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Undercoating; Wanting to undercoat this weekend.
Topic Started: Nov 11 2011, 09:16 PM (134 Views)
Deluca119
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I give up !!
So, for those who have been following my build, I want to undercoat while the engine and everything is out, Im thinking tomorrow, I break out the portable grinder, throw the wire wheel on it, hit the areas with rust, really just the driver side floor pan, then hit the whole underside of the car with a scratch pad, followed by mineral spirits and this undercoat. Its not rubberized, its just basic flat black undercoat. http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_Undercoat,-Black,-16-oz--Aerosol-Duplicolor_7100362-P_N3280_T%7CGRP2050_____ Would anyone not reccomend this type of under coat? And then use rubberized coating for the wheel wells?

Or was thinking about using bedliner on the whole underside? Similar to this:
Posted Image
Edited by Deluca119, Nov 11 2011, 09:25 PM.

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BlackMagic
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Senior
I recommend rubberized, it dampens noise and vibration.

Bed liner is a good route. Its pretty damn strong and holds up to the elements very well.
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355, KB pistons, Eagle rods, ARP rod bolts, Ported 882's, bolt in studs/Comp cam/Timing gears. 9.58:1 CR, Victor JR intake port matched, FI Tech fuel injection, MSD Pro Billet, Blaster II and CDI box, Hooker comps to 4" Hawks Sinister Exhaust w/ Hooker Max Flow, Founders tubular LCA/Prothane bushings, LS1 rear brakes, Brembo fronts.
Dropped/Fully Shaved and smoothed exterior and engine bay/VPA door kit/Viper red RN/C5 wagon wheels
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Deluca119
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I give up !!
Well tomorrow is going to be beautiful, Im thinking, hit the rust and factory undercoating with the wire wheel, followed by everything thats getting undercoated being scuffed with a scuff pad. Then wipe the entire underside with mineral spirits, let it dry for a half hour or so, and use a bed liner, http://www.autozone.com/autozone/accessories/Rust-Oleum-1-qt-truck-bed-coating/_/N-257b?counter=7&itemIdentifier=827170_0_0_

and this kit to apply it,
http://www.autozone.com/autozone/accessories/Rust-Oleum-Roller-kit/_/N-257b?itemIdentifier=827444&_requestid=56684
Edited by Deluca119, Nov 11 2011, 10:04 PM.

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1320B4U
"Miley Cyrus Club Pres"
Use many cans of the regular rubberized undercoating..double or triple coat the bottom in spray form or if you have a gun w/a large tip and compressor do it that way. Truck bedliner will run you $50 and you'll probably use 2-3 kits whereas can's of undercoating can be had for under $30buks. Remember it ain't a show car and its the underside, plus touching up would be cheap and easier. What it looks like you want to use is more of a trunk paint imo.
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1991 R/S..1992 L98 Firehawk Tribute (sold)..1999 c5/t56 (sold)..2012 z-71
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Deluca119
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I give up !!
Maybe spray on rubberized under coat is the way to go, Im reluctant because I need to get sub frame connectors, I might just leave the area where they will be welded untouched for the time being until the engine is in and the car is back at ride weight so I can have them welded in. I think tomorrow Ill run to the store in pick up 10 to 12 cans of undercoat tape off the bottom prep it and go nuts.

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charged355
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Nythirdgen Founder
Rubberized undercoat, everything underneath. It's easy to grind off where it needs welding. Mask everything up, give you a tip. Aluminum foil.
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Custom Forged 355 / Solid roller cam/valvetrain / Victor Jr heads / Hurricane Intake/ Accufab 1250cfm Throttle body / MegaSquirt 3 Engine Managment/ 1000cc SouthBay Injectors/ 7.6:1 CR / 4" Custom Single Exhaust / 4000 Circle D Stall/ CK Performance Billet 4L80 FMVB Trans Brake / 3" Chromoly Driveshaft / Full UMI Tubular Rear Suspension / Moser/Strange 9" / 4:11 gears Detroit Locker / Sumped LS1 gas tank / A1000 Fuel pump / A1000 FPR / Paxton Fuel filter / -10 Fuel line -8 return / Borg Warner S475 Turbo @10psi/ JGS 50mm WG & 56mm BOV / PA Racing Complete Tubular Front End Kit With Coilovers / Full Autometer Dash / Custom Black Suade Guts / Built by yours truly/ Tuned by George the EFI whiz

http://www.youtube.com/channel/UCnxlPhzRElZYM5YE-n2NRUw
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