guy was concerned about was that I didn't have a double return spring on the carb...Didn't ask how quick it was or even look underneath the car.
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Old 02-02-2012, 05:43 PM   #12 (permalink)
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If they give me much heck over the crossbar, we will just weld it in. I'm just aiming for low 10s on the bottle, because it gets real expensive when you go 9.99.
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Old 02-02-2012, 07:41 PM   #13 (permalink)
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Don't forget to put pading on the roll bar by you head. I went all the way to the track only to be told I could not run with out the pads. Some tracks require you to have little holes so they can check thickness of the tubing.
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Old 02-02-2012, 08:36 PM   #14 (permalink)
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I've ordered my SFI rollbar padding. It's just not here yet.
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Old 02-05-2012, 08:12 AM   #15 (permalink)
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Damn Sure looks like fun...
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