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Thank you!!! Glad you're enjoying!!
I totally appreciate this looks messy and archaic. It is! While I'm building these molds so they would be stout enough for reuse, they are still done with less attention to detail than normal as the final parts will be covered with leather so hyper clean molds is trumped here by get'n it done. Parts will be stout and clean. More pics of the molding process. More flanges and gelcoat below. For sure brushing gelcoat, instead of spraying, is less than ideal. Again, still good just not the exact proper process. All three of these will be 3-4 piece molds. Attachment 81763 Attachment 81764 Attachment 81765 |
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Fiberglass mat doesn't like to fold 90 degrees without leaving air pockets. You can use fiberglass cloth in those cases but another path that I like is using "chop strand". Basically just chopped up glass in various lengths, in this case I'm using 1/8". When I make the actual parts, these 90's will also be a problem and I will use an even finer version which is basically fiberglass powder.
Attachment 81766 You just mix it with catalyzed resin, ending up with a wet paste and then brush it into the corners. Quickly and rough, no science. Attachment 81767 Then lay mat on top of that and squeegee out the air bubbles with a brush and a roller. This will force the paste into the corners and small areas. You can see it here, sorta darker. But note how the mat is very flowing and there aren't hard bends. This will be very solid with no air pockets. Attachment 81768 |
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Molds done. On the second pic, you can see where I got the gelcoat to thin on the flange of the center piece. No big deal, won't even fix it as it's on the flange of these one time use molds! The rest is good enough for these parts.
Attachment 81786 Attachment 81787 Attachment 81788 I know it seems like a lot of work for molds that will only be used once and for sure these molds are a long way from being perfect but they are straight, flat and stiff. They will make great parts. More to come in the next few days. Attachment 81789 |
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Gelcoat sprayed in molds.
Attachment 81816 Attachment 81817 Parts laminated and fresh out of the molds. A bit of clean up needed but the parts came out as planned. Attachment 81818 Attachment 81819 Attachment 81820 Attachment 81821 |
Nice work as always, John!
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Thanks Trey!!
Parts mostly cleaned up and ready for the interior shop to cover with leather. Still not sure what I will cover the metal center with, time will tell. Mounted the AC controls, other switches coming soon. Attachment 81825 Attachment 81832 Attachment 81826 Attachment 81831 Attachment 81827 Attachment 81828 Attachment 81829 Attachment 81830 |
Great job as usual.
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GPS/Track mounted.
Attachment 82066 Attachment 82067 Switches mounted, 3D printer ordered, cover for switches coming soon. These are from Iron Works in Bakersfield CA. I did modify them a bit to prepare for the cover I will print, trying to keep it tight so the maximum amount of the handle portion of the switch is exposed. Just the handle will poke through, not the entire switch, so I had to machine the switch down a bit. Started with a mill but it was risky to clamp so built a jig and went old fashion with a bandsaw. Attachment 82068 Attachment 82069 |
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Hope everyone is doing well!
Final sand on the dash before prep'n for the mold. Attachment 82133 Embracing the chaos and messiness of making the flanges for the mold. Looking like this mold will be somewhere around 20 sections. Rattle can black appliance epoxy to seal up the bondo and primer. Attachment 82134 Rough and quick is the only way to describe this process right now. Hot glue, scrap wood are your friends to hold down the sign makers plastic! Attachment 82135 |
I so dig this thread.
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Thanks!! Glad you enjoy! This forum...people.. rules.
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Release agent, Partall, brushed on (no pic), let dry...couple hours, 2 coats. Then white gelcoat, also brushed on. Lots of differing thoughts on how long to let it dry before glassing. Most will only let it dry a couple hours so it's still tacky for the best bond, I subscribe here as well. However, if the gelcoat isn't thick enough, the resin will eat it and you end up with alligators that need to be repaired later. I've done multiple funny car bodies with the gelcoat curing overnight and never had a delamination. Controlling thickness with this shortcut of brushing on the gelcoat is near impossible so letting it cure for 8 hours solves that risk, probably doesn't bond as well but since these molds aren't for commercial use, all good.
