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#1
12-09-2023, 02:49 PM
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Using graphite spray on exhaust manifolds
I was wondering if anyone has tried using graphite spray on their exhaust manifolds? I saw it used on a couple of youtube videos, thought it looked good so I gave it a try and really liked the results. It's a couple of shades darker than as cast - cast iron but looks good enough for me. Not to mention there's no need to bead or sand blast them before using. Just wire brush, clean with Brake Cleaner, spray with Graphite spray lube, let dry & wipe down. (I used PB Blaster Graphite Dry Lubricant $6.58 at Home Depot) one 5.5 oz can easily did both exhaust manifolds. My motor is still out of the car so I can't say how well it will hold up.
Off the car - wire brush, clean & spray, let dry wipe down & install https://www.youtube.com/watch?v=5nt75-4bzI8&t=48s New cast iron manifold castings https://www.youtube.com/watch?v=Qqh22Pafzag&t=344s Old manifolds done on the car. https://www.youtube.com/watch?v=hHXm5Hxijw4&t=189s My manifolds I did - the as cast Master Cylinder is there for color comparison. Any comments good & bad are appreciated. Be honest - you can't hurt my feelings - I don't have any. |
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