Turbo L-24

Well, 486 replies later...

You realize that searching might have been a good idea before asking...

1. Re: Turbo L-24 280zxt Nov 11, 2:34pm

rajay had a turbo kit for the L24, it is possible, although i am not used to the combusion chamber design of the L series, 10:1 is not high at all for FI on a hemi chamber such as honda B series.

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2. stroker verification befor i get working on it? 24ounce Nov 11, 1:10am

ok i have read stones site on the stroker and read many post on this but there is so much junk floating around if you could just verify and fill in the missing it would be great block

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3. Re: ummmmm turbo or 3.1 stroker La 260Z Nov 7, 5:36am

why argue the two choices................ just make it one EXCELLENT choice A stroker /w a 2mm head gasket only has a compression ratio of 8.2 (lower than the stock L-28 of 8.29) S

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4. Re: can i get 250rwhp out of a mildly built l24 theghosttanker Oct 29, 5:49am

I just had a good long look at Bob Sharp's 240 at Watkins Glen, and had a long talk with the mechanic. It makes around 300 HP at the crank, and the motor would cost somewhere between 11 and 15 grand

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5. Re: Make me faster!!! mikeatrpi Oct 14, 3:30pm

Zoey, they all came with the straight-6, for your year it was called the L28, where 28 = 2.8 Liters. The 240's came with L24's = 2.4 liters, 260's had L26's... The 280zx came with the L28E (EFI- fue

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6. zxt parts and questions LetZ Oct 2, 6:45pm

I have a 82 turbo engine, 240Z with 5-speed and not much else. I want to replace the existing L24 what do I need? Here is what I know from reading the archives. AFM turbo clutch ECU

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7. E88 with turbo L28 block?? LetZ Oct 1, 4:55pm

Besides dished pistons is the turbo block any different than a NA L28 from the same year. I know putting the E88 on a F54 block with flat top pistons will give me around 10:1 compression but what woul

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8. Re: blue smoke :>( LetZ Sep 24, 6:13pm

I do have a 82 turbo motor that has been rebuilt except for the head. My goal was to run on the L24 for a couple of years while collecting the parts needed to do the swap such as the wiring harness, E

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9. Re: New head option... Maxima N47? Sean73 Sep 21, 10:28am

Let me clarify something here - there is no such thing as a OEM L28 Maxima, and all 81-84 Maxima N47 heads have heart-shaped combustion chambers like the P79 and P90. I've done the Maxim

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10. Re: ZXT to Maxima? BleachZee Sep 17, 9:36am

The 1981-84 Maxima is what you're talking about. The 81 Max has the same brakes as the 79-81 280ZX. the 1982+ Maxima has the 82-83 ZX brakes. The Maxima has four wheel discs like the ZX. A

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11. Re: What is the difference between flattop and dished rings? Blue Sep 13, 11:43am

The rings on the F54 blocks seem to have a narrower top compression ring for both flat tops and dished compared to early dished piston N42 engines. I am not sure if pistons are different but the ring

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12. Re: 79 dished pistons vs turbo pistons Blue Sep 1, 8:06am

The rings on the F54 blocks seem to have a narrower top compression ring for both flat tops and dished compared to early dished piston N42 engines. I am not sure if pistons are different but the ring

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13. Re: prices for a complete 73 L24 with 5 speed and new SU's? steves280 Aug 22, 11:58am

The stock 5 speed will take anything you can throw at it. I have a customer with an old "turbo toms" setup running 20 PSI boost and nitrous with a 3.1 engine and using a stock 5 speed. It's never had

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14. Re: which muffler and pipe size to run on 240z James 72 240Z Aug 12, 10:20pm

3-2 header into 2.5" pipe through to a turbo dynamax muffler. Was going to do the resonator/glasspack thing until I totally soundproofed my interior. Now I don't care anymore what it sounds like on

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15. Re: Difference of NA & Turbo valve covers KEINoze Aug 11, 1:41am

I'm actually thinking about putting on a metal panel or a "heat shield" to hide it from view. I don't want a big difference between the L28ET and the L24 I have now except for the injection mani

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16. Hello I got a LSD from a 300zx! rayaapp2 Jul 26, 9:42pm

So I got real lucky. '87 300zxt rear end with complete axles! All for a core trade! I gave a

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17. Re: turbo camshaft spudea Jul 23, 10:26am

interesting the L24 and L28 use the same cam

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18. Re: L26 Cam Used as Performance Cam in L28ET? katman Jul 20, 5:10am

The difference in performance between the L26 cam and the L24/L28 cam is diddly/squat. Your time would be better spent looking for quarters in the sofa so you can afford the turbo.

