I finished up the mode select today. There were a couple small issues with the original circuit I came up with. I needed an extra diode to block feedback current in the re-circ circuit and I found that I can't drive two modes at the same time, thus I no longer have a feet/def function. I'll post a new schematic once I can update it at work.
I'm finally devoting some brain energy to the all electric firebird HVAC controller. The reason why I used relays is one, because I'm a mechanical engineer and I can understand relays because they are mechanical, and two, the current drop through the diodes is too much to be able to drive the motors, or at least two at once.
The pic I posted was from an electrical test of my harness. That dash is no where near as far back (towards the lower edge of the windshield) as it needs to be. As the A-pillars get wider at the bottom, the fit improves the further back you get the dash.
Still the left hand side is where you are going to have the most fittment issues. To get the dash in right there you probably have to squeeze in the dash to make room. It should not be wanting to crack the a/c vent though.
Make sure you remove the bezel from the gauges so that the dash is real flexible while you are getting it into position. Like I said the more the dash is pushed back the more room you have to work with from side to side.
Originally posted by jscott1: As a side note, the Fiero cluster does not have a "hot at all time" power connection to it. When I build my harnesses I add that. I never knew of a good reason for doing that before I just did it because that's what the drawing called for.
The stock Fiero rally gauge pod has an oil pressure gauge with a built in red warning light. In my 355 swap, I hooked up a new VDO pressure gauge with sender & I have a separate warning light in the main gauge panel. How does the Fiero warning light work? Will I have to hook up a dedicated sending unit to light up my dummy light?
Intersting thought (or so I think). What if I use the original Fiero dash part that goes form the windshield to the Firebird dash?
The fit from the windshield & defroster vents would be a perfict fit. Obviously I would have to stop/ modify where the dash curves up at the steeringwheel, but would give me a gerat fit at the windshield.
Regarding the filler piece between the dash and the windshield, the best fit that I have seen was with Roy's piece because it was custom made to fit in that spot and it fit perfectly.
1) If you use the Firebird part it will fit good at the dash, but then you will have to cut it to match the windshield.
2) If you use the Fiero dash top it will fit at the windshield, but it won't fit the dash, not even close. And the Fiero dash is all one piece, you would have to cut off the top and then try to clean up the edge that you just cut to match the firebird dash.
3) If you try and morph the two together it's going to be a mess.
By far the simplest of the three is option 1. The Firebird filler panel is some type of thin plastic. You can easily cut it to match the contour of the windshield. Then the only issue is the small corners where the A-pillar trim meets the dash. There will be small gaps there. Most people just glue down a little patch there or some little tweeters to cover it up.
I tried to morph the firebird panel with hand laid fiberglass and bondo and it delaminated and cracked all to pieces. If I could do it all over again I would just do #1 like everyone else.
[This message has been edited by jscott1 (edited 11-07-2006).]
Wow... Do those pictures bring back cold chills. The filler piece I made was not really that hard to duplicate if you've working with a donor car or the windshield is out of your's. If you look back at my build-up I think I go into pretty good detail on how it was made. But the Reader's Digest version is as follows:
- Cut 1" off of the front of the old dash and screw it into place along the windshield lip. - Mount the dash. - Make a masking tape dam filling the gap between the old dash piece and the Firebird dash. - Apply the fiberglass (one or two layers) hint remove the screws from the old section of dash before it sets firm). - Once set, remove the new piece, peel the masking tap and trim the fuzzys around the edges. - Slip the piece back into place and, from the top, mark the defroster vent holes using a Sharpie. Because the fiberglass is transparent, it will show you where you need to cut after you finish the next step. - Cover the Firebird dash and set the new piece into place. - Apply a liberal amount of fiberglass reinforced filler (like MarGlass) to add depth and strength and let it set up firm. - Remove the filler cut the defroster vent holes - Finish the piece using Bondo. - To get a really nice seal and fit, I speared filler all around the edges and set the dash back into place while it set up. - Remove the piece, finish sand and paint to match.
