keepitcool12 Posted January 24, 2016 Report Share Posted January 24, 2016 I have been wanting to get round top SUs for my 74 260z 2+2, but I don't know if the screw amount matters? I found some 3 screw type for pretty cheap but need a rebuild and don't have everything then I found some but they are 2 screw and they have everything and have been re-manufactured and aren't much more at all, just want to know before I made a purchase. Anyway any info helps, Thanks guys! Mark G. Quote Link to comment
datzenmike Posted January 24, 2016 Report Share Posted January 24, 2016 I would imagine the throat size does and the number of mounting bolts. 240Z carbs are 46mm??? and have 4 mounting bolts. 1 Quote Link to comment
Doctor510 Posted January 24, 2016 Report Share Posted January 24, 2016 I would imagine the throat size does and the number of mounting bolts. 240Z carbs are 46mm??? and have 4 mounting bolts. The question of screw numbers refer to the # of screws that hold the dome on the body. They are are a 46mm and have 4 mounting studs. I refurb the little darlin's. Quote Link to comment
datzenmike Posted January 24, 2016 Report Share Posted January 24, 2016 There! A better answer. Quote Link to comment
keepitcool12 Posted January 24, 2016 Author Report Share Posted January 24, 2016 So they are these ones, will this work? BTW my head is a 240 head http://m.ebay.com/itm/Datsun-240Z-69-73-OEM-Genuine-Japan-SU-S-U-Carbs-Manifold-Rebuilt-510-620-L16-/151957040350?nav=SEARCH Quote Link to comment
docbainey Posted January 24, 2016 Report Share Posted January 24, 2016 So they are these ones, will this work? BTW my head is a 240 head http://m.ebay.com/itm/Datsun-240Z-69-73-OEM-Genuine-Japan-SU-S-U-Carbs-Manifold-Rebuilt-510-620-L16-/151957040350?nav=SEARCH Don't buy those, wrong size, you need 46mm, those are 38mm. You can do a lot better then $300! No linkage either Quote Link to comment
keepitcool12 Posted January 24, 2016 Author Report Share Posted January 24, 2016 Okay for sure, glad I made sure first! Thanks guys! Quote Link to comment
datzenmike Posted January 24, 2016 Report Share Posted January 24, 2016 Look on the ad.... carbs have 2 mounting bolts, manifold has 4. Quote Link to comment
Jarvo2 Posted February 5, 2016 Report Share Posted February 5, 2016 I just listed my set....http://community.ratsun.net/classifieds/item/6949-240z-3-screw-carb-setup-rebuilt-ready-to-run/ Quote Link to comment
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