Powder coat motor plate?
#2704840
10/08/19 11:55 AM
10/08/19 11:55 AM
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Joined: Mar 2010
Posts: 625 Indianapolis In. usa
Quickrunner
OP
mopar
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OP
mopar
Joined: Mar 2010
Posts: 625
Indianapolis In. usa
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Any one done this? Any issues with sealing? Powder coat cracking around bolt holes?
05 Ram 1500 Daytona package 71 Demon Gen3 hemi drag radial project
Missin' my 9 second 70 runner!
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Re: Powder coat motor plate?
[Re: Quickrunner]
#2704841
10/08/19 11:58 AM
10/08/19 11:58 AM
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Joined: Feb 2006
Posts: 476 Alberta, Canada
451Guy
mopar
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mopar
Joined: Feb 2006
Posts: 476
Alberta, Canada
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I polished and then clear powder coated mine. I had a heck of a time getting it to seal up after. Ended up using the gasket as a template and then ground away the powder coat so sealant had something to stick to.
Thanx 451 Guy
512 cu in 71 Demon Super Street Car - NO LONGER - Broke Crank Best ET 9.57 @ 139.96
451 cu in Pump Gas - 71 Demon Super Street Car Best ET 9.99 @ 136.80
512 cu in 69 Charger R/T Best ET 11.39 @ 118.11
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Re: Powder coat motor plate?
[Re: 451Guy]
#2704843
10/08/19 12:08 PM
10/08/19 12:08 PM
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Joined: Jan 2003
Posts: 19,537 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,537
Las Vegas
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Never had an issue with sealing or cracking with powder coating a motorplate. We do it all the time, just looks better. We also have anodized them with zero issues.
Last edited by Al_Alguire; 10/08/19 12:08 PM.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: Powder coat motor plate?
[Re: Al_Alguire]
#2704858
10/08/19 01:11 PM
10/08/19 01:11 PM
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Joined: Mar 2010
Posts: 625 Indianapolis In. usa
Quickrunner
OP
mopar
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OP
mopar
Joined: Mar 2010
Posts: 625
Indianapolis In. usa
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I was thinking anodize would seal better, but everything will match with the powder.
05 Ram 1500 Daytona package 71 Demon Gen3 hemi drag radial project
Missin' my 9 second 70 runner!
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Re: Powder coat motor plate?
[Re: Quickrunner]
#2704866
10/08/19 01:36 PM
10/08/19 01:36 PM
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Joined: Jan 2003
Posts: 10,091 MN
JERICOGTX
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,091
MN
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Mine is powdercoated. So far, zero issues.
69 GTX
68 Road Runner
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Re: Powder coat motor plate?
[Re: Quickrunner]
#2704877
10/08/19 02:44 PM
10/08/19 02:44 PM
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Joined: Jan 2003
Posts: 2,981 A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,981
A shed in England
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After powder coating, we couldn't get the water pump housing to seal for any length of time. It also cracked the powder coat around the mounting brackets , chipped on the edges when we dropped stuff like spanners and vac pumps on it. Looked scruffy after a while. Just have a polished one now.
Last edited by Tig; 10/08/19 02:45 PM.
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials. 9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge. RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: Powder coat motor plate?
[Re: Quickrunner]
#2704881
10/08/19 02:51 PM
10/08/19 02:51 PM
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Joined: Jan 2003
Posts: 13,492 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,492
Marion, South Carolina [><]
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Mine is powdercoated...no problems.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 4 speed, Dana 60 '71 Demon 340, no drivetrain, on blocks behind the barn '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Powder coat motor plate?
[Re: bigdad]
#2705549
10/10/19 02:30 PM
10/10/19 02:30 PM
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Joined: Jan 2003
Posts: 13,492 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,492
Marion, South Carolina [><]
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Ultra Grey silicone works for me.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 4 speed, Dana 60 '71 Demon 340, no drivetrain, on blocks behind the barn '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Powder coat motor plate?
[Re: an8sec70cuda]
#2705716
10/10/19 09:51 PM
10/10/19 09:51 PM
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Joined: Dec 2005
Posts: 12,289 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 12,289
Fulton County, PA
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I've never felt that powder coating was a fits-em-all coating solution. Not a big fan of it in race car applications depending on what the part is and what it does. Other coating processes make more sense.
If the results don't match the theory, change the theory.
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Re: Powder coat motor plate?
[Re: CMcAllister]
#2705862
10/11/19 11:42 AM
10/11/19 11:42 AM
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Joined: Jan 2003
Posts: 19,537 Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,537
Las Vegas
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Just dropped off dragster motor plate yesterday to get done. Oh yeah valve covers and valley plate too.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: Powder coat motor plate?
[Re: challenger451ci]
#2706223
10/12/19 03:13 PM
10/12/19 03:13 PM
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Joined: Aug 2003
Posts: 43,719 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,719
Bend,OR USA
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Both my mid plate and front motor plate where black anodized when I got the car, I talked to a older tech from Power master this morning( he was catching up on tech calls )that I had left a message from this past Thursday about what size(gauge) wire to use on my car with one of their 100 amp single wire after burning up the single #10 I had used originally by accidently grounding out the charging lug on the alternator at the Mopar race at Sacramento last month He said to use a #4 cable directly to the battery and make sure and use a #4 ground from the threaded grounding hole in the alternator back to a threaded hole the engine block to ground the alternator do to the anodizing being a insulator and a bad conductor for the ground from the alternator I'm going to do that this winter to see if I can get rid of some ignition gremlins I've had with this car
Last edited by Cab_Burge; 10/12/19 03:15 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Powder coat motor plate?
[Re: Uberpube]
#2706263
10/12/19 08:21 PM
10/12/19 08:21 PM
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Joined: Aug 2003
Posts: 43,719 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,719
Bend,OR USA
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T
One pretty famous tuner there also swears that painted motors run hotter according to what he saw on his engine dyno. Years ago, early to mid 1970s, I use to see a lot of NHRA Modified Production racers with bare heads and blocks, some Super Stock cars from east of the Rockies Mountains also Depending on the type and viscosity of the paint will determine how god or bad it seals up the cast iron and aluminum I had one TM7 intake and one set of cast aluminum BB valve covers powder coated black, they ran so dang hot and wouldn't cool down quickly I never did that again That black plastic powder coating really held the heat in those parts, NOT GOOD
Last edited by Cab_Burge; 10/12/19 08:21 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Powder coat motor plate?
[Re: Cab_Burge]
#2706395
10/13/19 01:12 PM
10/13/19 01:12 PM
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Joined: Dec 2005
Posts: 12,289 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 12,289
Fulton County, PA
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Again, I'm not a fan of powder on race car parts.
I wouldn't use it on engine parts. I paint iron blocks, for appearance and rust concerns, but I don't go crazy with it.
For everything else, you spend the time to make stuff fit nice, keep your tolerances tight, fasteners fit the holes, rod ends fit in brackets, assemblies fit mounts. Then put a thick coating of powder on stuff and nothing fits, So you grind, drill, ream, etc., to fix grounds, fits, tight holes, etc. It's OK for some things, but most of this stuff I prefer paint or nothing.
If the results don't match the theory, change the theory.
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