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19. cometic head gasket rayaapp2 Jul 12, 7:59pm

There are aprox. 50-60 requests for the gasket at this time, but Cometic is swamped with requests from lots of others. Basically I need a few donation gaskets for them at this time. I have 2 I am goin

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20. Re: How do i get top end out of my L24e31 spudea Jul 9, 11:28am

Well you can do the basic performance upgrades or swap in a L28 turbo motor.

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21. Re: Steppin on toes, purist need not apply...... FlameZZZ Jul 2, 11:35pm

Let me clarify once more, I'm not downing the 6 or bashing those who have them, I'm just saying that 1, you cant get the same power per dollar when comparing 6 to V8, and 2, if you want to go faster

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22. Re: nitrous and SU's James 72 240Z Jul 2, 9:32pm

I am running 75 hp and sometimes 125 hp shots and no problems to date (about 15 10lb bottles). Using the NOS (Holley) Sportsman Fogger system on SU equipped L24. Each intake port is tapped with a fu

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23. Re: motor performance question Dan Baldwin Jul 1, 7:28am

Ditto Zmonster, you can't bore an L24 as much as you can an L28. Get an 80+ NA motor (flat-top pistons) (earlier L28 or turbo are fine to build up, but they came with dished pistons=> lower CR).

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24. Steppin on toes, purist need not apply...... FlameZZZ Jul 1, 2:41am

I noticed that people now days are really trying to hot rod up there Z cars and at the same time they want awsome MPG and reliability w/sub 13.0 sec. 1/4 times. PLEASE! Stop w/ the posts about how t

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25. what would you do? 1971s rule Jun 15, 11:03pm

if you had a 1971 datsun(nissan) 240 z? it has some body rust around the body of the door panels, rusted floor and sone other spots where rust had been found. i havent cheched the fram but it shouldnt

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26. FI fuel pump regulated to 7psi? 71TurboTEK Jun 15, 8:28pm

Ive got myself a 71 Z, in its lifetime it has seen its stock L24, a L28 Turbo, and now a small block chevy. In my recent quest for saving some cash on this most recent motor swap, i was wondering if a

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27. Re: p90 head on a L24 block WangsMan Jun 9, 8:26am

IMHO, you should not put a P90 head on a L24 block unless you want to add a turbo charger. Compression will be a low 7.7:1 and a bigger cam will lower the cylinder pressure even more. It would run o

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28. Turbo or High Comp more streeteble? Trevlac217 May 31, 7:33pm

I plan on going high comp, but which is really more streetable? With high comp, are there the same heat issues as with turbos? I just want to see opinions from both sides on this. My

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29. Ok guys disrupter240 May 27, 10:32am

Ok guys im gonna go out of my mind here I have a L24 setup stock with Holly 4bbl on it and a header I also have a L28 F54 p79 Head need header intake and all should i put my header a

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30. Re: Building a Z ZCanuck May 25, 10:55am

is it possible to turbo a stroker? also i am probably very wrong on this but isnt the L28 just a bored out L24? if that is the case then would that make a 5spd tranny from a 280Z swa

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31. here are 47 of the first 50 places to look Tony D May 24, 5:11pm

3. FROM PRE OWNER MK240Z May 21, 11:22pm Hey Guys... Okay from what I understand and remember when I took her apart is that you just need to basically get the carbon build up

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32. Re: Turbo vs. NA fuel pump? Yellow 280Z May 20, 2:13pm

Thanks TonyD for your "'can' and 'should'", it was more along the lines of the kind of response I was looking for. I'm going to carefully follow szlash280z78's suggestion and run the car with the sto

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33. No, they work fine... Tony D May 17, 9:14am

I have had an 11# unit on my turbo since 87. I am looking for theold HKS ductile iron 9# unit now. The units from MSA are by Centerforce, and if you are below 300HP, you can use the 225mm

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34. not an N42! Tony D May 12, 3:31pm

turbo manifold volume is less than an N42, but greater than a P82. The common misconception is that "turbo runners are 22% larger than N/A runners" and by runners they mean the individual intake

