14 Second 1/4 Mile Times Naturally Aspirated
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Joined: May 2014
Posts: 1,917
From: Delaware
14 Second 1/4 Mile Times Naturally Aspirated
Meh...can't make this go away. Can't stop thinking about it. Need to be able to hang with stock integra type R's and late model Honda Civic Si's.
Our Fits can do it. It must be done. Any tips and suggestions are appreciated.
So far....mods (or incoming mods) in my sig.
As far as weight reduction, rear seats removed, lighter/wheel tire combo and spare tire removed, those are covered.
Gonna change exhaust back to full mandrel bent 2" piping all the way back. If J's racing and Spoon (Slightly smaller than 2") is taking this route, they may be on to something. I'm just waiting for the 2" exhaust piece to arrive.
Two 14.9's in the 1/4 and it'll be time to pop the champagne bottle.
Again, taking in any suggestions. Not just power wise. Weight Reduction! Aerodynamics! Reduced friction between components. Better traction! Reduced Rotational mass! Yes.........anything to help with forward acceleration. This is working with the current engine and naturally aspirated. No nitrous! No turbo/supercharger. No engine swap! Thanks!
Our Fits can do it. It must be done. Any tips and suggestions are appreciated.
So far....mods (or incoming mods) in my sig.
As far as weight reduction, rear seats removed, lighter/wheel tire combo and spare tire removed, those are covered.
Gonna change exhaust back to full mandrel bent 2" piping all the way back. If J's racing and Spoon (Slightly smaller than 2") is taking this route, they may be on to something. I'm just waiting for the 2" exhaust piece to arrive.
Two 14.9's in the 1/4 and it'll be time to pop the champagne bottle.
Again, taking in any suggestions. Not just power wise. Weight Reduction! Aerodynamics! Reduced friction between components. Better traction! Reduced Rotational mass! Yes.........anything to help with forward acceleration. This is working with the current engine and naturally aspirated. No nitrous! No turbo/supercharger. No engine swap! Thanks!
Last edited by Myxalplyx; Apr 5, 2015 at 11:19 PM.
I think a tenth or two is still in that 60'. With my AutoX setup (gross amounts of static negative camber) I'm regularly in the low 2.3xx's and I likely have less power! Have you done anything suspension wise to firm the rear to stop the weight shift in launch? With the Ktuner do you have a "rev launch?"
Thread Starter
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Member
Joined: May 2014
Posts: 1,917
From: Delaware
I think a tenth or two is still in that 60'. With my AutoX setup (gross amounts of static negative camber) I'm regularly in the low 2.3xx's and I likely have less power! Have you done anything suspension wise to firm the rear to stop the weight shift in launch? With the Ktuner do you have a "rev launch?"
I like your idea though. My 60fts are in the 2.4's with a rare 2.3 thrown in the mix every now and then.
Ktuner hasn't figured out the 2015 ECU yet. That is still a work in progress.
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Member
Joined: May 2014
Posts: 1,917
From: Delaware
**Update**
Cams hurt me a bit.
The lightweight NST pulley brought me back to where I was.
Some recent adjustments to test with ignition timing advanced a few degrees and a slight, tiny, tiny bump in peak rpm.
Maf g/s has been observed to be up by 5g/s or so.
Intake Psi is up by .2psi from before.
Track is scheduled to open Friday but may be too cold out. Last runs I did was in the 15.4-15.5 range.
Staying focused! Got to do this....... I feel this platform has got the guts to do it while naturally aspirated.
There has been some progress with Ktuner and the older models as well. Things are looking up. Hoping to hear from you guys.
Cams hurt me a bit.
The lightweight NST pulley brought me back to where I was.
Some recent adjustments to test with ignition timing advanced a few degrees and a slight, tiny, tiny bump in peak rpm.
Maf g/s has been observed to be up by 5g/s or so.
Intake Psi is up by .2psi from before.
Track is scheduled to open Friday but may be too cold out. Last runs I did was in the 15.4-15.5 range.
Staying focused! Got to do this....... I feel this platform has got the guts to do it while naturally aspirated.
There has been some progress with Ktuner and the older models as well. Things are looking up. Hoping to hear from you guys.
Thread Starter
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Member
Joined: May 2014
Posts: 1,917
From: Delaware
92 octane! Always!
Member
Joined: Jan 2015
Posts: 358
From: Murica
**Update**
Cams hurt me a bit.
The lightweight NST pulley brought me back to where I was.
Some recent adjustments to test with ignition timing advanced a few degrees and a slight, tiny, tiny bump in peak rpm.
Maf g/s has been observed to be up by 5g/s or so.
Intake Psi is up by .2psi from before.
Track is scheduled to open Friday but may be too cold out. Last runs I did was in the 15.4-15.5 range.
Staying focused! Got to do this....... I feel this platform has got the guts to do it while naturally aspirated.
There has been some progress with Ktuner and the older models as well. Things are looking up. Hoping to hear from you guys.
Cams hurt me a bit.
The lightweight NST pulley brought me back to where I was.
Some recent adjustments to test with ignition timing advanced a few degrees and a slight, tiny, tiny bump in peak rpm.
Maf g/s has been observed to be up by 5g/s or so.
Intake Psi is up by .2psi from before.
Track is scheduled to open Friday but may be too cold out. Last runs I did was in the 15.4-15.5 range.
