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Keep in mind, those are the racers you know. The racers in my circles eat, breath, and live it. And when you take something so seriously, the technical makes a huge difference. Especially when the skill level of the drivers are all so equally matched, the smallest technicality can make the...

Welocome to the TorqueCars family.

Thanks for the reply. I'm not trying to build this to be a racer. This build is with the intention to be my DD (Daily Driver) with some balls when the time need be. I'm modifying the stock VG30DET. If I were to go balls out, I would drop an RB26DETT and mash the pedal. I am somewhat...

I'm modifying an '88 Z31 for speed, but I'm confused. My process begins with the exhaust, intake, boost controller, and now... I/C. I don't want to spend a lot of money on a I/C kit but don't have to tools to make my own, or the time to be that creative. I found this kit...

Okay, I was fiddling with it some more. I removed the hoses that went into each carb and turned it over. They both gave, what I think were, pretty good spurts of gas. I did test with a cup as SLEEPER had suggested and there was no water in my lines. I was going to check the plugs but I was too...

Trying to get my car running. Has two SU carbs. The recent issue seems to be the filter. A friend sucked the gas out and said if tasted like water (i thought that was a rather unorthodox method). After bypassing the filter with clean gasoline we turned the motor over as it drank more and more...

I planned on keeping the engine and all the parts regardless (in the event I ever wanted to sell it, thats when "worth" comes into play in my eyes.) Turns out, the car will run. I still may have bad rings, but the reason it wasnt starting and idle-ing is because (I assume) the inline fuel...

I have an L24 in my 1972 Datsun 240z but it appears to have worn rings AND I'll have to replace the valve guides and seats so it can run on unleaded gasoline (Im from the states). Should I go through all of that, or get a new motor (RB25DET or SR20DET)? Opinions are much appreciated.

http://pknfr-240z.blogspot.com/2011/03/wiring-issues.html

Jarrus, its no sweat. I'm 17, a full time student, and drive my dad's car when I NEED to get somewhere. I love her, but she can be decomissioned for a little. Picassononwheels, there is nothing wrong with being repetitive. It shows you're firm in your decision/advice. It's much better than...

OK. I have been so caught up in school and athletics that I haven't been able to tend to my precious Datsun. I have am almost positive it is a ring/boring issue. I noticed my starter was turning slowly and had it tested, which it failed. Got a new one and it fired up, but.... it would not idle...

Wouldnt that be the same as Seafoam? I know that was added to the old oil and caused carbon deposits to billow from the exhaust and coat the rear with carbon (such a pain to wash off).

Just read an article that just told me flushing my motor may be very bad. http://www.nbclosangeles.com/news/local-beat/flushservices.html

No flushing. What exactly is a "flushing" product i can use? And how exactly would i go about checking the lines?

Car: 1972 Datsun 240z Problem: High Oil Pressure When i turn the car to the on position, the oil pressure gauge sweeps just below 90 psi (the top of my guage). It used to be even higher than that but recently came down a bit. What really confuses me is that I just drained every drop of oil...

I have been getting my funds together (keep in mind I'm a highschool student and only get 11 hours of work a week). I have yet to do a compression test (there's simply too much snow and it's too cold out there), but I plan to at the first opportunity. What does a higher compression mean? And...

Car: 1972 Datsun 240Z w/ 4-spd transmission Engine: 6-cyl, in-line, SOHC, Carburated L-24 Last Tune Up: Unknown Last Oil Change: Unknown Time Car "Sat": Aproximately a year or two AT LEAST Problem: Turns over, but will not start. (also, if I turn the key to the "ON" position, oil...

This seems like its gonna be a process.

ohhh..... That makes sense. So.... what would be the process to fix that there problem? Sounds like a rebuild/grinding job, but then again, i may be jumping the gun. And thats all only if my compression is bad.... right?

Cars... Quite confusing things they are. From what I gathered, carbon is bad (or so I thought). Are you saying that the seafoam ate away at the seals, working too effectively? That I could understand. Actually, amongst all other books I have, I just stumbled over my Haynes manual this morning...

