Welcome Guest! Please read more information about our club!

Engine & Drivetrain

Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.

Followers 7

5,568 topics in this forum

Sort By

Fuel regulator

July 23, 2002 by Akir-ra
2 replies

1.8k views
MSA has a fuel pressure regulator that has been recommended along wiht a newer model electric fuel pump as being benficial in my search for more power on a 74 260 with N42 block.. Any thoughts..?

Last reply by ZmeFly, July 23, 2002
did the engine for the 240Z ever win any awards?

July 23, 2002 by E Train
3 replies

1.3k views
did the 240Z engine ever win any awards? For that matter did the car win any awards? If so can you list them. also where can I find these at. Thanks guys

Last reply by E Train, July 23, 2002
E-31 head.....

July 22, 2002 by 71datsun240z
3 replies

1.7k views
ok so i am assuming the e-31 head is the best head out there for z's right? well i popped my hood of my car to just take a look at the engine and i looked at the lower part of the head and theengine block it was a L24 i saw which was right and then the head was e-31 head and was already on my z?... was that stock or did someone else put that on? and the head cover is unpolished aluminum

Last reply by Ivan, July 22, 2002
Valve adjustments

July 21, 2002 by santamaus
1 reply

1.2k views
Are all the feeler distances and torque values the same for the valve train on the L26 and L24 engines? Thanks, Chris

Last reply by carguyinok, July 21, 2002
L28 rebuilt and 5 speed

July 16, 2002 by thinkmonkey
8 replies

2.2k views
I bought a '73 240 in February and I am race prepping it from the ground up, including stripping the interior and installing a rollcage. The car itself was not pretty to look at, but had a lot of aftermarket items on it that were very nice. The previous owner installed a momo wheel, lowering springs, 3.9 R200 rearend, 80 something zx wheels, miata buckets, and a Nissan rebuilt L28 coupled to a zx 5 speed. I'm building up a 350 for the car right now, so I won't need the engine or tranny. The engine has 11,000 miles on it and is documented, so I'm pretty sure that I want to sell it and the tranny because it is such a strong motor. The camshaft is nice and shiny and when I d…

Last reply by Zvoiture, July 20, 2002
Crank Bushing

July 19, 2002 by Ed
0 replies

1.2k views
How do you remove the pilot bushing on the rear end of the crank shaft?

Last reply by Ed, July 19, 2002
heater hose replacement

July 17, 2002 by 1 tuff z
1 reply

1.5k views
anyone ever replaced the heater hoses [from the heater core to the engine] and not used the factory stuff. i wanted to get see if someone has already done this and the install works well and looks clean. figured the original [nearly 30 years old] hoses are due.

Last reply by hmsports, July 17, 2002
stuttering at low rpm

July 16, 2002 by Si|v3r72
2 replies

1.5k views
Guys lately (well really since my last carb tune), my 240 is stuttering at low throttle, like the fuel delivery is not there or I'm missing. But as soon as I step on it or if I'm traveling at higher rpm's, it's as smooth as silk. Any guesses as to what's wrong?

Last reply by Si|v3r72, July 17, 2002
Doesn't pull thru entire rpm range 1 2

May 10, 2002 by 59ghia
13 replies

2.2k views
Hello fellow Zer's Here's the scoop, stock 72, my baby pulls really well up to 4500 rpm then starts feeling "unbalanced" and does'nt pull as well. Seems it should be smooth up till redline or close to it. The carbs have been rebuilt, and are sync'ed spot on. timing is on, valves adjusted etc. Compression is alittle low (150 psi) but even between all 6. Car sat for 5 years before I got her, so I'm think'in maybey the valve springs have weakened? Here's another possible problem- whats the total advance of this distributor? I'm getting about 10 degrees when i rap the throttle, is this enough? Any ideas? Thanks Dave

Last reply by Phred, July 16, 2002
Cam Color

July 16, 2002 by Chris
10 replies

2.5k views
I've just pulled the valve cover off my Z, and noticed that the lobes on my Engine are slightly different colors. Some are very shiny, while others are dull. Below are a couple of picture? And I to guess that the valves are out of adjustment. Some always touching the lobes, while some do not? -- Chris

Last reply by Phred, July 16, 2002
Never ending saga

July 11, 2002 by Akir-ra
0 replies

1.7k views
Ok..Thanks to 2MANYZs and Carguyinok I have a better understanding of what I have already and what is possible.. Having said that I think I'm ready to ask intelligent questions... I have a 74 260 N42 block bored .020(I think)w/Turbo flywheel, SU carbs, E88 intake, N42 head, dished pistons. I would like to raise the compression to about 10:1(I'm told anything higher requires special gasoline ) and reach Hp/Torque levels of about 200. I am looking to keep this a daily driver with good response from about 2500-6000 rpm. I'm not trying to make a racer,yet, but just a good off-the-line arse-spanker:devious: Now..I've been advised be some to seek a P90 head and flat-top piston…

Last reply by Akir-ra, July 11, 2002
Block Color

July 10, 2002 by Ed
2 replies

1.5k views
What is the original block color of the 240?

Last reply by carguyinok, July 10, 2002