Thread: Got a 478...
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Old October 2nd, 2022, 01:28 PM
Prowbar Prowbar is offline
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Join Date: Dec 2020
Location: Friesland, the Netherlands
Truck: 1965 GMC 1500, 478 V6, SM420
Posts: 385
Rep Power: 183
Prowbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the roughProwbar is a jewel in the rough
Default Re: Got a 478...

Happy little manifolds...

In factory yellow. It grows on you

Pete Chronis told me that the manifolds were painted with yellow exhaust manifold paint. When assembled on the engine, the complete engine was then painted red, including the manifolds. As the red paint could not withstand the heat, it burned off and revealed the yellow paint underneath.

I found a trace of both red and yellow paint on the manifolds. On my 305 there is quite a lot of yellow paint left, including on the Y-pipe.

Next up: head work. I have to drill out the original guides, modify the new guides and press them in the heads. Then valve-related work. Still, lots to do but coming along slowly. Have lots of new parts to go on there including motor mounts. I cannot wait to pull out the 305 for the 478. Should make a ton of power.

When the 305 is out I am going to complete the frame paint in the engine bay, and paint the firewall in 503 light green.
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