Carburetor Central
If you have questions about the SU Carburetors, this is where you can find the answers.
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ive been reading thru some threads and people keep bringing up putting tranny oil in the carbs, ive been needing to put new oil in my su's and i have alot of extra redline tranny fluid, so can i use this or what?
Last reply by MikeW, -
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- 5 replies
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I just drove my car home from the paint shop with it's nice new red paint job. It has been a long wait seeing it is a hobby car and left it in a freinds shop in which it sat for about 6 months before it was finally finished. The engine bay got vey dusty including my ramflow filters on the SU's. The drive home was slow, had to keep the revs up so it would'nt stall. Very rough idle, sounded like only 1 carb was working. At the moment I'm in the process of putting all the new door seals and retrimmed int back into the car and will see to the carbies next. Before i start cleaning up around those carbies any tips to offer. Could dust have got through the spongy filter n into …
Last reply by toecutter, -
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i recently bought a reman. alternator for my 1973 240z, and the posts on the alternator are different than the old one that i returned to the store. i have the yellow wire with the red stripe that hooks to it and i have two black wires that also hook to it. my problem is that if i hook those 3 wires to the alt. , the battery gets hot. this new alt. has only 1 post where as the old one had 2 posts. so i would like to know how i am going to hook these wires up. the black wires could be ground wires for ?, but i have no idea.- HELP
Last reply by nahurry, -
Hey Guys, I'm in the process of swapping blocks (N42>F54). I currently have 71 round tops, N42 head,6-1 exhaust 2 1/2 pipes with a flowmaster, and a K&N filter. I am planning to upgrade to EI and use an MSD coil. My question is about the needles in the carbs. As far as I know they are stock. I've heard that I need to change the needles with the larger engine. Should I order the "Gross Jets" from Motorsports? Or is there another option?
Last reply by beandip, -
- 2 replies
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Hello fellow Zers, My front carb throttle shaft seems to be hanging up. I've disassembled and cleaned all the pivot points but the problem is still there. What kind of grease do you use? I've used a lithium based grease. Is there a way to lube throttle shafts without complete disassembly? These are on my 72 with round top su's. I've checked for vacuum leaks using Berrymans carb cleaner and none were detected. The throtlle shaft is snug with little or no play in them. If i blip the throttle in goes to normal idle speed, from around 1200 rpm. I know its the front because I can push down where the spring goes and it moves down. I tried swapping springs nothing. Any ideas?…
Last reply by beandip, -
- 5 replies
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Please Advise The other day I was just drving along in my 1972 240Z, and I the car started loosing power and eventually died. I towed the car home and changed the fuel filter and adjusted the idle. Took the car back out. Ran good for awhile ....then started loosing power and eventually died. The car started right back up and idleed strong in park, however, when put in drive it died. Any suggestions.
Last reply by beandip, -
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I have just purchased a car with a set of 44PHH's - can anyone else running this setup give me an idea of what jets they are running? if you can tell me what the rest of your engine specs are, that would help too. ..or hands up those who have triples and don't know what jets are ?? ;-)
Last reply by Bruce Woolmore, -
Hi everybody Im currently runnin tripple mikunis and i dont know if the stock fuel pump is enough any suggestions??? Thankzzzz
Last reply by beandip, -
- 8 replies
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I'm looking at a 240Z with an L24 and a Holley 650 on it. Is that carb too big?
Last reply by Mudge, -
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I have been reading up on carbs a bit on this site and a few others and have come up with a question. What's the difference between the following: 1) Webber DGV 2) Webber Downdrafts 3) Webber 32/36 :cross-eye
Last reply by ZmeFly, -
- 4 replies
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Well I finally got my triple Dellortos on my car and now for tuning. I need to modify my syncro tool a bit so I get a tight seal, but I need to know what venturies and jets to use. The car is my daily driver and is used mainly on the freeway. Here is a list of the things that the motor does: -wont idle -stutters off the line -wont hold a constant rpm (starts stuttering and rpms start falling off) -dies when I let off the throttle like when exiting the freeway and acts like it is flooded out. The truth be known, I dont know where to start. I know very little about these things, but I am looking for a book on tunning them right.
Last reply by Bruce Woolmore, -
- 2 replies
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Best triple set up? Would like carbs avaliable in early 70's Any suggestions? Nick
Last reply by Bruce Woolmore,
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