jasper Posted May 4, 2010 Share Posted May 4, 2010 Well, of course I searched. I have ROUND TOPS on my 260z. The FIRST question, when ordering carb kits ( 2 types available), what identifies early carbs from later carbs??? They are 3 screw, but that apparently is not the determing factor. The second question, does anyone have carb rebuild kits for sale, at a reasonable price??? I need to do this soon...the car is down , and the weather is great ....Thanks.. Quote Link to comment Share on other sites More sharing options...
z2go Posted May 4, 2010 Share Posted May 4, 2010 check out Ztherapy's kits, they can get you the right rebuild kit for your application. It's cheaper than sending in the carbs, but you get the same high quality materials plus all the instructions you need, including a video. Quote Link to comment Share on other sites More sharing options...
jasper Posted May 6, 2010 Author Share Posted May 6, 2010 I'm still searching, but no answer yet. The numbers on the float bowls are unreadable due to age. The one part supplier didn't have an answer. Ztherapy's pics/info aren't adequate. I dont need $130.00 dollar kits. $40.00 dollar kits will work till I'm ready to go for the total Z therapy deal. I just need help in identifying these carbs with regard to model year. Quote Link to comment Share on other sites More sharing options...
jasper Posted May 19, 2010 Author Share Posted May 19, 2010 (edited) I may have it figured out, with Z Therapy's pics. Later carbs have unequal lenght float hangers(ears).( found upon disassembly of my carbs), front verses rear carb. In addition, the removable seat(of the needle and seat set) are also different lengths (info found on another site), hence the need for different front and rear carbuerator kits. I found no mention in the FACTORY shop manual..(would also need 2 different float height adjustment specs.) The early carb kit services both carbs,(both front and rear ears of equal lenght). I will call the parts supplier to confirm two different lenght needle and seat sets, for the 2 kits, for the later version, of the round top su carbs. If anyone can add to, or confirm this.....it would help Edited May 19, 2010 by jasper Quote Link to comment Share on other sites More sharing options...
jasper Posted May 29, 2010 Author Share Posted May 29, 2010 (edited) I now have the correct carb kits. Since I've been doing this stuff for over 30yrs, I didn't think I would need the Z therapy video. MY bad. No specifications in kits. No info in FSM on front vs rear carbs. The float bowls front to rear are different, but have the same specs . I've searched my ass off. I would realy like to drive my car to a show tomorrow. If you have the video, or the knowledge on DRY float level setup, I could use the help NOW. Thanks Edited May 29, 2010 by jasper Quote Link to comment Share on other sites More sharing options...
jasper Posted May 30, 2010 Author Share Posted May 30, 2010 (edited) Well I didn't get to drive the Z to the show. I couldn't get the carbs right So after more SEARCHING, I found the info buried in posts on Classic Z Car. If you have SU's, this is a must see!!! SPECIAL NOTE: FRONT FLOAT SETTING DIFFERENT THAN REAR on '72 carbs!! Edited May 30, 2010 by jasper Quote Link to comment Share on other sites More sharing options...
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