Cosmo Hitachi carb questions
I've just finished installing 4 port 13B in '77 AMC Pacer (just for fun). This carb came off about a '76 Cosmo, wondering if anyone has some experience with these to help with a few questions. I've plugged the 2 ports for the oil pump, running mixed fuel. The nipple to the left of the large adjustment screw goes to the distributor. Can all the other pipes be blocked off, including the one one the top on the other side, or are any critical to hook up somewhere? This came to be in a box, never saw the car. Also, the top bracket on the throttle side interferes with the secondaries opening, had the plastic shielded return spring attached, but when the rod (inside the spring) moves up, it makes contact before WOP. Also, the 2 balls in the accelerator pump circuit, one metal, one plastic...which one goes under the pump, and under the discharge nozzle? Lastly is there a starting point (turns out) on the 2 adjusting screws for initial startup? Thanks for any input,
Seann https://cimg5.ibsrv.net/gimg/www.nop...b6e77a8e5f.jpg https://cimg6.ibsrv.net/gimg/www.nop...bc12b768d5.jpg https://cimg7.ibsrv.net/gimg/www.nop...350683598f.jpg https://cimg8.ibsrv.net/gimg/www.nop...2ad02b9fe8.jpg https://cimg4.ibsrv.net/gimg/www.nop...5870d5626a.jpg |
Re: Cosmo Hitachi carb questions
Originally Posted by Seann17
(Post 859438)
I've just finished installing 4 port 13B in '77 AMC Pacer (just for fun). This carb came off about a '76 Cosmo, wondering if anyone has some experience with these to help with a few questions. I've plugged the 2 ports for the oil pump, running mixed fuel. The nipple to the left of the large adjustment screw goes to the distributor. Can all the other pipes be blocked off, including the one one the top on the other side, or are any critical to hook up somewhere? This came to be in a box, never saw the car. Also, the top bracket on the throttle side interferes with the secondaries opening, had the plastic shielded return spring attached, but when the rod (inside the spring) moves up, it makes contact before WOP. Also, the 2 balls in the accelerator pump circuit, one metal, one plastic...which one goes under the pump, and under the discharge nozzle? Lastly is there a starting point (turns out) on the 2 adjusting screws for initial startup? Thanks for any input,
Seann https://cimg5.ibsrv.net/gimg/www.nop...b6e77a8e5f.jpg https://cimg6.ibsrv.net/gimg/www.nop...bc12b768d5.jpg https://cimg7.ibsrv.net/gimg/www.nop...350683598f.jpg https://cimg8.ibsrv.net/gimg/www.nop...2ad02b9fe8.jpg https://cimg4.ibsrv.net/gimg/www.nop...5870d5626a.jpg |
Re: Cosmo Hitachi carb questions
Hey thanks for your reply but I finally found at least half a manifold and made the other half to put this on the car (see photos). It's what I wanted from the start. Anyone wants the original carb, they can have it.
Thanks, Seann https://cimg2.ibsrv.net/gimg/www.nop...9f4a648e12.jpg https://cimg5.ibsrv.net/gimg/www.nop...309717a3ed.jpg |
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