Stock 6spd 235hp 221lb
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justnspace (03-31-2014)
03-31-2014, 10:46 AM
#5
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03-31-2014, 10:50 AM
#6
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^^^^^this i wish i would've payed more attention to now after reading others dyno results. i will try and call the tuning shop i went to for clarification.
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HinesShvines (03-31-2014)
03-31-2014, 06:03 PM
#9
Yea weird it's clearly there on the dyno it's open at 3800rpm.
I'm curious because I have an 03 with 130k and have the same problem it's like right before high cam kicks in(vtec). I'm going to open my plenum and check my egr system. Did he get a tire slip on the dyno?
'03 blue cls 6mt 133k.
Resonator delete
Kn&n filter.
I'm curious because I have an 03 with 130k and have the same problem it's like right before high cam kicks in(vtec). I'm going to open my plenum and check my egr system. Did he get a tire slip on the dyno?
'03 blue cls 6mt 133k.
Resonator delete
Kn&n filter.
03-31-2014, 06:10 PM
#10
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no slippage, it was the dyno where they take off the tires.
i will look up checking the egr system, i read somewhere there is something under the driver side area that could be the problem but i cant find the thread anymore.
i will look up checking the egr system, i read somewhere there is something under the driver side area that could be the problem but i cant find the thread anymore.
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HinesShvines (03-31-2014)
03-31-2014, 06:51 PM
#11
Take off the plenum cover and see if any carbon is present. I did that cause I was actually sputtering at one point at vtec rpm range and I had some carbon in a few ports. It was after my kn&n insert and the filter in the box was pretty old looking. Are you original owner. I hear near 105k they have some major tune at the dealer which include valve adjustment. I'm looking into only doing the valve adjustment since I'm at 130k.
03-31-2014, 07:01 PM
#12
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Take off the plenum cover and see if any carbon is present. I did that cause I was actually sputtering at one point at vtec rpm range and I had some carbon in a few ports. It was after my kn&n insert and the filter in the box was pretty old looking. Are you original owner. I hear near 105k they have some major tune at the dealer which include valve adjustment. I'm looking into only doing the valve adjustment since I'm at 130k.
i have about 8k to go before I hit 100k and already planning to do the major tune at the dealership, was really hoping it was just the imrc and would replace it.
I am tempted to take apart imrc but wont have any time for a few weeks until after i get back from vacation.
03-31-2014, 07:04 PM
#13
valve adjustments isnt a major tune per say....
over time, heat makes the exhaust valves tight.
the intake valves are generally still in spec.
over time, they will get out of spec, but then you simply just adjust it. talking about MILLIMETERS here.
if valves were so out, you would see decrease in engine output through out entire tach. not just where the butterflies are. and that dip is exactly where my butterflies open on the graph
for reference; I have a 2006 6MT TL...same everything except I am DBW.
over time, heat makes the exhaust valves tight.
the intake valves are generally still in spec.
over time, they will get out of spec, but then you simply just adjust it. talking about MILLIMETERS here.
if valves were so out, you would see decrease in engine output through out entire tach. not just where the butterflies are. and that dip is exactly where my butterflies open on the graph
for reference; I have a 2006 6MT TL...same everything except I am DBW.
Last edited by justnspace; 03-31-2014 at 07:09 PM.
03-31-2014, 08:11 PM
#14
Let me know how it goes a vid would be excellent if you could. I am only 8 months in on mine (2nd owner). But she runs good after I cleaned out my plenum but I still notice a lack of power like almost before I hit vtec range. Some one said axels in another post. Won't know till I get it in the shop. I change my oil every 3k and run only 93 octane mostly BP or Mobil since the triptane is better for ignition temps.
03-31-2014, 09:35 PM
#15
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Thread Starter
valve adjustments isnt a major tune per say....
over time, heat makes the exhaust valves tight.
the intake valves are generally still in spec.
over time, they will get out of spec, but then you simply just adjust it. talking about MILLIMETERS here.
if valves were so out, you would see decrease in engine output through out entire tach. not just where the butterflies are. and that dip is exactly where my butterflies open on the graph
for reference; I have a 2006 6MT TL...same everything except I am DBW.
over time, heat makes the exhaust valves tight.
the intake valves are generally still in spec.
over time, they will get out of spec, but then you simply just adjust it. talking about MILLIMETERS here.
if valves were so out, you would see decrease in engine output through out entire tach. not just where the butterflies are. and that dip is exactly where my butterflies open on the graph
for reference; I have a 2006 6MT TL...same everything except I am DBW.
Let me know how it goes a vid would be excellent if you could. I am only 8 months in on mine (2nd owner). But she runs good after I cleaned out my plenum but I still notice a lack of power like almost before I hit vtec range. Some one said axels in another post. Won't know till I get it in the shop. I change my oil every 3k and run only 93 octane mostly BP or Mobil since the triptane is better for ignition temps.
i never feel any lost of power at all when i drive and was alarmed when i saw the dip on the dyno.
10-12-2014, 12:43 PM
#16
from dynos ive seen its somewhat normal, I think it DOES have something to do with IMRC tho... Not necessarily that there is a problem... however you can almost certainly get that straightened out with a tune playing with the A/F ratio
10-13-2014, 11:50 AM
#17
Instructor
Thread Starter
I still haven't had a chance to look into this, work travel makes it tough to put more time into the car. I have had her for over a year and barely put 10k miles on her, she hasnt hit 100k yet and still a baby. hahaha
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