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HELP! torque lbft before and after dyno

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Old Apr 17, 2010 | 06:02 AM
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07FA5's Avatar
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Icon2 HELP! torque lbft before and after dyno

i got dyno tuned yesterday... im running is s2 headers and s2 cat back, injen sri, and flash pro... but the numbers he gave me afterward for my torque were a lil disappointing and sounded really off compared to other people ive talked to... torque lbft: before 111.4 after 123.8... hp: before 189.0 after 202.2... i mean the gains itself were good from before but i havent heard of even a stock si that low of torque... im curious if anyone else is running that low or if those are normal numbers... let me know ur dyno numbers too
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Old Apr 17, 2010 | 06:46 AM
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Default Re: HELP! torque lbft before and after dyno

seems a little low to me as well ... check out all these dyno #'s

http://www.*************/forums/bolt...rt-thread.html
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Old Apr 17, 2010 | 08:04 AM
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Default Re: HELP! torque lbft before and after dyno

Originally Posted by thunderdome
seems a little low to me as well ... check out all these dyno #'s

http://www.*************/forums/bolt...rt-thread.html
thanks... idk what it could be i just saw a bone stock si on that thread that hit 137lbft... do u think it could be something else?
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Old Apr 17, 2010 | 08:56 AM
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Default Re: HELP! torque lbft before and after dyno

mine dynoed 154 tq with I/H/E, thats really weird.
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Old Apr 17, 2010 | 11:25 AM
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Default Re: HELP! torque lbft before and after dyno

Every dyno is different. What correction factors were you running? Some read low, and some read high.
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Old Apr 17, 2010 | 11:35 AM
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Default Re: HELP! torque lbft before and after dyno

Originally Posted by K5^
Every dyno is different. What correction factors were you running? Some read low, and some read high.
this is very true ... forgot about this
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Old Apr 17, 2010 | 11:36 AM
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Default Re: HELP! torque lbft before and after dyno

what type of dyno. My numbers are in my sig and thats with without flashpro and tune so.
I think it was just a bad reading on the dyno cuz thats too low to be a correction factor I think Ken. But then again I could be wrong, wont be the last time lol.
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Old Apr 18, 2010 | 12:21 AM
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Default Re: HELP! torque lbft before and after dyno

well i think it depends on the dyno too.If it`s an older one and not maintained properly it might show incorrect readings
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Old Apr 18, 2010 | 07:54 AM
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Default Re: HELP! torque lbft before and after dyno

Don't our cars have 139 ft/lb stock? If so then I would expect the torque t be about 120 at the wheels on a dyno jet.

Greg how were you pulling more torque at the wheels than our cars make a the flywheel untuned?
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Old Apr 18, 2010 | 10:31 AM
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Default Re: HELP! torque lbft before and after dyno

Little Tykes dynoset.

Imagination Dyno-station.

Round up 20 dyno.
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Old Apr 18, 2010 | 10:55 AM
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Default Re: HELP! torque lbft before and after dyno

Originally Posted by ajpturbopittsburgh
Don't our cars have 139 ft/lb stock? If so then I would expect the torque t be about 120 at the wheels on a dyno jet.

Greg how were you pulling more torque at the wheels than our cars make a the flywheel untuned?
Greg had an I/H/E prior to getting a tune.
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Old Apr 18, 2010 | 10:56 AM
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Default Re: HELP! torque lbft before and after dyno

It was a dynopack... I'm going to check out another dyno and see if I read different
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Old Apr 18, 2010 | 01:05 PM
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Default Re: HELP! torque lbft before and after dyno

I thought dynopacks read even higher because they bolt right to the hub and you don't get the loss through the tires slipping.
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Old Apr 19, 2010 | 11:41 AM
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Default Re: HELP! torque lbft before and after dyno

Originally Posted by K5^
Greg had an I/H/E prior to getting a tune.
Still have not gotton a full tune yet. I did sdjustments myself.

Originally Posted by ajpturbopittsburgh
I thought dynopacks read even higher because they bolt right to the hub and you don't get the loss through the tires slipping.
[Quote from AJP]Yes thats true. There isnt a load on the tranny/motor of the car on a dyna pak. My dyno was with I/H/E and on roller dyno. I think it was dyno jet.

Don't our cars have 139 ft/lb stock? If so then I would expect the torque t be about 120 at the wheels on a dyno jet.

Greg how were you pulling more torque at the wheels than our cars make a the flywheel untuned?[/QUOTE]

idk ask the motor. http://www.youtube.com/watch?v=vnJ9lvbxEn0

Thanks for filming MICHA!!!

Last edited by Greg50Lt; Apr 20, 2010 at 11:05 AM.
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Old Apr 19, 2010 | 08:55 PM
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Default Re: HELP! torque lbft before and after dyno

Seems way off. Check out the resent on this site!
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Old Apr 21, 2010 | 05:21 PM
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Default Re: HELP! torque lbft before and after dyno

if this is the same guy who posted on 8th, you did it on a dynapack right?
something is wrong. because r18's are making the same tq as you with bolt-ons. here's my dyno chart after my tune. you should be somewhere around what my numbers are.

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