View Full Version : Spark plugs gap for big turbo?
StatusQuo
09-06-2017, 03:46 PM
As the title says. I searched but only find good info for chipped cars.
What do you guys recommend? Stick with .028 or go smaller? I haven't installed my plugs yet (letting the engine cool) but I have gapped mine to .025
I'll change it if y'all recommend anything else.
Plugs are BKR7E
My setup is on an e50 mix and hp around 320awhp. Spool is at 4k.
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vce1232000
09-06-2017, 03:52 PM
What is your spike boost psi [confused]
StatusQuo
09-06-2017, 03:55 PM
What is your spike boost psi [confused]
Umm actually the 320hp is what I'm aiming for after this plug and 3bar map install. So I'm guessing 25psi?
I could run what's recommended for K04 maybe?
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vce1232000
09-06-2017, 04:02 PM
Do you have a boost psi gauge installed [confused]. I ask because some higher psi BT mite blow out the spark and will need to gap the plugs closer or get a modified igniters to keep the spark strong so it doesnt get blown out or miss
StatusQuo
09-06-2017, 04:04 PM
Do you have a boost psi gauge installed [confused]. I ask because some higher psi BT mite blow out the spark and will need to gap the plugs closer or get a modified igniters to keep the spark strong so it doesnt get blown out or miss
Right now I'm peaking 21psi. After the plug and 3bar map install, I'm raising it to 25 psi or whatever gets me to 320awhp.
I'm logging psi with vcds
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vce1232000
09-06-2017, 04:08 PM
Imo gaps between .25-.28 are fine with boost up to 28 psi of boost
StatusQuo
09-06-2017, 04:18 PM
Imo gaps between .25-.28 are fine with boost up to 28 psi of boost
Got it. What gap you running on the K04?
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vce1232000
09-06-2017, 04:41 PM
[wrench] @ .28
StatusQuo
09-06-2017, 04:57 PM
[wrench] @ .28
For sure. I went in the middle of your recommendation and gapped to .026.
I'll see how it runs lol
Flashing my new file now. I'm setting it to 24psi and let's see what the virtual dyno says lol
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vce1232000
09-06-2017, 05:01 PM
let's see what the virtual dyno says lol
Fancy phrasing for butt dyno [confused]...............[:p]
StatusQuo
09-06-2017, 05:05 PM
Fancy phrasing for butt dyno [confused]...............[:p]
Haha. It's legit!
https://barnhill.bitbucket.io
The dsm and Evo guys use it. Consensus concludes it's very accurate.
Uses some physics along with your log data and calculates stuff. Plots AFR and all that. It's compatible with rosstech and Maestro logs
be sure to click the link on PC. Clicking the link on my Android phone takes it to a pretty crappy mobile app. The PC app is where it's at
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vce1232000
09-06-2017, 05:09 PM
Haha. It's legit!
https://barnhill.bitbucket.io
The dsm and Evo guys use it. Consensus concludes it's very accurate.
Uses some physics along with your log data and calculates stuff. Plots AFR and all that. It's compatible with rosstech and Maestro logs
be sure to click the link on PC. Clicking the link on my Android phone takes it to a pretty crappy mobile app. The PC app is where it's at
Interesting [up]. learn something new everyday [:)]