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View Poll Results: Dynojet rwhp poll for stock '02-03 Z06
370 or greater 55 10.46%
365-369 37 7.03%
360-364 67 12.74%
355-359 135 25.67%
350-354 106 20.15%
345-349 54 10.27%
340-344 33 6.27%
335-339 21 3.99%
330-334 5 0.95%
329 or less 13 2.47%
Voters: 526. You may not vote on this poll

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Old 06-08-2003, 04:41 PM   #1 (permalink)
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Poll: Dyno numbers of 405HP stock Z06s only

The object of this poll is to determine the baseline distribution of *STOCK* 405hp Z06 engines ONLY as delivered from GM for 2002 thru 2004 model years. Let's be conservative, and round down peak rwhp decimal #s, e.g. if your results falls within the range 355.01 to 359.99, then enter youf vote in "355-359".

PLEASE BE HONEST, and provide your Dynojet peak rwhp in SAE "corrected" units. If you have multiple dyno test results, post your best # only. This is NOT a poll for owners with internal engine mods, blowers, headers, or catless exhausts systems, etc, so please don't post unless you baselined your Z06 BEFORE you modded it.

If you dyno'd with only minor LS6 "bolt-ons", that's okay. Minor mods as considered aftermarket air intakes, filters, MAFTs, TBCB, and simple D-I-Y electronic tuning tweaks using LS1Edit, Predator, HPP+, L-TSTATs, are all okay, individually or in combination, but PLEASE no mods that require race gas!!!

What we are trying to establish here is a statistically derived "BASELINE" measurement of peak rwhp for the stock Z06 "as delivered" from GM.

Last edited by dsinned; 04-16-2004 at 08:42 PM. Reason: Update to include 2004 model year.
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Old 06-08-2003, 05:25 PM   #2 (permalink)
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Stock with 850 miles she pulled 356 hp and 351 tq. That was the best of three pulls. No pull was under 353.
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Old 06-08-2003, 05:45 PM   #3 (permalink)
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I was really disappointed with a 336rwhp. I thought maybe the general slipped me an 01 engine with those kind of numbers. Only 3000 miles when I dynoed. :(

Engine temp was around 212 so maybe that had somthing to do with it. I will say this, it hauls ass and it doesn't wheel hop so all is well with me
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Old 06-08-2003, 06:23 PM   #4 (permalink)
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Wow!!! I had no idea! My totally bone stock Z dyno-ed at 360.9 rwhp --- I'm the first one to report that. :cool:


Oh My Beast is SOOO Tough! That's because I broke him in the right way. :D

Oh c'mon -- where are the rest of you guys?

BTW: I have the dyno sheet from New England Dyno and Tuning - May 24, 2003. Max. Torque was 355.9 We were told that this number might be lower than actual performance.

I had about 6,300 miles on my Z when the Dyno was performed.


Last edited by Alicia; 06-08-2003 at 08:54 PM.
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Old 06-08-2003, 06:28 PM   #5 (permalink)
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3 pulls......342 rwhp 350rwtq at 210deg. Pretty happy till I saw this thread.
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Old 06-08-2003, 06:39 PM   #6 (permalink)
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Did a baseline Dyno pull on June 2 at MTI before my small upgrade.

2002 Z06 bone stock 6018 miles, Stock intake and exhaust. 363.9hp 352.6 TQ.
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Old 06-08-2003, 06:43 PM   #7 (permalink)
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Be happy with a 12.3, those are the numbers that count. Besides the poll really isn't "stock" if intakes etc. are included. I am at 353 and happy.
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Old 06-08-2003, 06:50 PM   #8 (permalink)
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My 371 was with a K&N, and the zip tied airbox. Total cost $60
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Old 06-08-2003, 06:55 PM   #9 (permalink)
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Quote:
Originally posted by jub jub

Engine temp was around 212 so maybe that had somthing to do with it. I will say this, it hauls ass and it doesn't wheel hop so all is well with me

Engine temps over 210 kill performance. Fan temps are a major reason many get LS1 Edit. I know my car feels sluggish at 220. Never gets above 192 now.
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Old 06-08-2003, 07:04 PM   #10 (permalink)
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Quote:
Engine temps over 210 kill performance. Fan temps are a major reason many get LS1 Edit. I know my car feels sluggish at 220. Never gets above 192 now.
Thats good to know. I'm still in last place though.:( :( :(
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Old 06-08-2003, 09:38 PM   #11 (permalink)
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I lost about 6 HP when I got hot on the dyno, curve started to get choppy on the print out too. I have yet to dyno the car with water temps below 195-200. When I lost the 6 I was about 225-230.
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Old 06-08-2003, 10:05 PM   #12 (permalink)
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Old 06-09-2003, 03:15 AM   #13 (permalink)
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Vararam and Stingers 359.2HP , 351.9 Same day as Alicia. Biggest difference was I was running rich and she was spot on. We had another car that day that had numbers in the 360's with good fuel trims as stock. All I can think of is variation in fuel injectors?

Anyway, tuning will help and getting a lower temp thermostat.
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Old 06-09-2003, 04:23 AM   #14 (permalink)
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Mine was 363.7rwhp/352.8 torque
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Old 06-09-2003, 05:57 AM   #15 (permalink)
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Here is mine. The two totally stock dynos, and the one with the lid pulled off.

[IMG]http://users3.ev1.net/~black_ops/z06/dyno.jpg[/IMG
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