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-   -   66 engine Compartment Paint (https://www.corvetteforum.com/forums/c1-and-c2-corvettes/4156625-66-engine-compartment-paint.html)

Tcheairs38655 06-25-2018 09:17 AM

66 engine Compartment Paint
 
Attempting to detail 66 my 66 coupe engine compartment and I'm having trouble getting a smooth even semi gloss black finish for the fender side walls. I've been using Rustoleum semi gloss black from Walmart but the finish is not consistent with some areas too shiny and other areas look pretty correct. Krypton has a paint for plastic but it "alligators" when applied. I've sanded after painting and re applied with the same inconsistent results. Can anyone recommend a brand (semi gloss black) which is better suited for the fiberglass engine compartment? Technique for applying?

Thanks

jrm5657 06-25-2018 09:40 AM

John Deere Blitz black is the best rattle can that i have found, it provides great coverage and flows out to a nice satin finish. I often use it for base coverage and then finish with SEM Trim Black Satin.

Gavin65 06-25-2018 09:42 AM

Eastwood makes a satin black that provides even results ,its called under hood black. or you could order from Long Island Corvette supply, their satin black is also very good, Prep is key to a even finish,

Tcheairs38655 06-25-2018 10:19 AM

Besides cleaning and sanding smooth, what preparation do you recommend?

Critter1 06-25-2018 10:23 AM


Originally Posted by Tcheairs38655 (Post 1597475662)
Besides cleaning and sanding smooth, what preparation do you recommend?

If your target is to restore to original, I wouldn't sand the skirts. Especially the junction between the outer fender top and the inner skirt.

jrm5657 06-25-2018 10:29 AM

Wipe it down with wax and grease remover, lacquer thinner, acetone or alcohol before painting.

Nowhere Man 06-25-2018 12:09 PM

If it’s alligators that means it’s lifting and surface is contaminated and or the stuff your using is enamel and spraying that over lacquer will cause that too. Your going to have to strip it and start over

Tcheairs38655 06-25-2018 02:41 PM

So, the engine compartment was originally lacquer? Strip it?? How about a good sanding and sanding between coats?

Nowhere Man 06-25-2018 03:02 PM


Originally Posted by Tcheairs38655 (Post 1597477328)
So, the engine compartment was originally lacquer? Strip it?? How about a good sanding and sanding between coats?


i get a good chemical stripper for fiberglass and start over

Easy Rhino 06-25-2018 07:31 PM


Originally Posted by Nowhere Man (Post 1597477484)
i get a good chemical stripper for fiberglass and start over

:ack:

I want to restore the appearance of my undressed when I swap out my old engine with the one I'm building now, but the specter of stripping it down to bare fiberglass does not hold much appeal. My old black underhood paint is not alligatored, but it is too glossy, and waaaayyyyy too thick, plus it has areas of severe contamination under the paint.

Yuck.

This might be one of those examples of 80/20 being the correct approach.

Nowhere Man 06-25-2018 08:05 PM


Originally Posted by Easy Rhino (Post 1597479133)
:ack:

I want to restore the appearance of my undressed when I swap out my old engine with the one I'm building now, but the specter of stripping it down to bare fiberglass does not hold much appeal. My old black underhood paint is not alligatored, but it is too glossy, and waaaayyyyy too thick, plus it has areas of severe contamination under the paint.

Yuck.

This might be one of those examples of 80/20 being the correct approach.

if your paint is lacquer and you spray lacquer over it and it’s clean then you will be fine. He sprayed enamel over lacquer with no slealer or primer.

Vette5311 06-25-2018 08:08 PM

JD black
 

Originally Posted by jrm5657 (Post 1597475448)
John Deere Blitz black is the best rattle can that i have found, it provides great coverage and flows out to a nice satin finish. I often use it for base coverage and then finish with SEM Trim Black Satin.

I agree. Very close to GM factory color and gloss. 👌

Easy Rhino 06-25-2018 09:39 PM


Originally Posted by Nowhere Man (Post 1597479330)

if your paint is lacquer and you spray lacquer over it and it’s clean then you will be fine. He sprayed enamel over lacquer with no slealer or primer.

I no freaking idea what kind of paint is in there currently.

Tmichaelson 06-25-2018 10:13 PM


Originally Posted by Vette5311 (Post 1597479344)
I agree. Very close to GM factory color and gloss. 👌

Fully AGREE- recently tested out 5 different recommended paint brands and gloss levels. Blitz Black was spot on with my “original “ painted engine bay. You MUST apply it according to instructions on it’s can . It must be MISTED on lightly or it will be too glossy for your OEM requirement. Coverage is very good.

Tcheairs38655 06-25-2018 10:43 PM

Found the John Deere Blitz Black on Ebay...going to prep as much as possible, but NO stripping...will apply light coats and sand between. Should be good enough for my NOM 427/450 engine compartment...but it's a date correct 9942 block with all the original parts...so I ain't gonna quibble about the artistic value of the "semi gloss black"...thanks for all the comments

jrm5657 06-26-2018 06:44 AM

Your local John Deere dealer should have Blitz Black in stock.

Vettegeezer 06-26-2018 08:32 AM

I have had good results using Krylon #1613 semi-flat black "Industrial/Industriel" marked on can. You will need to buy from an on-line supplier such as Amazon or an industrial equipment supplier. It is a lacquer base paint that you can apply in multi coats. Don't be fooled by the Krylon #51613 satin black "Indoor/Outdoor" readily available at the big box stores, it is not the same product as #1613! The 51613 will "alligator" with multi coats.

Donald #31176 06-26-2018 09:13 AM


Originally Posted by Tcheairs38655 (Post 1597480257)
Found the John Deere Blitz Black on Ebay...going to prep as much as possible, but NO stripping...will apply light coats and sand between. Should be good enough for my NOM 427/450 engine compartment...but it's a date correct 9942 block with all the original parts...so I ain't gonna quibble about the artistic value of the "semi gloss black"...thanks for all the comments

Blitz black was the NCRS standard for semi gloss black paint up to about 2005. John Deere changed the formulation and P/N to 25631. Depending on how anal you are on gloss the old JD blitz black P/N Pt 107 . is what you want.if you can find it.

JohnZ 06-26-2018 12:30 PM


Originally Posted by Tcheairs38655 (Post 1597475318)
Attempting to detail 66 my 66 coupe engine compartment and I'm having trouble getting a smooth even semi gloss black finish for the fender side walls. I've been using Rustoleum semi gloss black from Walmart



You DON'T want semi-gloss black - you want a semi-flat black that dries to an "eggshell" surface, and you don't want the ENAMEL you're using. You want a lacquer like SEM Trim Black or Krylon #1513 Industrial 5-Ball Semi-Flat. :thumbs:

https://cimg9.ibsrv.net/gimg/www.cor...212ea9975f.jpg
https://cimg1.ibsrv.net/gimg/www.cor...9efe83853d.jpg

Tcheairs38655 06-27-2018 08:32 AM

wow. Never knew there was a difference in semi gloss and semi flat. Learn something every day. So, you are saying the krylon semi flat is a lacquer paint, not an enamel? Thanks.


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