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Priming and painting aluminum engine parts #1835840 05/28/15 10:22 AM 05/28/15 10:22 AM
Joined: Aug 2003 Posts: 2,506 Northern Pa G GLR OP master
GLR OP master G Joined: Aug 2003 Posts: 2,506 Northern Pa	Hello, I have been using SEM etch primer and some Rustolium etch primer on various parts and I wanted to know if there was a better etching primer out there for engine parts-like Heads and water pumps and intake manifolds..etc.?

Re: Priming and painting aluminum engine parts [Re: GLR] #1835916 05/28/15 12:34 PM 05/28/15 12:34 PM
Joined: Jan 2003 Posts: 6,583 SE Pa. L LimeliteAero master
LimeliteAero master L Joined: Jan 2003 Posts: 6,583 SE Pa.	I used Eastwoods self etching primer from a spray can before laying on enamel from a gun many years ago and everything except the thermostat housing has held up perfectly. NO ISSUES AT ALL! The paint I used was Bill Hirsch Engine Enamel.

Re: Priming and painting aluminum engine parts [Re: GLR] #1835922 05/28/15 12:39 PM 05/28/15 12:39 PM
Joined: Aug 2003 Posts: 2,506 Northern Pa G GLR OP master
GLR OP master G Joined: Aug 2003 Posts: 2,506 Northern Pa	O.K. Thank you Dave!...

Re: Priming and painting aluminum engine parts [Re: GLR] #1836084 05/28/15 04:58 PM 05/28/15 04:58 PM
Joined: Nov 2003 Posts: 3,060 Western New York sixpackbee master
sixpackbee master Joined: Nov 2003 Posts: 3,060 Western New York	Looking for a can or gun primer? 7220 MS at Napa is a real good spray bomb etching primer. Spray gun I only use 615 DuPont. 1959 Bugeye Sprite 1967 Charger Black L code 1967 Coronet R/T Convert Green 440 auto bought from original owner 1968 Charger R/T Bronze 440 4 spd console AM/FM 1969 Super Bee WM21H B5 A40 D21 N96 1969 Barracuda Formula S 340 Convert pilot car 1969 Hemi Road Runner RM23J D32 Omaha orange 4.10 Dana N96 N85 1970 Super Bee WM23N FE5 V1X 3.91 axle package, N96 1970 Road Runner RM21N B3 V1X D13 1971 MG Midget 1971 Road Runner RM23H GW3, A57 1972 Road Runner RM23P FY1, D21

Re: Priming and painting aluminum engine parts [Re: sixpackbee] #1836292 05/28/15 11:06 PM 05/28/15 11:06 PM
Joined: Sep 2003 Posts: 338 Bellevue,Mich. Dodge33 enthusiast
Dodge33 enthusiast Joined: Sep 2003 Posts: 338 Bellevue,Mich.	615 dupont x2 the best

Re: Priming and painting aluminum engine parts [Re: GLR] #1836324 05/28/15 11:47 PM 05/28/15 11:47 PM
Joined: May 2015 Posts: 1,134 Lost in Time Iowan super stock
Iowan super stock Joined: May 2015 Posts: 1,134 Lost in Time	I use PPG DP epoxy primers on engine parts without fail. I like epoxy over etch because etch must have clean almost virgin metal to bite and just does not hold back rust as well. Have a great day Iowan "obsolete is neat"

Re: Priming and painting aluminum engine parts [Re: Iowan] #1836639 05/29/15 01:39 PM 05/29/15 01:39 PM
Joined: Aug 2009 Posts: 1,083 Long Island, NY 7 70plymA34 super stock
70plymA34 super stock 7 Joined: Aug 2009 Posts: 1,083 Long Island, NY	agreed on the ppg dp epoxy. On aluminum parts i also use Bulldog adhesion promoter as well since paint and primers do not stick well to aluminum parts. the adhesion promoter would be the first thing to spray before primer.

Re: Priming and painting aluminum engine parts [Re: 70plymA34] #1836679 05/29/15 02:28 PM 05/29/15 02:28 PM
Joined: Apr 2010 Posts: 10,570 Sunny South Florida Golden-Arm I Live Here
Golden-Arm I Live Here Joined: Apr 2010 Posts: 10,570 Sunny South Florida	any issues painting heads with it? "When Tyranny Becomes Law, Rebellion Becomes Duty"

Re: Priming and painting aluminum engine parts [Re: Golden-Arm] #1836719 05/29/15 03:22 PM 05/29/15 03:22 PM
Joined: May 2015 Posts: 1,134 Lost in Time Iowan super stock
Iowan super stock Joined: May 2015 Posts: 1,134 Lost in Time	Not at all. Have a great day Iowan "obsolete is neat"

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