Splash-zone epoxy test. coated and un-coated RESULTS
#1617166
05/06/14 04:28 PM
05/06/14 04:28 PM
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Joined: Feb 2005
Posts: 20,279 PA.
pittsburghracer
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"Little"John
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OP
"Little"John
Joined: Feb 2005
Posts: 20,279
PA.
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Doing a little test and will post results if anyone is interested. I took 3 globs of Splash-zone epoxy (A-788) and weighed each one after drilling them and placing a piece of tig wire thru them so I could submerse them in alcohol and BP93 to see how they held up. I have them numbered as such. #1. Alcohol, un-coated, weights 55 grams #2. Alcohol, brushed on one coat of MinWax polyurethane, 55 grams #3. BP93 pump gas, one coat MinWax, 45 grams These where placed in glass olive jars on 5-6-14 at app. 2:30pm and after a few days I will remove and weigh each sample again and inspect to see how they are holding up. Here are a few pictures. Lets see what happen as alcohol is in lots of gas we now buy.
Last edited by pittsburghracer; 05/15/14 05:20 PM.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: Splash-zone epoxy test. coated and un-coated
[Re: pittsburghracer]
#1617168
05/06/14 04:38 PM
05/06/14 04:38 PM
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Joined: Jan 2003
Posts: 15,439 Val-haul-ass... eventually
BradH
Taking time off to work on my car
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Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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Is BP93 an E10 blend? That's all it took (10% ethanol) for Moroso A/B epoxy to soften up in my intake manifold. It may not be a weight difference you see as much as a consistency change. The patches I put in my intake that hadn't been "ingested" by the engine had softened up due to exposure to ethanol and were able to be peeled back something like putty, despite all the footholds I'd created on the surface for the epoxy to bond to. Definitely interested in hearing about your results w/ the coating.
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Re: Splash-zone epoxy test. coated and un-coated
[Re: BradH]
#1617169
05/06/14 04:43 PM
05/06/14 04:43 PM
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Joined: Feb 2005
Posts: 20,279 PA.
pittsburghracer
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"Little"John
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OP
"Little"John
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Its being tested in real life on my sons 360 Duster in the near future. I tube all the Edelbrock heads I port but I also smear a light coat of splash-zone over the tubing. He runs alcohol so this will be a good track tested test. I coated his heads.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: Splash-zone epoxy test. coated and un-coated
[Re: pittsburghracer]
#1617170
05/06/14 04:47 PM
05/06/14 04:47 PM
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Joined: Feb 2005
Posts: 20,279 PA.
pittsburghracer
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"Little"John
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OP
"Little"John
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Brad I'm not sure about BP93 and the 10% alcohol but on the pump for all 3 grades it states "gas may have up to 10% alcohol content". I've been told that the 93 grade doesn't but you know how that goes. I got away from using Moroso AB epoxy when it started flaking off on to many projects.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: Splash-zone epoxy test. coated and un-coated
[Re: Airwoofer]
#1617175
05/15/14 05:42 PM
05/15/14 05:42 PM
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Joined: Feb 2005
Posts: 20,279 PA.
pittsburghracer
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"Little"John
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"Little"John
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Time for some strange results. I removed the 3 samples last night at 10pm (5-14-14) so they have been left soaking for slightly over 8 days. When I removed then I placed them out to dry till 4pm (5-15-14) #1 started out at 50 grams, uncoated, and placed in alcohol. today's weight was 50 grams, very good physical appearance, and held up very good when I tried scratching it with a scribe. Alcohol when removed was still purple. Now the strange results. #2 started out at 55 grams, coated, and weighed 55 grams when removed last night coating was somewhat wrinkly in appearance. sample now weights 60 grams (5 grams more) looks good but is off color, tested great when scratched with a scribe, BUT the alcohol is now CLEAR instead of purple. #3. Pump gas (bp93) coated, 45 grams entering test when pulled last night coating was again wrinkly. weighted 50 grams in today's weigh-in (5 grams more), looked good but off color. both coated samples lost the nice shine from the coating before the test started, responded nicely to the scratch test and probing with the scribe. Pictures are from today. Really happy with the Splash-zone after being soaked constantly for that long but I may try some ppg clear coat with hardner for the next test.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: Splash-zone epoxy test. coated and un-coated RESULTS
[Re: jcc]
#1617178
05/15/14 08:17 PM
05/15/14 08:17 PM
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Joined: Feb 2005
Posts: 20,279 PA.
pittsburghracer
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"Little"John
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"Little"John
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I should add to this that track tested results will be available next Winter as I used splash-zone and coating on Matts 10.50 small block edelbrock heads and he runs alcohol.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: Splash-zone epoxy test. coated and un-coated RESULTS
[Re: pittsburghracer]
#1617179
08/06/14 08:25 PM
08/06/14 08:25 PM
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Joined: Feb 2005
Posts: 20,279 PA.
pittsburghracer
OP
"Little"John
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OP
"Little"John
Joined: Feb 2005
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PA.
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UPDATE 8-6-14
I just happened to take a look at my epoxy samples today that have been sitting on my work bench in my shop. Number 1 and 2 both look great but #3 the pump gas sample had about a 1/2 inch crack across it. It was the one that weighted more when I removed it from the jar. I honestly expected to see the alcohol ones suffer the most.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.38@138.67
Livin and lovin life one day at a time
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Re: Splash-zone epoxy test. coated and un-coated
[Re: pittsburghracer]
#1617184
08/08/14 02:18 PM
08/08/14 02:18 PM
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Joined: Mar 2006
Posts: 2,686 Mt. Eden Ky.
Hemi Allstate
master
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master
Joined: Mar 2006
Posts: 2,686
Mt. Eden Ky.
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Hmmm....... Well my problem is I have done a lot of epoxy filling inside my old Rat Roaster intake, and I used the Moroso Epoxy. My engine is a pump gas build, but if it would save the epoxy work, I would use race fuel when I switch to the RR. Perhaps a coating as mentioned above would help protect the work I have already done!? Thanks, Mark
1996 Ram 1500 Sport 1968 road runner 1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019
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