Suspension rear wheel drive conversion dodge daytona - Page 18 - Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more!

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post #256 of 336 Old 03-05-2017, 07:12 AM Thread Starter
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Re: rear wheel drive conversion dodge daytona

LaserDad,

You'll need the following: all these parts I sourced from Ebay

- 2x Banjo Bolt M12x1.25mm to 4AN fittings
- 2x M12x1.25 to 4AN straight fittings
- 2x 4AN straight to 90 degree braided stainless lines (roughly the same length as the hard lines you currently have)

Background: When Unisteer rebuilds the rack and flips the center tube 180 degrees to put the ports on the bottom of the rack (allows us to get the rack closer to the oil pan) they will return the rack with hard lines just like the factory. I would've preferred to leave the hard lines, but where the lines curve to connect to the rack stuck down below the oil pan so the only reason I do this conversion is to gain ground clearance.

Hope this helps
Tom
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post #257 of 336 Old 03-10-2017, 06:17 PM Thread Starter
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Re: rear wheel drive conversion dodge daytona

UPDATE: 10 MAR 17

I received the factory clutch pedal from 89TonaVa and the blank aluminum 1/2 plate.

- Marked and drilled vacuum booster holes. Tapped to 8mm 1.25mm which is the stock thread. Used bolts for now but plan to put in threaded studs
- Marked and drilled master cylinder holes. Tapped to 8mm 1.25mm and mounted factory brake master cylinder
- Marked and drilled 1 3/4" hole in firewall and plate for Wilwood clutch master cylinder, tapped mounting holes to 8mm 1.25mm
- Made a U shape bracket that attaches to the back of the factory clutch pedal and attached female spherical rod end
- Installed aluminum adaptor plate, brake and clutch master cylinder

I need to remove the clutch master cylinder and shorten the rod since the pedal does not go to the floor, but I think even after taking an inch out of the rod the pedal will never really make it to the floor and it will most likely just bottom out the cylinder. I'm good with that as long as it looks close. Once that's complete I'll add brake fluid and bleed both the brakes and clutch

With any luck this will be the final chapter in the clutch saga

Tom
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post #258 of 336 Old 03-11-2017, 08:11 PM Thread Starter
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Re: rear wheel drive conversion dodge daytona

UPDATE: 11 MAR 17

Well... clutch works beautifully! Unfortunately there is still an issue with the drive by wire. The car still won't accelerate more than 1/4 throttle. Still working with Chris at Hotwire to figure this out. It's odd since I've built 2x other cars with this set up and they ran awesome. I'm sure we'll get it.

After 4 long years... it was nice to go for a ride today. Even though I couldn't accelerate hard, I was really impressed with how smooth the car felt. The steering was just like my 1992 Daytona and the suspension was firm, but not bouncy. First impression is this car is going to drive amazing.

I also adjusted the rear suspension up 1/2" today. Not sure why modern lowered it so far, I'm guessing because they were playing with pinion angle, but it was so low I had very little up travel in the shock. There is a lot of adjustment in the front and rear suspension with this set up and I'm sure I'll be spending a lot more time getting the best balance between street and track settings.

We're so close... this is by far my best version of this conversion. This car has all the best drive ability characteristics of a stock Daytona, but with 2-3x the power!

Tom
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post #259 of 336 Old 03-12-2017, 03:44 PM Thread Starter
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Re: rear wheel drive conversion dodge daytona

UPDATE: 12 MAR 17

I got it!!

Sometimes gut instincts are right. After checking every vacuum leak I could I decided to disconnect the speedometer pick up at the transmission and viola!! Accelerates in every gear!!


Now... what do I need to do so I can re-connect the speedometer???


Truly a banner day... well got to go I'm going out for a drive!!!

Tom
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post #260 of 336 Old 03-13-2017, 07:04 AM Thread Starter
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Re: rear wheel drive conversion dodge daytona

UPDATE: 13 MAR 17

As expected the factory clutch pedal wasn't strong enough to handle the additional load the hydraulic clutch cylinder put on it so it bent. Took the clutch peddle out, straightened it and have a plan. That is why I had made a custom peddle before, but in the spirit of giving folks an opportunity to re-use as many factory parts as possible I went back to the factory peddle. The inside dimension of the peddle is 1 1/8" so I ordered 12" of Alloy Steel 4130 Round Tubing, MIL-T 6736B, 1-1/8" OD, 1.009" ID, 0.058" Wall. Ultimately, I'm happy I went back to the factory peddle since it will still look stock when I'm done.

Once I receive the tube I'll send pictures of how I'll use the tube to strengthen the clutch peddle.

Even though I still have a bunch of little things to sort out I can't even put into words how happy I am with how the car drives. Really impressed with how this car drives, keep in mind my daily drivers are a 1992 5-speed IROC Daytona and a 2015 6-speed Hellcat, so when I say it's well balanced I'm comparing it against what it was originally and what's available today. I have to give credit where it's due, Lee did a really nice job sorting out the front end geometry.

The drive yesterday also revealed another "issue". All this time of moving the car around with the clutch not fully disengaged took it's toll on the clutch. I noticed under hard acceleration the clutch slips... Certainly something I'll have to address, but I'm going to drive the car for awhile first!

