E85 Turbo Spark Plug
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Teching In
Joined: Sep 2018
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E85 Turbo Spark Plug 
this is a 4.8 twin turbo on e85. Tr6 plugs. Haven't drove it yet. Just idling letting it get up to operating temperature, checking for leaks etc. Anyone got any input on these plugs? Need to add fuel, change timing, take away fuel. Thanks. The little white specks will wipe away easy. Didnt know exactly what they meant.
Your lack of responses is probably because something does not add up. That looks like aluminum specs on the plugs. That should be impossible to happen according to your description. REAL info is needed.
TECH Addict
Joined: Oct 2016
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From: PDX-OR-USA
That also looks like the Alcohol salts that show up with methanol, I think e85 will do the same thing, ar they white or silver,, in any case with E85/E100/Or straight Methanol, I'd run a top end lube in the fuel. (I've used Klotz version it works well in track cars. )
The salts are from the Alcohol combining with water and drying out. If the E85 had a bunch of water in it it would likely do that.
usually it shows up on aluminum and steel in a sprint car, dirt car..
The salts are from the Alcohol combining with water and drying out. If the E85 had a bunch of water in it it would likely do that.
usually it shows up on aluminum and steel in a sprint car, dirt car..
Put a BR7 NGK plug in it. Projected tip plugs don't belong in turbo cars. 6 heat range don't either. There is no reason for a hot plug or projected tip. E85 isn't likely to foul a plug unless the tune is ridiculously off. As far as the speckling, If its really only idle time its nothing to worry about. As far as lean/rich etc... use a WB02, not the plug. Idle timing isn't going to show on a plug. Tune for highest vacuum at desired RPM around 13-14 AFR. Plug reading is generally for WOT tuning only. Mostly used to read ground strap for WOT timing. Fueling on an e85 plug is difficult to read.
