Nukers City Goblin - 2009 SS/TC number 2 build
- Thread starter TheNuker
- Start date
Lndshrk Steve
Well-Known Member
FYI if you want it to look less like a snow plow, level off the wing endplates. You don't have to change the wing angle, just the end plates.
TheNuker
Goblin Guru
Zoom Zoom
Goblin Guru
Sorry for your luck
TheNuker
Goblin Guru
How are you all doing! Here we are with another 75 deg day in KC is this December or May!??!
So long story short, I've noticed for a while now that while im on the highway and behind say a semi truck with the strong air currents coming off I get just little micro cut outs on the engine when your not in boost, Basically just steady throttle.
Today the wind is gusting 30-65mph so I did a little test to confirm my suspicions, I let it idle to temp inside the garage idle was solid no blips nothing.
I back out into the wind gusts and boom everytime it gusts the engine cuts out for a split second over and over. Pull it back in idle is fine.
So I think i'm having the same issue I think maybe @ctuinstra was seeing with the MAF reading crazy air. Which is actually a relief because I was hoping it was not some other crazy issue. I'm going to buy one of those expensive honeycomb inserts for the intake and see if that will help smooth out the air a bit and test more. Although testing might not be until winter is over at this point
Anyone have a link to a quality honeycomb air straightener?
Thanks!
Nuker-
So long story short, I've noticed for a while now that while im on the highway and behind say a semi truck with the strong air currents coming off I get just little micro cut outs on the engine when your not in boost, Basically just steady throttle.
Today the wind is gusting 30-65mph so I did a little test to confirm my suspicions, I let it idle to temp inside the garage idle was solid no blips nothing.
I back out into the wind gusts and boom everytime it gusts the engine cuts out for a split second over and over. Pull it back in idle is fine.
So I think i'm having the same issue I think maybe @ctuinstra was seeing with the MAF reading crazy air. Which is actually a relief because I was hoping it was not some other crazy issue. I'm going to buy one of those expensive honeycomb inserts for the intake and see if that will help smooth out the air a bit and test more. Although testing might not be until winter is over at this point
Anyone have a link to a quality honeycomb air straightener?
Thanks!
Nuker-
OptimizePrime
Goblin Guru
HA-SS-300D6
Chevrolet Cobalt, Cobalt SS, & Colorado Mass Air Flow Housing | Performance MRP
Precision machined 6061 aluminum MAF housing designed to fit Chevrolet Cobalt & Cobalt SS mass air flow sensors. Made in the USA.
performancemrp.com
I'd also recommend testing whether a pipe coming up and over the frame pointing into the wind will help things, with how short the length is to the sensor and the angle the air is coming in could be causing some issues. I also purchased a long cone filter with a top opening
Amazon.com: Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 10.6 in (269 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9731, Black : Automotive
Buy Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round Tapered; 3 in/3.5 in/4 in Flange ID; 10.6 in (269 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, SPE-9731, Black: Air Filters - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
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Last edited:
ATMironov
Well-Known Member
I ordered this one. It has a nice pressure fit into the MAF tube.How are you all doing! Here we are with another 75 deg day in KC is this December or May!??!
So long story short, I've noticed for a while now that while im on the highway and behind say a semi truck with the strong air currents coming off I get just little micro cut outs on the engine when your not in boost, Basically just steady throttle.
Today the wind is gusting 30-65mph so I did a little test to confirm my suspicions, I let it idle to temp inside the garage idle was solid no blips nothing.
I back out into the wind gusts and boom everytime it gusts the engine cuts out for a split second over and over. Pull it back in idle is fine.
So I think i'm having the same issue I think maybe @ctuinstra was seeing with the MAF reading crazy air. Which is actually a relief because I was hoping it was not some other crazy issue. I'm going to buy one of those expensive honeycomb inserts for the intake and see if that will help smooth out the air a bit and test more. Although testing might not be until winter is over at this point
Anyone have a link to a quality honeycomb air straightener?
Thanks!
Nuker-
View attachment 29492
Car isn't running yet, so who knows if its doing anythign.
ctuinstra
Goblin Guru
The idea behind the honeycomb is good but the execution of it isn’t. They are way too short to create a really straight flow of air. The best idea by far, and the least popular, is to box the air filter so it’s not exposed to the wind. Every auto manufacturer does this. The other option is to locate the MAF way down the run of the tube, but the wind could still cause pressure differential.
We rotated our out of the wind stream and that helped enough, but it’s still effected by strong cross winds. It happened once during a windy autocross.
We rotated our out of the wind stream and that helped enough, but it’s still effected by strong cross winds. It happened once during a windy autocross.
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JBINTX
Goblin Guru
I have been following your posts with interest.
I wonder why I have not had similar issues?
dfkitcar.com
I wonder why I have not had similar issues?
Jason in Texas - ext. track - 09 SS/TC
Sunday night ice cream run to Sonic with the family - in each of their rides. Kind of got our own parade going..... :) Goblin on, friends!!
You have enough straight pipe before the MAF to help straighten out the air.I have been following your posts with interest.
I wonder why I have not had similar issues?
Jason in Texas - ext. track - 09 SS/TC
Sunday night ice cream run to Sonic with the family - in each of their rides. Kind of got our own parade going..... :) Goblin on, friends!!
View attachment 29502
Your MAF is too close to your turbo. It probably doesn't have anything to do with the wind effect but when the turbo spools up it will send some unwanted feed back to your MAF.How are you all doing! Here we are with another 75 deg day in KC is this December or May!??!
So long story short, I've noticed for a while now that while im on the highway and behind say a semi truck with the strong air currents coming off I get just little micro cut outs on the engine when your not in boost, Basically just steady throttle.
Today the wind is gusting 30-65mph so I did a little test to confirm my suspicions, I let it idle to temp inside the garage idle was solid no blips nothing.
I back out into the wind gusts and boom everytime it gusts the engine cuts out for a split second over and over. Pull it back in idle is fine.
So I think i'm having the same issue I think maybe @ctuinstra was seeing with the MAF reading crazy air. Which is actually a relief because I was hoping it was not some other crazy issue. I'm going to buy one of those expensive honeycomb inserts for the intake and see if that will help smooth out the air a bit and test more. Although testing might not be until winter is over at this point
Anyone have a link to a quality honeycomb air straightener?
Thanks!
Nuker-
View attachment 29492
Also make sure you do not push your air filter on too far. The end of the MAF tube needs to blend with the radius at the base of the filter or it will cause turbulence and the MAF will misread.
Scott #321
Well-Known Member
I haven't experienced this with my intake setup. Modified Hahn intake with long straight run before MAF and filter right above the fuel cell by the alternator. Trade off is intake is very loud in this location and it is not the coldest location to get air.