Blue 87 GT w/ 4th generation Firebird interior. Suncoast Fieros
Judged "Best Custom Interior" at the 20th Anniversary Show @ Pontiac, Mich - 7/2003 Judged "Best Custom Interior" at the 8th Annual Fiero Fun Weekend @ Daytona - 3/2004 Judged "Best Custom Interior" at the 9th Annual Fiero Fun Weekend @ Daytona - 3/2005
Original Firebird filler cut to fit (I transfered the shape along the windshield from the original dash). Cut some small shapes from the left overs from the firebird dash for the corners. The small parts where also heated with a heat gun and bent to match the curve of the dash. Note: you need to trim out a notch for the VIN tag:
through the windshield, kind of hard with the reflections:
[This message has been edited by Mickey_Moose (edited 01-23-2023).]
I thought that I'd throw in a few shots of my dash conversion project. The car is an '84 Fiero that is currently in the last throes of conversion to a 25th Anniversary Countach. The car came with a crappy, half-assed Countach replica dashboard. I could have lived with it except that the previous owner had plumbed the defrost vents into the fresh air intake... turn on the defroster and it would have sucked everything into the dashboard! I quickly pulled and scrapped the POS. I was seriously thinking about making up my own custom dash, but a trip to the junkyard yielded a nice '97 Grand Am dash in perfect shape for $90 CAD. I couldn't turn it down. Here are some shots to show you what I'm up to:
The old dashboard:
And what I'm working with:
These are aftermarket VDO gauges put in place in a cutout that fits perfectly in the Grand Am gauge opening:
I need a place to mount my battery power gauge and I also need to fab up a filler plate, as you can see I've got quite the gap to fill up:
If anyone has any ideas on where to mount the last gauge, tips for running the HVAC ducting, or any other constructive critisism, be sure to let me know. More info and pictures of the project can be found on my site at http://www.rc-sub.com/lamborghini.html.
For the ducts, there are some small ducts that are used to install aftermarket air-conditioning, they are the best. A distant second would be dryer ducting, or the flexible ducting you get at home depot.
There are times I wanted to remove the windscreen in my standard car - so I can imagine what fun it would be in a car with a chop top.
Not that I've done it, but my windshield has been removed three times since it left Archie's shop after being chopped. Less than a week after I picked it up the new windshield Archie put in there got broken. I had it replaced at a local glass shop and I didn't like the quality of the glass. (the extreme angle will magnify any flaws). The guy removed it and replaced it with another at no charge. After I had the car painted the first time the shop destroyed the molding around the windshield and I had my glass guy remove the windshield and reinstall new molding. He never complained about it being harder than a normal windshield. I only hope I don't have to do that again after the latest paint job.
A question. Do any of you have pics of how you cut up for the firebird door handle. I have only seen the pic from Jscott where the handle are in place. Also, did you get rid of all mounting points that are placed on the door? (The ones you could drill away?) Could not open the door that mush yesterday soo I could not try the door skin on there. Have too move the car or start cuting...
I removed the stock Fiero Door handle (which was one or two rivets) along with the mounting bracket for the stock door handle...then I made a small hole with some tin shears and drilled a new hole, (or two) for the firebird handle. The picture earlier in the thread shows my dimensions, (in inches) from some landmarks on the door.
Jonathan >> did you get me email about the seat parts??
Sharkman, what I have for pictures (opposite doors). Also I am making custom doors for mine so the placement might be different when using the original Firebird panels. The rods for both the handle and the door lock have been modified to fit (cut and welded back together for the shorter length). You can sort of see the weld in the rod for the door lock in both pictures right after the 2nd bend (from the visable end).
new hole cut for the firbird handle (original hole is the left one):
mounting plate made from some sheet metal and riveted to the door. The new handle location was in the valley of the door and it needed to come out.
Here is an earlier picture of my door panel progress, test fitting the original Firebird (simulated) 'leather' - too small, had to buy some new vinyl - sorry I don't have a current picture (the panel is all cover in tape right now so you can't see too much. This is turning into a year long project (and that is just the one side)
[This message has been edited by Mickey_Moose (edited 01-23-2023).]