craigo Posted September 24, 2013 Report Share Posted September 24, 2013 Getting ready to set up a set of motorcycle carbs on my L18 and need to fab a manifold. While looking on craigslist I saw a bunch of L6 intake manifolds and started to wonder if the the four outside intakes would fit on an L4 head if the middle ones were removed. Is the port spacing and mounting bolt placement the same between the two. I read the entire R1 carb thread a couple months ago and don't remember anyone talking about doing this. Thoughts? Quote Link to comment
datzenmike Posted September 24, 2013 Report Share Posted September 24, 2013 Yes but why? The runners are not spaced properly to bolt R1 carbs to them. Take a good look the two mounting bolt holes are missing. You could cut the flanges off and weld your own tubes onto it. Quote Link to comment
craigo Posted September 24, 2013 Author Report Share Posted September 24, 2013 It was just a thought... Got lots of projects right now and just bouncing around ideas to keep costs down. I can get aluminum welding done for next to nothing. Not so much when it comes to actual machine work/fabrication. Quote Link to comment
datzenmike Posted September 24, 2013 Report Share Posted September 24, 2013 Hell you may as well make the whole thing. 1/2" for the flanges and some tubing welded to them. Quote Link to comment
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