Confused with my dyno numbers
Thread Starter
TECH Enthusiast
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From: Temple, TX
Confused with my dyno numbers 
Here is my dyno sheet. I have LT's, true duals, Yank 4600, G5X2 and Patriot Gold springs and also a lid.
My locked numbers seem really low. Anyone know what might be going on?
TECH Enthusiast
Joined: Jul 2002
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From: Austin, TX
Originally Posted by BlackWS602
Here is my dyno sheet. I have LT's, true duals, Yank 4600, G5X2 and Patriot Gold springs and also a lid.
My locked numbers seem really low. Anyone know what might be going on?
TECH Enthusiast
Joined: Jul 2002
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From: Austin, TX
375/314...thats not bad for running that rich...
there are so many things to check over, but in my opinion you should be making more power...
if anything your tq being so low unlocked should make it clear something is wrong...
there are so many things to check over, but in my opinion you should be making more power...
if anything your tq being so low unlocked should make it clear something is wrong...
Thread Starter
TECH Enthusiast
Joined: Mar 2003
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From: Temple, TX
do you remember when people started buying the car chemistry inserts to cut down on rasp and they were actually causing a 50RWHP loss in power on the dyno? Do you think maybe a poor job on my duals combined with moroso spiral flows could be choking up the motor?
TECH Enthusiast
Joined: Jul 2002
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From: Austin, TX
Originally Posted by BlackWS602
do you remember when people started buying the car chemistry inserts to cut down on rasp and they were actually causing a 50RWHP loss in power on the dyno? Do you think maybe a poor job on my duals combined with moroso spiral flows could be choking up the motor?
you dont have one of those things in your exhaust do you? i doubt a "poor job" would cause that big of a power loss...
and moroso spiral flows should be fine i would think...
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Launching!
Joined: Feb 2002
Posts: 238
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From: Albuquerque, NM
a friend of mine had a similar looking graph in his project car. he's still hunting down the deamons on it.
after changing the complete exhaust, he still had the same issue ... the torque fell steadily from the hit of the throttle. he's also replaced the tq converter and had the tranny rebuilt. all to no avail. he has plenty of fuel pressure and is now thinking that it's the high rpm spark ...
this probably didn't help, but at least you know that you're not alone.
after changing the complete exhaust, he still had the same issue ... the torque fell steadily from the hit of the throttle. he's also replaced the tq converter and had the tranny rebuilt. all to no avail. he has plenty of fuel pressure and is now thinking that it's the high rpm spark ...
this probably didn't help, but at least you know that you're not alone.
Did you change your injectors? We could only get between 378-385 untill we swapped injectors and I only lost 7rwhp (old 417, new 410) going from a Vig 3600 to my 4200 TCS stall. Your A/F needs adjusting.
Launching!
Joined: Dec 2001
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From: Collin County
I noticed in your other thread that you questioned if that was really A PT stall. If its any help, that graph looks alot like mine with the dip in it on the unlocked pull. So I would think it is one. Of course mines a 4000 and yours is 4600.
Thread Starter
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From: Temple, TX
Originally Posted by Roger White
I noticed in your other thread that you questioned if that was really A PT stall. If its any help, that graph looks alot like mine with the dip in it on the unlocked pull. So I would think it is one. Of course mines a 4000 and yours is 4600.
You know this car is being built to bet you right? 
We'll see how she performs at the track. I may not need to worry about my numbers
Launching!
Joined: Dec 2001
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From: Collin County
Originally Posted by BlackWS602
Well if it isn't Roger White You know this car is being built to bet you right?
We'll see how she performs at the track. I may not need to worry about my numbers
You know this car is being built to bet you right? We'll see how she performs at the track. I may not need to worry about my numbers
. I may have my stock heads back on until the Afr 225's hit the market. So we might get to run some heads up races.
I agree, take it to the track. I was only making 365-370 unlocked when I first made it to the tens. My car never was a dyno queen.
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From: Austin, TX
Originally Posted by Roger White
Well I see from your other post it is a UT-4600.... .
I may have my stock heads back on until the Afr 225's hit the market. So we might get to run some heads up races.
I agree, take it to the track. I was only making 365-370 unlocked when I first made it to the tens. My car never was a dyno queen.
. I may have my stock heads back on until the Afr 225's hit the market. So we might get to run some heads up races.
I agree, take it to the track. I was only making 365-370 unlocked when I first made it to the tens. My car never was a dyno queen.
wow you are complaing about those #'s i have a cam exaust intake work done and iam only putting 357 rwhp 363 rwtq down. iam an m6 so maibe thats it but as far as i can see they look good. please tell me to shut the F33ck up if you guys feel like iam talking out of my @ss here.
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Joined: Apr 2002
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From: Mahwah, NJ
BlackWS602--
Ever get your track #s..?
In case you didn't know it, I can't explain only 4hp peak diff,
but to compare your hp curve at least, you need to move that
unlocked curve back about 400rpm to compare--- i.e your
unlocked setup is not really way above the locked line (blue
over red) like that. My graph looked like yours right after
the dyno and had the unlocked run showing 7200 (but was
really stopping at 6800)... apparently the dynojet initially
uses a static rpm/speed factor...when I got the files, then
I could see what was really happening. Have you got your
files?
Ever get your track #s..?
In case you didn't know it, I can't explain only 4hp peak diff,
but to compare your hp curve at least, you need to move that
unlocked curve back about 400rpm to compare--- i.e your
unlocked setup is not really way above the locked line (blue
over red) like that. My graph looked like yours right after
the dyno and had the unlocked run showing 7200 (but was
really stopping at 6800)... apparently the dynojet initially
uses a static rpm/speed factor...when I got the files, then
I could see what was really happening. Have you got your
files?