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35. Re: True or False... Sean73 May 7, 3:34pm

True. I'm running: F54/P90 combo with P79 flattop pistons and stock headgasket. T3/T04E hybrid turbo. Intercooled (NPR) w/ 2.25" jet-hot coated mandrel bends

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36. Re: Destroked turbo?? Dan Baldwin May 6, 6:57am

JOe, I'll do my best "How can you tell that being destroked wouldnt a rev to the limit quicker" Because longer crank throws increase torque by the ratio of the increase (+7.2% for

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37. Re: Destroked turbo?? McAdam May 6, 12:56am

Ive toyed with the idea. use +1mm 300zx pistons, an LD28 140mm rod and an L24 crankshaft. then have it all balanced. youd get a 1.9 rod/stroke ratio, which should scream its **** fool head off if y

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38. Re: Destroked turbo?? Dan Baldwin May 5, 2:13pm

I think it's a bad idea. You won't increase your redline by as much as you reduce the stroke, an L24 crank/rod combination gives the same peak piston acceleration at 7320rpm as an L28 has at 7000, 4.

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39. Re: Destroked turbo?? The Z Doctor May 5, 12:51pm

I like the way you think.....I've built one with L28 crank, L24 rods, Venolias +.040, P90 , SDS....but haven't fired it up yet.

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40. Re: v8 or turbo!? thumpernomore May 4, 8:51am

with a v8 you still have a z too. Thanks for all of the input, i do know what the z purists feel by saying that they would rather go turbo. I think i would rather go turbo as well, but

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41. Re: Anyone try this..... jp260z May 3, 4:25pm

Thanks for the response Tony. Didn't know that about the L24/L28 combo. I have a 260 now though with low mileage, so I'd like to pull some power out of it if possible. I have ztherapy su's and the res

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42. P90 Head on a L24 Maxima? octobertwins Apr 24, 9:37am

Wondering if anyone knows anything about early Maximas. Found a maxima in a junkyard with an p90 head and was wondering if this head is similar to those found on the L28 Turbos, or a different animal

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43. Re: Anybenefit to using L24 cam or head on an L28 block? mark240zforce Apr 21, 2:37pm

You can run both enternal and spray bar on an early head,the extra oil is not a problem especially if you use a turbo oil pump.

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44. Selling the z31 with hopes of something better, need advice from all 240-280 owners Russ86n/a Apr 14, 10:04pm

So I priced a rebuilt turbocharged motor and a rebuilt man. 5spd. tranny for the z. It was very reasonable at just over $4000 for the whole shebang not to mention a few extras. Anyhow, I'd much rather

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45. Re: Harmonic balancers L24, L26, L28, L28ET ianz Apr 12, 4:09pm

Jeff P spent considerable effort with a specialty shop to develop an aftermarket harmonic balancer for racing and turbo aplications given the stock balancers tendancy to come apart with age and abuse.

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46. Re: Harmonic balancers L24, L26, L28, L28ET shane280z Apr 12, 9:30am

Keep your Turbo front carnk pulley assembly as is. The savings in quicker rotational mass of a quicker spinning crank are dubious and very small. If concerned about a unbalenced crank then pull your e

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47. Harmonic balancers L24, L26, L28, L28ET rayaapp2 Apr 11, 10:39pm

I am looking at getting a different balancer for my L28et. I was wondering if the other L 6cylinder engines would work on my Turbo by just bolting them up. I ask because I do understand t

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48. Re: Max HP vs RPM on 280z (Calling N/A guys with ported and cammed heads) Blue Apr 8, 6:14pm

Matt, Here is a nice experiment to compare headers, air filter, exhaust, ignition, muffler on a stock 240z. Only the air filter made a difference at the high rpms... another 4HP.

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49. Re: Max HP vs RPM on 280z (Calling N/A guys with ported and cammed heads) Matt 78Z Apr 8, 12:17pm

Those stock #'s are screwed up. You can calculate were the engine makes peak power by using cam profiles, bore/stroke, displacement, air flow etc. With the stock cam profiles and valve train there i

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50. My preference... Tony D Mar 31, 2:45pm

Is to stay with stock bores and turbo boost the **** out of it. You will get more torque out of the motor than ANY stroked/bored N/A motor ever will give you. My standard bore L28 r

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