Why brush instead of spray? Less cleanup, faster but for sure will introduce small air bubbles. If this was a mold for a body panel or something that we wanted perfect gelcoat, spraying is the only way to go. I will spray the gelcoat for the actual parts, like in previous pics. Attachment 82140 Those little bumps are just sticky back cabinet bumpers, they create alignment pins so the mold sections go back perfectly. Yep, brushing gelcoat upside down is a mess and isn't perfectly flat but for a mold that will likely make one part or even 20 parts, absolutely fine. Attachment 82141 Done in multiple sections so it will come apart later, if it was done in one or even 2 sections, given the angles of the part, the mold could get trapped and it wouldn't release. This is the first 2 sections. Attachment 82142 |
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The dash is looking fantastic. I can’t wait to see it complete and possibly steal some of your ideas. Sent from my iPhone using Tapatalk |
It is looking Amazing! The amount of time and effort going into just the dash and center console is mind blowing! It will be a rolling work of art when you’re done!
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If you get bored working on your car you're more then welcome to come help me with my interior.
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Marty...it ain't stealin' if there is a beer involved! See you at Sema. AJ - Sign me up to work on that masterpeice!! |
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Appreciate any advice here.
The original plan was to drive the dry-sump pump from a pulley behind the crankshaft pulley. However, a 4 stage pump will not fit here with a DSE subframe...without significant modification to the crossmember, engine mounts and the exhaust. Significant is an understatement. Aviaid has suggested this drive pulley which would mount on the front of the crankshaft pulley which would pull the pump forward. It doesn't completely solve the problem but makes the modification manageable. It will require that I build a custom mount for the pump but it seems doable. The fear with some I've spoken to is the torque on the crank, bearings and the pulley with this hanging off the front. Though some think it's no problem. DSE doesn't know of anyone running an LS7 with an external dry sump pump with their subframe. Appreciate opinions and any advice. Attachment 82289 Attachment 82290 |
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Mold is done, giving it a full week to cure before busting it out. Finally! 19 section mold. That was tedious.
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The hours of labor in this project is unbelievable. Are you keeping track of them or is it something you really don’t want to know? Lol
You truly have an impressive one of a kind car. Keep up the great work because we are all dying to see this one completed. |
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Everything looks amazing! You have mad skills! 🤙🏼 |
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Mold done, demo'd the plug. Some cleanup on the mold before making the actual part.
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See you at Sema Sent from my iPhone using Tapatalk |
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Gelcoat on the mold.
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Demolding the dash, pretty fun actually.
Attachment 82799 Attachment 82800 Demolded and washed off most of the PVA mold release. Ready for cleaning up the flanges and then fitting in the car. Attachment 82801 |
Watching the process on this drove my OCD crazy. It's just such a mess, but out pops this badass piece and I'm amazed. :lol:
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What is worse is I am building a 2nd gen and now I kind of want one these dashboards. |
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Thank you and you are so right, it's a mess and it doesn't let your brains ick factor off the hook until it's completely done! It is painful for sure. Marty...I still have the mold, call me if you want to discuss. It obviously won't fit 100% in your car but that's the cool part with 'glass, you can manipulate it however you like. |
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Here's some more of the ugly'. Pulling the kick panels off the reverse mold. Lots of clean up and making the flanges/mounting brackets to come.
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Hand grabs anchored. Mounting brackets welded to the cage, will modify the A pillar cover to give a bit more room for your knuckles, after the dash and kick panels are completely anchored. These make it easier for these old bones to climb over the mini door bars.
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Making progress on the brackets for the dry sump pump. Plastic prototype for now, more to come once I have the actual pump not a mockup. Will definitely need to modify the K-member for oil fitting/line clearance but just a small amount.
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Well, I didn’t want grab handles till I saw this post.
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Nice! Definitely will be worth it.
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