dream240z

Dropping in an l28et with t5 trans into my 1970 240z my first engine swap, anyone in the Olympia area wanna help?

So apparently I believe it was as simple as being to rich, I leaned it out, and ended up getting better idle and better performance at all rpm I didn't think it would be that simple but when I cleaned the carbs inside and out I checked all other causes and everything else looked good. It it as always was user error. And that's after paying 2 Seattle shops to do it for me, they both failed miserably

Running no choke when problem occurs, stock carbs yes, they are balanced, and I don't have and AFR gauge but I'll try just leaning it out if you thinks that's all it is.

How are you all doing today? I own a 1970 240z I have a weird problem, I have changed and cleaned everything on this car and she runs very very strong, she warms up great drives very very strong but if I drive even half a mile then idle for a while, like to order a coffee or sit in a drive though, then the carbs gurgle extra fuel into the intake and bogs her down. Once I start driving again there is hard jerking cause from the excess fuel but once I burn it off she is back to being strong. But I just don't trust it. I've cleaned all the internal components to the carbs but was sent the wrong needles so those and the float bowl needle valves were not replaced. Other than that idk what's going on. Any ideas?

Fixed it. Thank you so much. It looked like a grounding 12v connection at the fuel pump then a double pinched fuel line from pump to engine. Crazy but she runs like a champ now. Thank you so much guys.

Still fuel? Ok I will buy a new pressure sender just to fix the guage, but I replaced my front fuel filter but I have one just before the tank so I will check that one next. And let you know how it goes.

Also I forgot to mention the surging and stalling is only after engine is warm.

Sorry I posted it in s30, but she is a 1970 240z running stock round top carbs

Hi all, I have searched far and wide with the search feature but to no true availe. So let me start by saying this problem is destroying me lol. So I bought my dream z that ran great 2months ago. She had almost no brakes and stances Jerry rigged and welded Honda struts. I replaced everything with new stock parts while she was still running. Then suddenly after using seafoam in the gas tank that morning on the drive home she lost all throttle responds and power then died. I bought a rebuild kit. And got her towed to a shop. They realized the only problem was the suction chambers had no oil, so they filled them and tuned the carbs. She drove great for a few days so I installed a pertronix ignition, new radiator, new slave cylinder to get my clutch back, new gas tank (old one leaked everywhere) new exhaust and muffler. Than she started up again with the stalling and feeling like she was running on half power. Than she died. Got her towed back to the shop, cause I knew after the new ignition the timing needed to be reset. And I shouldn't have but in trying to get her to run I messed with the tuned of the carbs. So the shop replaced my fouled plugs from my tinkering lol reset the carbs and tuned them, set my ignition timing, and said she was running. I picked her up after shop hours and drove 1 mile before she stalled and died again, thought it was an empty gas tank so put 2 gallons in after a long walk and a 20$ gas can, than she ran great for another mile till she stalled again, noticed my oil pressure seam almost zero but i that wouldn't cause a stall. I'm so confused at this point. Please help