OEM Exhaust port vs Ebay header and accordian design
Posted: September 10th, 2023, 7:35 pm
I've been swapping out my cracked rebuilt head that I bought from ebay that I suspected was defective from the start...alway get ebay heads magnifluxed before install I guess. That company has since closed down though.
Now I have three exhaust manifolds that I can use (OEM, cheap ebay header and the accordion design), but I found something interesting between the three of them, and that is that the exhaust post all line up differently when you put the gasket over it, and the exhaust burn mark all align different too.
The OEM seems to be more centered to the exhaust ports out of all of them, the ebay header seems to get misaligned on the last three exhaust ports and the accordion one is just misaligned throughout. I'm not sure how much that matters, but it seemed to matter to the OEM version.
Now I have three exhaust manifolds that I can use (OEM, cheap ebay header and the accordion design), but I found something interesting between the three of them, and that is that the exhaust post all line up differently when you put the gasket over it, and the exhaust burn mark all align different too.
The OEM seems to be more centered to the exhaust ports out of all of them, the ebay header seems to get misaligned on the last three exhaust ports and the accordion one is just misaligned throughout. I'm not sure how much that matters, but it seemed to matter to the OEM version.