Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,574 topics in this forum
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- 3 replies
- 1.5k views
Ok, the small of it is, my friend says that some sort of a "wedge" needs to lift the chain off the cam and them I can move the cam to TDC. (top dead center.) The dizzy is in the 10 o'clock position looking from the drivers seat tward the front of the car. Both the intake and exhaust valves are closed. This should be in compression, right? Now I can get the car to start but not run. everything works from fuel to ignition. What could the problem be? I'm planning to rebuild the whole car soon.:dead: :tapemouth starting with the engine. This is just killing me. What should I do about finding the damn timing. My friend also said that I could be 180 degrees off.:stupid: The fu…
Last reply by 2ManyZs, -
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- 22 replies
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Hi ,Zeds I bought a really good looker with a Turbo motor set up with fuel injection. But no Turbo. Was planning to put the turbo back on but because of the cost and problems in finding parts. Have decided against. Was thinking of keeping the Turbo motor as a lot of money was spent on it. Can anyone give me the pros and cons of getting the com- pression back down and running her as a L28. any advice recieved would be great Thanks in advance!!! :stupid: :mad: :classic: :classic:
Last reply by Gav240z, -
- 1 reply
- 1k views
hey..i have a 73 240z.. the year with the bad carbs.... i ahave a pair of webbers and idont know if i have all the parts ..i got them off of ebay.. the linkage is there... the long part with the 3 legs and theres a lot of loose parts,,,there is the cannon adapters and the n33 manafolds ,,,is there anything else u need..what do d ou do about all the hose that arnt bein used and all the old hook ups for thne SU's ,,,,even from the manafold... is there a site that tells about how to hook them up? thanks, steve Long live the Z
Last reply by ZmeFly, -
- 4 replies
- 3.1k views
Evening, I have been wanting to start a rebuild on my L28. I don't know how many miles, condition the rings are, etc. The big question is if I can use any engine stand or do I have to find one specificly for the L engine? thanks for your support 83280zxNA, I think I do need to get my Z runnin' Brian:alien:
Last reply by texasz, -
- 1 reply
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ok I put my engine back together started her up was idoling about 10 minutes then my buddie put on my heater and there she blows one head gasket & 5 weekend shot in a couple of seconds any way My question is now that I have the great water/oil mix in my oil pan and where elese ( iwish not to think of where else BUT) anybody know how to get my engine etc... cleaned up to start over and how to prevent this so I can get on the road thanks
Last reply by beandip, -
- 8 replies
- 1.6k views
Before I tore my car down a while back I had been having some overheating issues. I replaced the radiator and cap, thermostat, and purchased an electric fan from MSA. While my engine was out I replaced the water pump and freeze plugs (noting a LOT of crud in the coolant passages between cylinder jackets). I just got the Z back on the road this week and last night while I was driving through traffic my temp guage kept creeping up to the red several times at stoplights. Today I was determined to figure out what was wrong. I thought it was either the clogged coolant passages or my carbs are too lean (haven't tuned the ones on the car yet because they were on it before an…
Last reply by kmack, -
SU carbys? 1 2 3
by mellow- 28 replies
- 3.6k views
Hey all Z-lovers! i have a '76 260z 2+2, ive been doing it up a bit.... (my first car) I just bought another spare car for parts also, im going to change the motors, question is i have a set of flat top SU carbys (huge things) and a set of round tops. Which set is better & why, what are the better charicteristics of both sorts??? Also what pretty simple cheap things can i do to boost a few horses? Any ideas what a turbo kit would be worth. I am in country South Australia. Thanks, mellow
Last reply by mellow, -
- 6 replies
- 8k views
Hi guys Well I decided to have a look at the original engine from my 1970 240z a couple of weeks ago and I 've got it partly stripped. Problems is engine dropped a valve before I bought it which has damaged the E31 head and smashed one piston. My first thought was to get the knackered bore sleeved and to buy one new piston ( which are apparently still available) and a full ring set. And get the block tanked to get all the bits of broken piston out. However the engine has done at least 120,000 miles ( could be 220,000 miles!!!!), and only replacing one piston seems a bit of a false economy if the rest of the engine is starting to wear. And I was concerned that fitting o…
Last reply by HS30-H, -
- 8 replies
- 1.8k views
I recently pulled the manifolds on my L-24 and I found a large deposit of crud on the intake valves from the stem out to almost the seat of the valve. The stuff was thick like tar but gritty , but not abraceive when rubbed between the fingers . I removed it with a screwdriver with vary little effort. My Question is where did it come from ? I am running a air cleaner on the SUs , and the engine burns no oil and is not running rich but right on. It seems weard to me that it dident come loose and be digested by the engine . I guss I just need to drive a little harder! Anyone else have the same thing ? I have seen simular build up on exhoust valves but hard carbon but never …
Last reply by beandip, -
- 10 replies
- 2.4k views
Welp, got a compression tester yesterday, gonns do the test today. Im almost afraid to see the results. On the flip side my neighbor just dumped a 307 on the alley, in good shape, Im wondering if its a sign from god to nab the crank and build the holy grail of all small blocks, the chevy long rod 350,..
Last reply by Ben, -
Anybody know anything about an N33 cylinder head, and what it might be good for? (specifically 11041-N3302). Thanks.
Last reply by mdbrandy, -
- 4 replies
- 1.6k views
backfire while shifting? Very quiet poof, not all the time either.I was thinking mebbe it was lack of backpressure form the wide open exhaust? Ive heard that FI engines need backpressure or they run rich? Any ideas?
Last reply by thinkmonkey,
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