z_boi Posted February 1, 2005 Author Share #13 Posted February 1, 2005 powah @ the wheels. Link to comment Share on other sites More sharing options...
z_boi Posted February 4, 2005 Author Share #14 Posted February 4, 2005 wat u guys think? anyone noe what the baseline on a stock 280z @ the wheels is?dyno2.bmp Link to comment Share on other sites More sharing options...
spudz Posted February 5, 2005 Share #15 Posted February 5, 2005 148 RWHP is great for what your set up is. I would be happy with those numbersfor a fairly stock L28 . Link to comment Share on other sites More sharing options...
jszarecki Posted February 5, 2005 Share #16 Posted February 5, 2005 one question, why woudl soemone have you change your settings to get LOWER HP results... Link to comment Share on other sites More sharing options...
z_boi Posted February 6, 2005 Author Share #17 Posted February 6, 2005 one question, why woudl soemone have you change your settings to get LOWER HP results...i was running too rich...Washing the cylinder walls. He's a very good tuner. I trust him. Link to comment Share on other sites More sharing options...
jszarecki Posted February 6, 2005 Share #18 Posted February 6, 2005 ok, but still....how does he know that...a 280 does not have an oxygen sensor... maybe im just dense....but more hp to me seems nice. ok, maybe im a moron Link to comment Share on other sites More sharing options...
ecp48 Posted February 6, 2005 Share #19 Posted February 6, 2005 Hybrid Z had a thread running on this topic. I believe the average for a basically stock 280 was 128 - 139, based on several different cars.ecp48 Link to comment Share on other sites More sharing options...
440k Posted February 7, 2005 Share #20 Posted February 7, 2005 A decent dyno tuner will put a probe up the exhaust system to monitor AFR. I assume this is how he knew it was running too rich. A normal O2 sensor won't tell you squat on a power run, as they're only used for "cruise" tuning. You need a wideband sensor with appropriate programming to let you calculate AFR at peak power.Basically, advacing the timing will get you more power, but you might need to crank the fuel pressure a bit (or re-program th ECU to get more fuel in) to prevent pinging. Link to comment Share on other sites More sharing options...
kmack Posted February 7, 2005 Share #21 Posted February 7, 2005 148 RWHP is great for what your set up is. I would be happy with those numbersfor a fairly stock L28 .Not rain on anybody's parade here, but I'd be unhappy with this performance. I have seen a '78 280z (just a step up from stock, mostly exhaust work) pull 157 hp at the wheels. My L24 pulled 139 hp at the wheels last summer. All engine internals are stock. Granted, pulls were made on a DynoJet and here in Texas.Nissan rates the L28 at 186 hp at the crank. 148 at the wheels is a hell of a drop. Link to comment Share on other sites More sharing options...
jszarecki Posted February 7, 2005 Share #22 Posted February 7, 2005 Nissan rates the L28 at 186 hp at the crank. 148 at the wheels is a hell of a drop.I couldve sworn that it was more like 175...but im dynoing my car this month i think...so i guess we'll find out. Link to comment Share on other sites More sharing options...
z_boi Posted February 7, 2005 Author Share #23 Posted February 7, 2005 its 170 at 5200rpm at the crank. but remember! this was GROSS HP. no belts, no water pump or anything. In a controled climate room under perfect conditions. thats cheating!!! hahah. but yeah, i dyno'd on dynapack, they dont calculate power the same way dynojects do. It also seems that dynapacks Numbers are lower than dynojets also. It supposed to be more accurate and is very good to tune ur car on. Link to comment Share on other sites More sharing options...
z_boi Posted February 7, 2005 Author Share #24 Posted February 7, 2005 i dont even know the actual milage on my motor. Its prolly well over 100k, and yes, the a/f was done with a probe in the exhaust. Link to comment Share on other sites More sharing options...
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