Staying focused! Got to do this....... I feel this platform has got the guts to do it while naturally aspirated.
There has been some progress with Ktuner and the older models as well. Things are looking up. Hoping to hear from you guys.
Member
Joined: Oct 2015
Posts: 1,465
From: Portland Or
Just a tidbit I got from spending a few days with Sunoco fuel engineers at a Indycar race...
(I was helping manage delivery to the teams) NO pressure here just passing along what I was told when we were waiting for requests... (You end up sitting around a lot at pro races....)
Dont mix race gas and pump gas. Its a lot cause..
The reason is that pump gas blends are dynamic, they change the chemical packages all the time because sometimes one is cheaper or easier to get. Fuel additives can be either additive (Gain octane) subtractive (lose octane) or do nothing. They had done a lot of random testing buying a gallon of pump and mixing it with a gallon of race gas and only about 1 in7 actually ended up at a higher octane than the pump gas started out with. most did nothing , some actually dropped the octane to a much lower number. Some additives blend to nasty combinations that are corrosive or become tacky and foul filters and such over time.
The pump gas has an additive that helps prevent evaporation, race fuel does not. That among everything else is why you use race gas, it vaporizes faster and becomes a nearly true gas in the intake manifold. Thats why occasionally you get a nice felt boost in power when you home mix, you get lucky and the race gas reduces the vapor pressure of the fuel and it distributes better in the system. Race gas also often uses an additive package that is not something they would use in a street car because of many factors (toxicity/Pollution/other unknowns)
YMMV-FWIW-Eplurbus Unum.
(I was helping manage delivery to the teams) NO pressure here just passing along what I was told when we were waiting for requests... (You end up sitting around a lot at pro races....)
Dont mix race gas and pump gas. Its a lot cause..
The reason is that pump gas blends are dynamic, they change the chemical packages all the time because sometimes one is cheaper or easier to get. Fuel additives can be either additive (Gain octane) subtractive (lose octane) or do nothing. They had done a lot of random testing buying a gallon of pump and mixing it with a gallon of race gas and only about 1 in7 actually ended up at a higher octane than the pump gas started out with. most did nothing , some actually dropped the octane to a much lower number. Some additives blend to nasty combinations that are corrosive or become tacky and foul filters and such over time.
The pump gas has an additive that helps prevent evaporation, race fuel does not. That among everything else is why you use race gas, it vaporizes faster and becomes a nearly true gas in the intake manifold. Thats why occasionally you get a nice felt boost in power when you home mix, you get lucky and the race gas reduces the vapor pressure of the fuel and it distributes better in the system. Race gas also often uses an additive package that is not something they would use in a street car because of many factors (toxicity/Pollution/other unknowns)
YMMV-FWIW-Eplurbus Unum.
Member
Joined: Mar 2016
Posts: 36
From: St. Louis, MO
Just a tidbit I got from spending a few days with Sunoco fuel engineers at a Indycar race...
(I was helping manage delivery to the teams) NO pressure here just passing along what I was told when we were waiting for requests... (You end up sitting around a lot at pro races....)
Dont mix race gas and pump gas. Its a lot cause..
The reason is that pump gas blends are dynamic, they change the chemical packages all the time because sometimes one is cheaper or easier to get. Fuel additives can be either additive (Gain octane) subtractive (lose octane) or do nothing. They had done a lot of random testing buying a gallon of pump and mixing it with a gallon of race gas and only about 1 in7 actually ended up at a higher octane than the pump gas started out with. most did nothing , some actually dropped the octane to a much lower number. Some additives blend to nasty combinations that are corrosive or become tacky and foul filters and such over time.
The pump gas has an additive that helps prevent evaporation, race fuel does not. That among everything else is why you use race gas, it vaporizes faster and becomes a nearly true gas in the intake manifold. Thats why occasionally you get a nice felt boost in power when you home mix, you get lucky and the race gas reduces the vapor pressure of the fuel and it distributes better in the system. Race gas also often uses an additive package that is not something they would use in a street car because of many factors (toxicity/Pollution/other unknowns)
YMMV-FWIW-Eplurbus Unum.
(I was helping manage delivery to the teams) NO pressure here just passing along what I was told when we were waiting for requests... (You end up sitting around a lot at pro races....)
Dont mix race gas and pump gas. Its a lot cause..
The reason is that pump gas blends are dynamic, they change the chemical packages all the time because sometimes one is cheaper or easier to get. Fuel additives can be either additive (Gain octane) subtractive (lose octane) or do nothing. They had done a lot of random testing buying a gallon of pump and mixing it with a gallon of race gas and only about 1 in7 actually ended up at a higher octane than the pump gas started out with. most did nothing , some actually dropped the octane to a much lower number. Some additives blend to nasty combinations that are corrosive or become tacky and foul filters and such over time.
The pump gas has an additive that helps prevent evaporation, race fuel does not. That among everything else is why you use race gas, it vaporizes faster and becomes a nearly true gas in the intake manifold. Thats why occasionally you get a nice felt boost in power when you home mix, you get lucky and the race gas reduces the vapor pressure of the fuel and it distributes better in the system. Race gas also often uses an additive package that is not something they would use in a street car because of many factors (toxicity/Pollution/other unknowns)
YMMV-FWIW-Eplurbus Unum.
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