Carburetor Central
If you have questions about the SU Carburetors, this is where you can find the answers.
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away from heat easy access to carb tops
Last reply by Jason240z, -
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I posted the other day about sputtering at high speeds (100mph) and received some great suggestions. Thanks There seems to be an issue I just discovered, bubbling in the fuel line, I guess it is air. I orginally thought this to be vapor lock as I am in AZ and it is very hot. However the other day I took the car out and it began running poorly in seconds, well before vapor lock should have occured. I have included a photo it seems there may be air in the line and it is causing bubbles and I guess that is causing an inconsistant fuel flow. I am guessing I have a hole in a line or some loose connection that is causing air to be sucked into the fuel lines. Has anyone had an …
Last reply by Captain Obvious, -
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has anybody tried this pump ? specs for carter is 4-6psi and 30gph and is also regulated . I am looking to replace my 25 year oil master pump and carry it for a spare so as not to need a hook if I break down when on the road. I do not see many different pumps posted here, I have seen some Airtex Carter 4070, and Holley red. just wondering if anybody tried this pump ? thanks
Last reply by kully 560, -
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Hello all, Got a mechanical fuel pump block off plate, and need to get a new electric fuel pump. Was wanting to know what everone is using that has done this upgrade? I was planning on finding a Carter GP-4070, as listed on L-Series performance mods and enhancements site. Just wanted to get everyone's opinon on what worked best for them? The car has DGV Weber's in case that matters. Thanks for any help, or suggestions. Bryce
Last reply by jalexquijano, -
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I recently noticed the gas hose that goes from the tank to the fuel pump rated 0.31 inch is beginning to crack. Should i consider replacing the hose and using other type of clamps to avoid this happening again?
Last reply by w3wilkes, -
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Since I'm not restoring the Z to concours level, would these fuel line clamps be equal or better than the OE clamps? Just want to make sure! http://www.ebay.com/itm/FUEL-LINE-HOSE-CLAMPS-KIT-100-CLAMPS-ASSORTED-SIZES-/160324462453?pt=Motors_Car_Truck_Parts_Accessories&hash=item2554152775#ht_755wt_1122 Thanks
Last reply by duffymahoney, -
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I didn't know that Keith was selling his wares online, just came across this today, https://www.webstore.com/user,pgr,82598,owner_id,other_items
Last reply by LeonV, -
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I have run out of ideas on this, car idles and cruises good, single gear WOT to redline 6k+ rpm is fine. Try to do it again and it cuts out. I have installed a wideband O2 to see what's going on and it's running lean but not right away. Here are some examples, all under WOT: 1st gear to 6k, AFR avg 12:1 -> 2nd gear starts cutting out at about 5k, AFR 18+:1 1st gear to 4.5k, AFR avg 12:1 -> 2st gear to 4.5k, AFR avg 12:1 -> 3rd gear cuts out almost instantly(3k?) 16~18+:1 Almost as if I'm sucking the carbs dry... Under half throttle my only issue is that it's not as fast ?. A balance between mid high throttle and earlier shifting can be found to g…
Last reply by MY1PATH, -
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Hi: I am adjusting my floats using the method where the adjustment nut is turned down ten turns. After cranking the engine when I peer down into the hole I see that the fuel is low. If I'm correct I want to bend the tab down to allow more fuel? Additionally I haven't installed the cork gasket as I don't want to damage my new gaskets from repeated removal and install. How will the gasket (once installed) affect the fuel level? Will it go slightly higher or lower? My guess is that is will raise the lid and increase the fuel level? Thank you.
Last reply by jalexquijano, -
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Hey guys, I'm trying to get access to Keith Franck's "white paper" on carbs, Keith has accepted me into the Sidedraft Central yahoo group but for some unknown reason I can't log in and read through the archives. Keith's advise was to try and get a new yahoo ID and I have done that but still no luck. I have tried everything....so wondering if any of the carb guys here can advise on how I can access all the great this info, has anyone downloaded this stuff? Thanks, Chris
Last reply by Patcon, -
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I've rebuilt my carbs and am now reinstalling the pair on my '71. I should have taken better pictures! I am having difficulty properly installing all the the linkages. This thread has some good diagrams and even better pictures. But they are for the 510. I have the Factory Service Manual, I've search a number of forums but have not seen a picture or exploded diagram that will allow me to ensure that it is reassembled correctly. Can someone point me in the right direction? Thanks
Last reply by CanTechZ, -
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I have an early 1971 Z with four-bolt round-top carbs. I am rebuilding both carbs. I was told by a number or sources that the Walker 15566 was the right kit. Imagine my surprise when I compared the provided float needle and seat to the original. It was about 0.25-inches shorter than the original, or at least the one that has been installed for at least 20 years! The shorter assembly would not allow the float height to be set correctly. Is this the wrong kit or am I missing something? I did pick up some OEM braided hoses for the connecting the float bowl to the body of the carb. Can anyone confirm that the originals were in-fact braided? Where do I go from here? …
Last reply by DannDZ,
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