Restoring - General discussions that span across many different groups of years and models > Parts
Any feelings about the new Cobra Jet valve covers form NPD?
DaveF:
I was thinking of buying a set. I wondered if anyone had good or bad experiences with them?
Bob Gaines:
--- Quote from: DaveF on March 06, 2024, 09:51:03 PM ---I was thinking of buying a set. I wondered if anyone had good or bad experiences with them?
--- End quote ---
I will be installing a set that is supposed to arrive Friday.This is the first set that I have used in several years. I don't anticipate a problem given I have used them before with no issues and they have been around for some time. The finish is comparable to NOS units that I have had in the past.
J_Speegle:
--- Quote from: Bob Gaines on March 06, 2024, 09:55:33 PM --- I will be installing a set that is supposed to arrive Friday.This is the first set that I have used in several years. I don't anticipate a problem given I have used them before with no issues and they have been around for some time. The finish is comparable to NOS units that I have had in the past.
--- End quote ---
Bob, would that be period NOS or the late 80-90's version as a service part?
Bob Gaines:
--- Quote from: J_Speegle on March 06, 2024, 10:29:06 PM ---Bob, would that be period NOS or the late 80-90's version as a service part?
--- End quote ---
Well any that you found NOS would be as a service part. The original finish didn't survive long on assemblyline cars as aluminum oxidizes when exposed to the elements. More like later 70's and 80's for the ones that I had . I can remember comparing the ones I had boxed to the repro versions back 25 30 years ago when they first came out. The ones I have coming shortly are from Cobra Automotive who I believe has them made. I doubt he is the only one making them from so long ago so I will post how they compare to the repro ones that I have had in the past.
Bob Gaines:
I got the repro CJ finned valve covers today and although very nice they do not have the nuance detail of the aluminum finish like I remember on the originals and older repros. They can be worked over for a little closer authentic look. The casting details in general are very close to original. Even with the nuance difference in finish on the new repros you will be hard pressed IMO to make a typical used CJ finned set look as good as the repros look out of the box. Used originals also commonly have cracks near the bolt down holes from bolting down too hard. At the end of the day they are a good alternative unless you have a very excellent set of originals to use IMO. Just some of my observations. Others may have different.
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