285 hp ? 81' 280zx
Triple Mikuni's, comp cam, Hi-6 iginition, Crane coil, ported and polished, Summit fuel pump. With these changes do you think I should be pulling 285 or so horses? I am told I am by the engine building who I have no reason to doubt.
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Re: 285 hp ? 81' 280zx
No, you won't be making 285 horsepower. Its a place like Rebello that will pull that much out of a z engine. The engine in my '70 240z is an '82 280zx block, E31 head, fully ported and polished(radiused, no angles on the valve job), bigger swirl polished valves , Iskyderian Stage III race cam, Isky racing cam springs, Nissan Motorsports High Peformance pistons, fully lightened, balanced, shotpeened lower half-It runs at 10.6:1 compression on Georgia 93 octane fuel and it should only dyno around 225-235 at the flywheel, maybe 200 at the wheels if i'm lucky. The SOHC is the main deterrant from a z engine being able to make alot more hp. open up
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Re: 285 hp ? 81' 280zx
I've done the same mods (intake/exhaust) to my 280ZX, but I'd say 160hp at the wheels is probably the best it will do. Did you have your car dyno'd? Do you have a print out? Are you running the stock ECU/injector? Larger throttle body/headers? Well, you didn't say you did so I'll assume not. 212 out of a NA L28 ain't easy to do. The 280ZX turbo did about that much at the crank, not the wheels.
If you want 280hp from a Z engine turbo charge it, along with intercooling it. `72/`73 240Z `81 280ZX GL `85 300ZX Turbo `87 Toyota Supra Turbo `95 Mitsu 3000GT |
Re: 285 hp ? 81' 280zx
Tell your engine builder he should change his name to Pinochio, theres no way you will get that hp with those mods maybe 165 -170 flywheel horses , the newman zx that was raced only made 280 hp and it had massive mods and a 13:1 comp ratio, get real sun shine.
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Re: 285 hp ? 81' 280zx
www.et-garage.com is doing 256 at the wheels with a 3.1 stroker with head mods, balanced everything and tripple carbs.
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Re: 285 hp ? 81' 280zx
i wonder what norm's engine puts out, you know, the 12 second SU dude...
-Steve http://www.geocities.com/stev240z |
Re: 285 hp ? 81' 280zx
3.1L stroker, with high compression. That's the way to make power with a NA L28. His lighter car helps a lot vs. 280ZX.
If the car weighs in at 2200 total and he's putting down 210hp (at the wheels) he should get a 12.74 1/4 mile time with a trap speed of around 106mph. It's easy to see that 1/4mile times in such a light car aren't too hard to do. `72/`73 240Z `81 280ZX GL `85 300ZX Turbo `87 Toyota Supra Turbo `95 Mitsu 3000GT |
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