Oem exhaust manifold

Z_ealot · 10-05-2016, 07:47 PM

Ok thats what i was wondering cause ive had several different people tell me they're cast iron, but when i had one of them off the other day the metal is shiny like stainless with a little bit of rust build up on some of the surfaces. I always thought cast iron had a rough finish to it even when new. Anybody can confirm?

SouthArk370Z · 10-06-2016, 08:19 AM

Quote:

Originally Posted by Z_ealot

... I always thought cast iron had a rough finish to it even when new. Anybody can confirm?

Confirmed (cast iron is often cast in sand molds). And, because of it's brittleness, will be much thicker than the stainless ("regular" steel would oxidize - see the flanges) tubes of the Z manifold.

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10-05-2016, 07:47 PM	#1 (permalink)
Z_ealot A True Z Fanatic Join Date: Sep 2010 Location: Albuquerque, NM Posts: 2,045 Drives: 09 370Z Touring/Sprt Rep Power: 10091	Ok thats what i was wondering cause ive had several different people tell me they're cast iron, but when i had one of them off the other day the metal is shiny like stainless with a little bit of rust build up on some of the surfaces. I always thought cast iron had a rough finish to it even when new. Anybody can confirm?