Dyno numbers seem low, let me know what you think.
05-18-2009, 08:29 AM
#1
Dyno numbers seem low, let me know what you think.
I just bought this car from forum member 35Z in the classifieds section here. I love the car, it is a blast to drive and very nice!
2005 350Z enthusiast, 58,500 miles, 6MT.
Mods:
HKS True Dual after-cats exhaust
Nismo cold air intake
Motordyne 5/16" manifold spacer
My dyno numbers were 228 rwhp, then 232 rwhp.
The guy I bought it from said that it did nearly 250rwhp last year. It seems to run very strong with no misses or anything, but it seems that I have the same numbers as a stock car.
Does this seem low to anyone? The dyno was a Dynojet chassis dynamometer model 248c.
I will upload my graph with A/F on it tonight.
2005 350Z enthusiast, 58,500 miles, 6MT.
Mods:
HKS True Dual after-cats exhaust
Nismo cold air intake
Motordyne 5/16" manifold spacer
My dyno numbers were 228 rwhp, then 232 rwhp.
The guy I bought it from said that it did nearly 250rwhp last year. It seems to run very strong with no misses or anything, but it seems that I have the same numbers as a stock car.
Does this seem low to anyone? The dyno was a Dynojet chassis dynamometer model 248c.
I will upload my graph with A/F on it tonight.
Last edited by ChrisNelson; 05-18-2009 at 10:42 AM.
05-18-2009, 01:11 PM
#7
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i only ran half the nismo intake (after the maf i put a k&n cone filter in) and i have the AAM plenum spacer, test pipes, and stillen true dual and i 255whp and 235wftlbs... i never liked the feel of the full nismo intake seemed a lil sluggish but when you half it, its wayy better IMO
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05-19-2009, 07:26 PM
#8
I think I have a pretty good idea of why the numbers were a little low.
First of all, I used the NGK 6A plugs (one step colder) in preparation for running nitrous.
Secondly, I accidentally left the two silencers in the back of my exhaust, which is a large restriction.
Is it reasonable to assume that the combination of these two situations would cost me 10 or more hp?
Last edited by ChrisNelson; 05-19-2009 at 07:40 PM.
05-19-2009, 08:08 PM
#9
Your numbers seem lower than a completely stock 03-06 Z. I would say the average for a stock DE engine is around 245-250whp.
But it may also be the dyno. Can you tell us if any other Z dyno'd before or after you? We could compare numbers that way.
But it may also be the dyno. Can you tell us if any other Z dyno'd before or after you? We could compare numbers that way.
05-20-2009, 01:00 PM
#14
More like 240 for the non-rev DE's (mine stock was 241 or something close to that (its been 2+ years)). Dyno's can be calibrated in different ways, along with different corrections. First, ditch that nismo cai. It's not helping anything. Silencers also kill power. Go back to a stock 06 box or pop charger and the take the silencers out. Go back to the same dyno and try again.