Tom
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post #261 of 336 Old 03-13-2017, 08:19 PM
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Re: rear wheel drive conversion dodge daytona

What did you figure out with the speedometer?
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post #262 of 336 Old 03-14-2017, 09:46 AM Thread Starter
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Re: rear wheel drive conversion dodge daytona

gkcooper,

Pretty sure we have an idea. The harness came with a 3 wire speedo sensor for GM (miscommunication when we built the harness), because I have a Viper 6-speed we had to convert the connector to a 2 wire sensor for the Viper trans.

One of the 3 wires is a 5v power wire and we tried to use it for power, but that's confusing the computer. I haven't had time to get under the car and confirm, but we think the Viper trans will require a separate 12v power then we'll only use the signal wires from the harness. Once I confirm I'll have more details.

In the future I plan to go to the GM variation of this 6-speed since it puts the shifter 3" further back so the harness I have will work great. Ultimately Chris's team built what they thought I needed vs. what I currently have. If we had caught it up front they could have easily made the harness differently.

Tom
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post #263 of 336 Old 03-15-2017, 08:25 PM Thread Starter
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Re: rear wheel drive conversion dodge daytona

UPDATE: 15 MAR 17

Reinforced the clutch pedal and I'm really happy with how it came out. Much better, very smooth now. I tried a higher mount, but found the original location worked best. (pictures attached)

Also set up a cold air intake using the factory evap canister location as my filter location. Running flex duct for now but eventually will make a nice duct from aluminum.

Probably time to put the front end back on so I can put some miles on the car!

Best wishes
Tom
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post #264 of 336 Old 03-17-2017, 12:23 PM Thread Starter
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Re: rear wheel drive conversion dodge daytona

UPDATE: 17 MAR 17

Reassembled the front end of the car last night. Got all the lights etc working again. Went for a short drive last night surprised how much brighter the headlights are compared to the 1992. Turned out to be a nice day today so I've been putting a few more miles on the car.

Bedded in the brake pads today and surprisingly for using the stock master cylinder with no vacuum booster the brakes are really good. Pretty sure that has to do with the fact the car has 13" front and 11" rear rotors, which is a lot of brake for this car.

Plan to keep driving the car and working through all the little issues that will surface. Next two focus areas will be getting the speedometer working and powering the reverse lock out solenoid when the brakes are on to make it easier to get into reverse.

Took some pictures out in the driveway. Once the car is done I'll get it painted, but still looks good to me!

Tom
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post #265 of 336 Old 03-17-2017, 02:45 PM
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Re: rear wheel drive conversion dodge daytona

Ya know...if you didn't know, you wouldn't know. What a total sleeper! I am sure every Stang' and Marro' and just about anything else would be wanting to give you a go from the light but what a mistake that would be if you were racing for pink slips. This project harkens me back to the day of the V8 Vega which would be near as nice a ride but like this Hemi Daytona, it's got a lot of energy! Good show....real good show.
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post #266 of 336 Old 03-17-2017, 06:22 PM
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Re: rear wheel drive conversion dodge daytona

You really need to do a video of it running ! Would love to hear sound of 8 cylinders plucking away under the hood of a Daytona.
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post #267 of 336 Old 03-17-2017, 06:45 PM
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Re: rear wheel drive conversion dodge daytona

Quote:
Originally Posted by 89tonava View Post
you really need to do a video of it running ! Would love to hear sound of 8 cylinders plucking away under the hood of a daytona.


really...
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post #268 of 336 Old 03-17-2017, 07:18 PM
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Re: rear wheel drive conversion dodge daytona

Really Really ! I dont mean In the garage either . Something like sitting at a light ready to pounce ! Or even in the drive way with a little gas peddle action .
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post #269 of 336 Old 03-18-2017, 01:33 PM Thread Starter
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Re: rear wheel drive conversion dodge daytona

UPDATE: 18 MAR 17

ILIKESHELBYS: Great to hear from you! It is quite the sleeper!

89TonaVA: I plan to!

I finally had a chance to check out the speedometer wiring today. I sent the color codes to Chris and we'll see what he recommends.

Wired the reverse lock out to the brake switch. Figure I'll have the brakes on before going into reverse and it works great!

Set the ride height on the car. 26" in front and 27" in rear. Interestingly enough I had to pre-load the drivers side coil overs more than the passenger to get the car level. Especially the drivers front. Not 100% sure why that is, but once I drive it some more I'll see if it's an issue. I will say the BC coil overs I got from Rich Bryant are worth every penny. Thanks Rich!! Having the ability to separately adjust ride height and spring tension along with camber and dampening makes them super tunable. "

I've put about 100 miles on the car and mechanically things are going pretty well. I did have to drop the rack to get at the PS pump pressure banjo fitting to fix a small leak. I also had not put a vent tube on the rear axle so I made a hose that runs up to the frame.

Now for the slightly bad news. The front cross member needs 1x more tweak. The wheels are too far forward by 1/2", doesn't sound like much. but it's enough that the front wheels rub on the fender when turning. I confirmed using the 87 Shelby Z I'm restoring. At the points I measured the wheel opening is 29" and on the 87 the centerline of the hub is at 14.5" on the V8 car it's 15". Additionally there is 2 1/4" of space behind the wheel and 1 1/4" in front. I have a plan though so no issue.

Thank you all for your support!!
Tom
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post #270 of 336 Old 03-18-2017, 04:37 PM
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Re: rear wheel drive conversion dodge daytona

Hey Tom. Aren't you scared the engine will suck that intake hose flat at WOT?
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