Anyone have any pics or models or something to show me how I can pipe down to the fogs? Will this add more power or what? How can I do this? Please advise.

 

WOW,

Check out the temps of the two dynos...

The Final Weapon R dyno figures were run at a high of 92 degrees! I am willing to bet that at a cooler temperature you would get even more performance!

On the other hand, the SRT dynos were run at a cooler temp...imagine them at higher temp...

Thanks y2kgs for running all the dyno numbers, too bad you can't post so that you can give more details...

Brent

 

It appears that the torque readings can be skewed high or low. The mindspring site says that a stock gs400 makes 249ft/lbs. But, mine only had 238.8 corrected on the MTI dynojet

Come on, there has got to be a couple of you California guys near eachother. Can't someone arrange an on-the-road test?

 

Keep in mind that the numbers are relative to the dyno. Meaning if the mindspring site had high dyno stock readings, then the final torque is higher as well...

If your torque numbers are skewed low, then you will still get the performance increase but your final torque number will be skewed low as well... 238 sounds within the plus/minus tolerances...giving about 300 ft-lb of torque at the crank.

Also I think he dynod his own car as stock with the stock intake. He also has a torque converter on his car when he dynod the stock intake. I don't know - that might make the difference.

Brent

 

I Asked Precision Industries and they told me that if you add the Torque Converter you WILL get more Torque at the rear wheels

 

I agree Brent.....My concern with the different Intake/Ecu set-ups is not the baseline or final #'s being posted, but that the ammount of gain is as advertised...
I figure with everyones cars, climates, dynos, etc. being so different it should be expected that our #'s will vary.
Am I right in thinking that our GAINS(difference from baseline to finish) should be the same regardless of the start or finish #'s?????? Thanks, Tiny

 

I Think The Gain Will Always Be The Same % But Not Always The Same HP Number, Does This Make Sence?

 

Well,

Unless someone can refute my thinking - you and I are in agreement. Here is what I believe. If SRT claims a HP gain of 22+ and torque of the same amount, then we should be able to REPLICATE similar performance gains on whatever dyno we go to. For example, SRT claims their stock HP is a VERY LOW 228HP. Then, if I go to a dyno and get mine dynod stock at 238 HP, which, by the way is about what everyone is getting around here, then once I slap on the SRT, I should get on that same dyno a GAIN of 22+HP making it 260+HP NOT 250HP+ on my dyno. Nobody has gotten that.

Unless someone can explain to me how a dyno can get exponential gains measured versus another dyno, then I still go with the assumption that I should encounter a 22+HP or somewhere close to that gain no matter what my baseline stock dyno number is! That's why it is all relative! How can all the dynos show a variety of different stock baseline numbers ranging from SRT's 228HP to 238HP like others have and then all of a sudden EVERY SINGLE dyno is showing 248 HP or less with the SRT intake on including the dyno graph that SRT prodcued? That, my friend, is the mystery...I still have no answer for that. However, we were told that the dyno numbers are all wrong EXCEPT for SRT's own graph...That Mr. Watson is the mystery to be solved....

Brent

 

dynojets are very consistent. Especially on the lower ratings. 10ft/lbs of torque is a lot and should not be explainable on just a different dynojet.

But, even if that was not the case, that still does not explain the logic used in the statement on
http://www.mindspring.com/~slgs4/GS400.htm
Which, proposes that the numbers were intentionally mis-represented. My point is that works both ways. Now we are talking a difference of 15ft/lbs of torque. Or over 7 percent!!

PS, my experience with dynojets and stall converters is that hp might increase but torque is often reduced. Because slipage is higher at the torque peak than with a stock converter.

 

Hi Sasha,

I think what you mean is that the percentage is based on the baseline stock. The problem is that the baseline stock is a moving target. SRT claims baseline stock is 228HP, others have gotten more like 238HP. The only varying factor is the dyno itself. So, for now, we blame the dyno. But the problem is the dyno is just a measuring tool for measuring differences between baseline and added performance. I hear, that SRT dynod using 4th gear to get their accurate numbers. I would suggest they try measuring it in 3rd gear and see if they get similar performance gains. JMHO....

 

PS What gear did you dyno at?

 

.

less loss due to friction

 

What max HP did you get from 4th?

 

I guess the torque peak must have occured at an rpm that was inbetween a 100 rpm increment. Because, the dyno table shows 238.8 at 4300 but the chart shows 242.1 (they are both the same dyno run).

Same thing for hp. The table shows 233.5 and the chart has 234.5 printed at the bottom. The chart lists a correction factor of 0.97

 

Hmmm, even so, your HP numbers are higher than SRT's...

I think for y2kgs, he dynod in 3rd gear which may account for the higher torque numbers. Your stock HP numbers are quite close though at plus/minus 3 HP...

Brent