Dyno Tricks?
Thread Starter
TECH Resident
Joined: Oct 2008
Posts: 801
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From: Anaheim Ca.
Dyno Tricks? I was wondering about things that will make a car dyno the highest possible, I made a list and am looking for real world net gains, if any at all. Feel free to add any that you can think of.
Remove air filter
Lighter rear wheels and tires
Add octane booster
Clean MAF
Carbon Fiber driveshaft
Light flywheel and clutch (if manual)
Take off all belts (if using EWP)
Cool or cold day
160 T-Stat
Cut out
Remove cats
Remove air filter
Lighter rear wheels and tires
Add octane booster
Clean MAF
Carbon Fiber driveshaft
Light flywheel and clutch (if manual)
Take off all belts (if using EWP)
Cool or cold day
160 T-Stat
Cut out
Remove cats
Last edited by slow ride 02; Feb 6, 2013 at 11:01 PM.
I was wondering about things that will make a car dyno the highest possible, I made a list and am looking for real world net gains, if any at all. Feel free to add any that you can think of.
Remove air filter
Lighter rear wheels and tires
Add octane booster
Clean MAF
Carbon Fiber driveshaft
Light flywheel and clutch (if manual)
Take off all belts (if using EWP)
Cool of cold day
160 T-Stat
Cut out
Remove cats
Remove air filter
Lighter rear wheels and tires
Add octane booster
Clean MAF
Carbon Fiber driveshaft
Light flywheel and clutch (if manual)
Take off all belts (if using EWP)
Cool of cold day
160 T-Stat
Cut out
Remove cats
Octane boost will only help if you can advance the timing in the tune while on the dyno. I have a cme, but my cutout added nearly 20rwhp...
Heat the weather station to OVER CORRECT the dyno pull for SAE numbers...
I find it funny when people dyno with the doors all wide open, fans roaring, in December/January and make 520/516wtq UNCORRECTED but make 595/588wtq CORRECTED...
I find it funny when people dyno with the doors all wide open, fans roaring, in December/January and make 520/516wtq UNCORRECTED but make 595/588wtq CORRECTED...
Why bother? It's just a number. I use a dyno to show what a mod changed from before to after. If you don't run it on the dyno how you drive it, what's the point?
Edit:
Stuff like a carbon fiber shaft and lighter wheels and tires isn't tricking anything. It helps the motor accelerate quicker by removing rotating mass. Same with a light flywheel and clutch.
Edit:
Stuff like a carbon fiber shaft and lighter wheels and tires isn't tricking anything. It helps the motor accelerate quicker by removing rotating mass. Same with a light flywheel and clutch.
Most people go by a SAE correction factor for dyno numbers but when it comes to 1/4 ET/MPHs they wait till the middle of winter to get a rediculous DA and get awesome ET & MPHs.
If people go by SAE corrected dyno numbers, shouldnt the track times be converted to the corrected ET & MPH?
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Thread Starter
TECH Resident
Joined: Oct 2008
Posts: 801
Likes: 1
From: Anaheim Ca.
You guys got it all wrong. Theres no bet, nor do I want inflated numbers. Looks like maybe I should have said dyno tips? I was looking for real world HP gains if any at all (using the dyno as a tool) from the things on my list. I only got one answer that I was looking for. One guy picked up 20 HP using a cut-out. 
Last edited by slow ride 02; Feb 11, 2013 at 09:25 PM.
I did, but I have a CME that has 90 degree elbows at the tips so ymmv.
I was wondering about things that will make a car dyno the highest possible, I made a list and am looking for real world net gains, if any at all. Feel free to add any that you can think of.
Remove air filter---------------------> dont do it
Lighter rear wheels and tires---------> worth it
Add octane booster-----------------> useless
Clean MAF--------------------------> useless if you took care of your ride
Carbon Fiber driveshaft--------------> waste of money in terms of hp gain(unless going with a custom rear end, its more for durability)
Light flywheel and clutch (if manual)---> good investment
Take off all belts (if using EWP)--------> should be the last mod ever, even then its a stretch
Cool or cold day-----------------------> good to brag about numbers but nothing else
160 T-Stat-------------->good ****
Cut out------------------> depends what is your exhaust setup
Remove cats---->best thing on your list after wheels(be prepared for gas smell)
Remove air filter---------------------> dont do it
Lighter rear wheels and tires---------> worth it
Add octane booster-----------------> useless
Clean MAF--------------------------> useless if you took care of your ride
Carbon Fiber driveshaft--------------> waste of money in terms of hp gain(unless going with a custom rear end, its more for durability)
Light flywheel and clutch (if manual)---> good investment
Take off all belts (if using EWP)--------> should be the last mod ever, even then its a stretch
Cool or cold day-----------------------> good to brag about numbers but nothing else
160 T-Stat-------------->good ****
Cut out------------------> depends what is your exhaust setup
Remove cats---->best thing on your list after wheels(be prepared for gas smell)
**Theres a lot of better stuff to do with your money for hp gains** like U/D pulleys
What are your mods/car/setup???
Last edited by Johnnystock; Feb 12, 2013 at 01:34 AM.
Isnt that the same as someone running their car at the track in December to get negative 2000' DA or more.
Most people go by a SAE correction factor for dyno numbers but when it comes to 1/4 ET/MPHs they wait till the middle of winter to get a rediculous DA and get awesome ET & MPHs.
If people go by SAE corrected dyno numbers, shouldnt the track times be converted to the corrected ET & MPH?
Most people go by a SAE correction factor for dyno numbers but when it comes to 1/4 ET/MPHs they wait till the middle of winter to get a rediculous DA and get awesome ET & MPHs.
If people go by SAE corrected dyno numbers, shouldnt the track times be converted to the corrected ET & MPH?
I totaly agree and have been saying that for years. It just seems that no one wants to hear it. Especially the guys that live on the North East Coast and go to Atco or E-Town. It isn't fair for the guys that live in New Mexico or other places where they never see under +1500DA. Not taking anything away from guys that live near great tracks. I just don't think all the fastest cars in the states come out of one place. If some one posts NHRA corrected times they get jumped on but you better not post dyno numbers that are not SAE smoothed to 5.