how to tell if my old heads ar patriot performance heads?
01-11-2008, 08:01 PM
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how to tell if my old heads ar patriot performance heads? i took off my old ls6 heads and they look exactly like my new stage 2 heads except that my new heads have gold springs is there something that PP marks on there heads to tell its theres?
01-11-2008, 08:17 PM
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They do stamp a serial number on the head. It would be on the side of it that is machined flat and some of the other head manufacturer's will engrave their name on.
01-11-2008, 08:27 PM
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it is pretty small on my heads. I thought it was a GM number then I realized it was more like stamped in. They may have put them in different locations. I bey you will be a little pissed if they are the same heads. If they are an older set I think they redesigned the porting so you could still make more power with the new heads.
