3.5L Dyno
3.5L Dyno
just got back...in preperation for the uni chip ....
so
255.7/222.5 scans if someone ca host them my a/f fell of rapidly from 14.7 at 3400 down towards 13.75 to 4200 then dips again to 13.5 until 5K then it falls hard again to 12.7 only to bounce back up to 13.2 at around 6200 where it slowly dips below 13 until redline
so
255.7/222.5 scans if someone ca host them my a/f fell of rapidly from 14.7 at 3400 down towards 13.75 to 4200 then dips again to 13.5 until 5K then it falls hard again to 12.7 only to bounce back up to 13.2 at around 6200 where it slowly dips below 13 until redline
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Let me know if you need them put up.
BTW, very nice number, pretty much exactly where Doug's runs were at. The torque is also very impressive.
As I would have thought, the car is running a bit lean. You probably should be running right around the 13.0:1 range the entire run.
BTW, very nice number, pretty much exactly where Doug's runs were at. The torque is also very impressive.
As I would have thought, the car is running a bit lean. You probably should be running right around the 13.0:1 range the entire run.
After looking at my dyno, my A/F with the UniChip is about the same as yours is right now. It was very high 14s before 3500 RPM, then it settles in at 13.2-13.4... slight dip at 5700-6000 RPM down to 13.1 then back up to 13.6-13.8.
If the UniChip could lean you out more in VTEC to around 13.5 you'd probably pick up even more power. I'm assuming you are going to need a custom tune with the 3.5L?
If the UniChip could lean you out more in VTEC to around 13.5 you'd probably pick up even more power. I'm assuming you are going to need a custom tune with the 3.5L?
The tq curve is nice, but thats really only 15-20lb ft more than stock. Its the hp that impresses me though. Any reason for the drop-off at 6k rpm? I woulda thought with all your mods it would continue to pull to 7k.
Originally Posted by jtkz13
The tq curve is nice, but thats really only 15-20lb ft more than stock. Its the hp that impresses me though. Any reason for the drop-off at 6k rpm? I woulda thought with all your mods it would continue to pull to 7k. 

The curve is pretty typical of strokers.
+ the intake air resonance charging reacts differently to the varied displacement of the 3.5L.
The other issue that shouldn't be neglected is the nice fat chunk of HP/TQ that is showing up at the "hefty" part of the 1/4 mile where the aero forces are really nasty at close to 90- to 100-MPH and the auto is in 3rd gear pulling "around" 5- to 6-k revs.
If there was ever an argument or compelling argument for "area under the curve,", IMO, this would be it...
Originally Posted by jtkz13
The tq curve is nice, but thats really only 15-20lb ft more than stock.
Originally Posted by EL_CLS
IMO, longer stroke is running out of air... The air velocity/charging is pumped up through the midrange. The rod ratio is also changed.
The curve is pretty typical of strokers.
+ the intake air resonance charging reacts differently to the varied displacement of the 3.5L.
The other issue that shouldn't be neglected is the nice fat chunk of HP/TQ that is showing up at the "hefty" part of the 1/4 mile where the aero forces are really nasty at close to 90- to 100-MPH and the auto is in 3rd gear pulling "around" 5- to 6-k revs.
If there was ever an argument or compelling argument for "area under the curve,", IMO, this would be it...
The curve is pretty typical of strokers.
+ the intake air resonance charging reacts differently to the varied displacement of the 3.5L.
The other issue that shouldn't be neglected is the nice fat chunk of HP/TQ that is showing up at the "hefty" part of the 1/4 mile where the aero forces are really nasty at close to 90- to 100-MPH and the auto is in 3rd gear pulling "around" 5- to 6-k revs.
If there was ever an argument or compelling argument for "area under the curve,", IMO, this would be it...
Originally Posted by jtkz13
Isnt his a 6 speed tho? A stock graph layed on top of his would be nice to see where the most gains are.
Originally Posted by rezurex
wow... how much did this cost? and what MDX parts did you take, and what are your other mods besides the conversion? very interested in what you did... nice numbers 
I suspect there were some other minor aspect which typeR could fill in.
Originally Posted by scalbert
EricL 
Whoops, did I blow the cover.

Whoops, did I blow the cover.

Available Springer-Verlog (1st Edition avail 1st Qtr 2006)
"Comments made by EL_CLS do not necessarilly reflect the views of this station...."


~20 extra hp and ~20 lbs/ft more than me before pulleys.
