Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
5,568 topics in this forum
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im looking for some more power in my 72 240z. the V8 came to mind...but i really love the way the original engine runs, it just sounds sweet. two thoughts came to mind, either buying oversized pistons or turbocharging it. i know the turbo would give my way more power but at what cost? would this fry the engine soon? and what kind of modifications would be necessary, besides the turbo kit itself?
Last reply by Ivan, -
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I am thinking of fitting a Nitrous Kit to my car for more performance, what do you think? The car is quick already as I have fitted a L28 skimmed and polished the head and fitted a stage 2 cam and triple Webers and a big exhaust. But I want more BHP. Any comments?
Last reply by 2ManyZs, -
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For Sale 240z engine short block w/exhaust system, rocker arm cover, air cond pump; maybe more. A head may be available from another source.
Last reply by Ray Tanguay, -
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Hey all, Been away from the fray for a while, a little to much fun flying. I have finished a fairly through update of the Datsun Workshop. And Bryan Little recently changed the Datsun Garage link which I updated. If you know anyone who has either link on their page, let them know of the changes to both. I have e-mailed most of the pages I could find. My 240 is currently in storage. Running, but not being driven. Still working on swaping a T5 and a R200 in. They are in, but not connected. Something about two sets of second gear syncros. They just can't handle the torque of the stroker... But it will be next christmas before that happens. In the mean time, I have a '00 BMW…
Last reply by Bob H, -
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as I think about alternative carburetion, I wonder what is the cfm ratings of the stock carbs on a 1970 240Z? Holley makes the 390 which is expensive, but being a Ford person, I am quite familiar with Ford carbs that are similar to Holleys. The Autolite carbs have small cfm rating and bolt up the same as a Holley. There are 441 and 480 cfm versions. There are even 2V versions that are 356 cfm etc. These would be dependable inexpensive carbs that could be bolted to a Holley type manifold. So what doe sa stock system flow??
Last reply by Royce, -
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looking for any info on running a 4 barrel carburetor. What intake? Driveability? Linkage? Other mods needed?
Last reply by slickseventeen, -
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This should be simple! how much power could i squeeze out of 1982 L28 f54 block with a 1983 P90 head ? with a Ld28 crank balanced and lighten'd along with forged pistons and rods fully balanced and coated! I plan on turbo'ing the motor and switching it to a fuel injected system and to a distributerless system. I know it's possible to do this with some time however I would like an estimate of what i could pull out of that engine. Thankz Nick
Last reply by CableSrv, -
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Help, I just picked up a 1973 (late 72) I have had A 240z before but this one has A ton of go fast stuff on her. Thats where it starts the motor has A big time cam with 3 into 2 headers and the old school wire cage air cleaners. Now with the headache I got the car for the most part nonrunning ( started but wouldnt stay running) with the aircleaner box and fact ex mana gone. There are caps on the vac holes on the intake. The carbs where set rich big time so I went and tried to put the carbs at the fact settings. It runs fine but when you bring up the rpms fast it back pops through the carbs. I have pulled the valve cover and made sure the valves are set proper they are. …
Last reply by carguyinok, -
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Sucked a valve on my 73Z. Local shop will rebuild it for $2500. Guy on eBay has got a rebuild 2600 for $950.00. Any helpful comments would be much appreciated!
Last reply by MikeT73, -
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Hi evryone, this is my first posting so I hope I'm doing it right. Does anyone have any experience with 240's and superchargers. Any information would be good. Thanks
Last reply by Salomon, -
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The new SCCA GT rules allow us to run fuel injection next year. I am thinking of going to the TWM unit with a TECII from Electromotive. Has anyone had any experience with these units? Thanks Krys Dean
Last reply by Krys D, -
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I have an interesting problem I can't seem to solve. Several weeks ago, I checked my timing and as usual check the spark on all the plug wires. The #3 and #4 cylinders were misfiring. I quickly purchased another set of blue thunder wires and rechecked. No difference. I then checked the timing spocket on the cam to see if the chain had streched and decided to adjust the spocket ot hole #2.. After adjusting the spocket I noticed that there was no chain guide bolted to the front of the block. That combined with an oil leak from the main seal convinced me that I should go ahead and pull the front cover and replace the chain, tensioner, guides, main seal, distributor and …
Last reply by Daniel,
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