I can go get a tester, but I do not know the correct compression levels @ JARRUS (i dont know how to place two quotes) Im not understand as to why you wouldnt bother seafoaming the engine at that point. I think you would need to clean it even more so. Can you explain that a little further? I...

Was that you saying I dont need it to catch to do the compression test? Oh, I want to replace the air filter (i learned that it uses exhaust gasses to warm up air going into the carb through the filter, but my car was spitting out carbon, therefore... Carbon, meet air filter). Then clean carbs...

Its cranks over the starter, but doesnt catch and fire up

I dont know it well. It wont move for me to get any tests. Im thinking cleaning the carbs then running tests.

The carbs are Hitachi SU's. Idk when there were overhauled or even cleaned. Define "showing its age". It looks fine, but then again, who am i to say.

I own an '88 Nissan 300ZX Turbo (thats the less popular single turbo Z31) that needs a turbo charger gasket, alternator, and power supply unit for the dash. I also have a '72 Datsun 240Z with some unknown engine issues, electrical, no seat belts, etc... I love the Datsun (its a 4-spd RWD) but...

My '72 Datsun 240Z has a bit of problems. I pulled my plugs and they looked dark and oily, so took it to the autoshop. The shop said it was carbon deposits and I should buy new plugs and run Seafoam through my gas. That caused carbon to billow from the exhaust, so I figured it was removing the...

Whew... I was a little confused. Thanks for clearing that up. Im just gonna let the L24 I-6 sit there and save for the RB25DET to by-pass all the motor problems in the L24 I-6.

:blink: Oh.... And how exactly does that work? Are you telling me I can buy a RB25DET and later on add another turbo? Or are you saying they are the same excluding an extra intake manifold, etc?

So they are two different motors?

Took my '71 Datsun 240z to a shop for electrical (needed them to make new harness). They got it to where it will pass inspection but...... now i can floor it and the needle takes around 3 full seconds to increase 1000rpm. Before i took it to the shop, it would fly up to 5000-6000rpm in about .75...

I hope to do as much as I can, IF i can. Im very weird about taking my car to shops to let other people work on it. I actually reset the trip meter after I drop it off to see if they were joy riding in my car. (My dad's dealer would fix one thing and break another everytime he took it out...

It obviously depends on both car and driver. The set up (and even driving style) of a high powered RWD car will differ from that of a high powered FWD car (oversteer and understeer). Even things such as weight transfer will alter driving. This is the driving that I love, and when i think of it...

Thats the way to go. Im only 17 so I have a ways to go, but I adopt the same mentality. Im driving a 72 Datsun 240z In a town full of ricers (poorly mounted sound systems that sound horrid, dvd players, etc) when I care about performance. Its your car, so your opinion is the only one that counts.

Thanks, I appreciate it. My L24 motor had this weird issue where the needle "waves" and 4000RPM then drops. Then I took the Datsun to an electric shop to get the headlights, etc, to work and now there is no power. I can floor it and it will take a good 10 seconds to rev to 4000RPM (its not even...

they're both inline 6 (i completely over looked the differential). Its a turbo, but would it need an intercooler? My 88 300zx turbo has no intercooler stock.

To make a long story short, I have a 1972 Datsun 240Z and the motor has to go. I want to put a RB25DET into it and the one im interested in includes - motor - 5-speed RWD tranny - ignitor chip - cam angle sensor - intake manifold - exhaust manifold - fuel rail - injectors - ECU - alternator -...

(sold)

I own a '72 Datsun 240z and was pondering the idea of putting in a RB25DET. It seems to be THE motor people are putting in 240z's and 240sx's. Its much stronger than the L-24, and has a nicer sound. The RD25DET im looking at costs $1,700 and comes with turbo, ignitor chip, ecu, wiring...

It all depends on what you define as best. I absolutely love the Z31 turbos. They are in the shadow of the Z32 styling and twin turbos, but I've seen Z31's smoke Z32's. I love the car because I own one too. Although I have a 72 Datsun 240z and I love it. I cant go anywhere without compliments...