Quote:
Originally Posted by tom s
Hope Dave jumps in but I think he cut the flanges off,bolted a set of heads with a head gasket to the block,bolted the flanges on the heads with a intake gasket and then cut the intake at the proper angle and welded it back on?I already had the 301 water X over.Tom
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I can't believe I missed this a few months ago.....
I'm very curious about how the intake manifold was modified. I've tried cutting off the flanges, milling runners and reattaching the flanges on a 301 with Torker, Performer and Torker II manifolds. Some pictures and descriptions are on the 301garage site here :
http://www.301garage.com/forum/index.php?topic=1813.0
http://www.301garage.com/forum/index.php?topic=2036.0
http://www.301garage.com/forum/index.php?topic=3049.0
The quick conclusions I found on the Torker and Performer manifolds were 1) the ports didn't match to the flanges very well after milling the needed amount of material from the manifold and 2) the exhaust crossover hung so low it hit the valley pan. I never did complete the modifications to the Torker II. But, it was looking very promising. Port-to-flange interface was better. And, the exhaust crossover didn't hang as low.
It appears you're using the Torker II as the base. But, you mention there isn't any epoxy used to match the ports to the flange? Was there any type of filler needed to smooth that area? In the pictures I have in the last link, I had a fair amount of mismatch that would have required either opening up the manifold-side ports or epoxying the flanges.