Yes new bumber is on place. Cannot say for sure its effect on MPG figures. I should still manufacture openable plate. Also the intercooler should be moved. After that full air ducting from in to out through bonnet. Air outlets will be like ford focus WRC car... Those inlet include new lighter bonnet
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Most of my bad MPG figures are caused by sum of bad things:
1. I drive over 120km/h on motorways, even if the speed limit is 100. My regular driving route in 60% on motorways... On my best tanks I have only drived below 100 km/h speeds on motorways.
2. My winter tires are with much smaller diameter, and also not good on rolling resistance. Also I dont want to drive behind anyone, because my tires arent so good on grip. So I cannot use draft as much as on summer...
3. Winter. lots of cold starts on -10 to -20 celsius. Also the roads are in bad condition, rains snow, have to use electrical devices a lot etc...
4. I have almost totally stopped driving with P&G style, because the car doest roll so good.
I tried to drive one tank at winter with full P&G mode but the resulst was only a 3.7l/100km so I didint bother to use that at winter anymore.
Dont worry, everything is about to change.
1. Summer is coming and modifications will continue.
2. I have purchased already Michelin energy saver tires so that is best at the moment on LRR tire section
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3. Also I will try even larger front tires to lower my gearing even more.
4. More mods are coming!!!
How ever you wont see so many good tanks as last summer, because I have calculated that so that I appreciate more of the time what I am not in my car driving under speed limits. So I will drive most of my motorway tanks 120km/h like at winter...
This summers target is to reach 2000 km in one tank mark. That is 85,5 MPG. Also I will try to reach 100 MPG target on my regular work route which is ca 430 km.