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I have a '67 327/350HP. The NCRS judging manual says the aluminum intake manifold is painted silver. What paint should I use? One option I've seen in some catalogs is a product called Alumi-Blast (manufacturer: Seymour). Thanks for your input.
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Re: '67 327/350HP Intake Manifold
Jim that paint is an excellent duplication of the original GM application. -
Re: '67 327/350HP Intake Manifold
Jim, Gene is right,that paint is good.Its the amount Id be concerned with.Of all the original cars Ive looked at and owned over the years,the only silver paint I could see was up and down the area where the manifold hits the heads.There didnt appear to be any attempt to mask off anything.The silver paint just faded up the intake about two inches and a similar amount up the valve cover.It was as if they wanted to cover up the little bit of cast iron showing between the two.What do the rest of you guys think?............Bill SComment
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Re: '67 327/350HP Intake Manifold- PLEASE REVISIT
I have asked this question before and have recieved mixed answers. I have a 67 L79 also and have seen a variety of paint schemes on the intake/heads. I have painted my block and attached my manifold but did not spray the heads that sit between the manifold and the valve covers. The reason was because I thought it should be painted silver (from former posts). I also have left my manifold natural. I saw a Beautiful black/tan car owned by Chuck McGettick (sp) (TOP FLIGHT) that had ever so slight orange overspray on the manifold (about 1/4 inch up the edge of the manifold) with no silver paint that I remember. Genne I have some video of your silver Coupe and I can't see any silver paint per say any where and it appears orange paint between the head and the manifold Yours is what I would call the clean method). What is the proper way for judging purposes. I just want to do it right. Thanks KeithKeith BurmeisterComment
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Re: '67 327/350HP Correct Intake Manifold detail
Keith, Look close at the pictures of my silver 67 coupe. You will see that orange on the head extends only to the first bolt hole of the manifold and tapers off to nothing as it is sprayed from the front of the engine. The area between of the head that the intake mounts is raw machined iron color with small amounts of silver overspray from shooting the manifold. Yes, it covers most of the intake bolts. Now remember GM didn't use the silver paint as if it was free. Only enough is used to cover any orange overspray and defects. Traces of silver paint over the aluminum intake on original cars is difficult to see cause it blends with the aluminum. This I duplicated on my 67, that may be why it appears without silver fog and does not extend to the area of the carb. Believe me it's there. You may see a lot of prepared 67 350 horse cars on the show field with the top area of the head painted orange....wrong. GM never took the time to cover all this narrow area. It should be either raw cast machined surface or silver from covering blemishes on the aluminum intake. It takes a lot of study of original cars to understand the ways of GM. Try ot avoid restored car for details on "how it should be". That restored car is one's interpertation. Hope this explaination helps.Comment
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Re: '67 327/350HP Correct Intake Manifold detail
Gene, Your explanation sounds reasonable.Not having seen your car,can I ask if it is original in this area?You didnt mention if the valve covers recieved any silver overspray as well.Years ago,at Classic Motors in Chicago,we had a 64 365HP car with somewhere around 4000 original miles.That car was one of the most untouched vettes Ive ever seen and I base much of what I said in my other post on it.That car posotivly had silver on the valve covers as well as the intake.Up to that time(app.1976)we had never come across a car that no one had so much as touched.I dont know where the car is today(wish I did)so I really cant sit here and back up my statements,but Ill never forget it!..........Blll SComment
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Re: '67 327/350HP Correct Intake Manifold detail
Bill, You bring up some interesting points. The valve covers with the silver overspray.... I've seen cars presented as original that exhibited orange traces around the bottom edges of the aluminum covers and cork gaskets. All appeared original but the bolts were removed,.....were the covers touched up years ago .. I don't know. I believe it is possible that the silver spray could be original on the 64 you mentioned. After all engines were sent back for repairs for variuos reasons prior to finding a home in a car. The intake could have had a leaky gasket. So a touch-up silver paint job is all in a reasonable possibility. Is it the norm .. no, but could it be real....yes. I guess the point I would like to stress here is that all cars were specified the same but the production practices vary in getting to the end product. When you restore your car do it the way it was if you believe it was truely that way. If that happens to be the norm then no problem. If it is a little odd ball, then be able to produce pictures the way it was when original. My original post presented the norm (I was lucky my car was in that normal) ....not the only way.Comment
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