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looks simple to me: you pay more for E85 and get less MPG - so you have to buy even more E85 to get the same distance. As bonus you'll get engine and fuel lines issues. And about "green" - to produce / extract E85 farmers uses plain oil / diesel. It's like double oil consumption == 2x CO2 -...

How to check it out without removing engine?

which one is better for MPG? 5W or 10W? Someone told me that 10W is better for MPG in warm / hot CA. Is it true? Or it's has nothing to do with MPG? Thank you.

is 0W30 better then? is it safe to use 0W30?

Hi all, I'm planning to move to Synthetic M1 oil after 60k ml. I'm using 10W30 Penzoil. By manual is 5W30. I'm in SF Bay Area, where I don't see anything below 60 F. So I'm using 10W30 to get better MPG. Which one should I use 5W30 or 10W30 or etc.? thanks.

will ST holds 7500 to 10000 ml on M1? that then saves my time for one less oil change in 6 months. Will I gain or loose any MPG in that case? What fuel additive you are talking about? I'm not sure I need auto-rx for a while ... I'm using Costco (76's IMO) or Shell 87 only. thanks

Hi all, In next month I'm going to do 60k service for my Honda CR-V. I'm changing oil and filter every 37xx ml using Penzoil 10W-30 for $0.89/Q and Walmart's ST 93 filter for $1.99 and addind Techron concentate ($5) for every 15k. So far don't see any problems. The MPG around 23 to 26. I didn't...

thank you all for inputs. I'm newbee and at first don't want make any damages to my cars. BG44K for profi - IMHO - may be I'll try it in the next 30k ml - who knows I think I'll start with Techron - looks like it's the safest one - again IMHO. and doesn't require any oil / filters change after...

that makes my worry I need replace sparks every 30k ml only now I have around 50k ml so may be I need to wait until 60k ml - 500 ml to run cleaning that then change spark, oil, fuel filters ... like that? tnx

tnx for the link. so far I didn't find the answer to my Q. Must I change oil + oil filter right after use of Techron? nothing about that in direction to use are there right steps (as for BG44k too - which is 4 times expensive and danger / risky to use - IMHO)? 1. Near an empty gas tank...

hi all, should I use it 500 ml before change oil? put to empty tank? tnx

hi, just found this board, looks like the experts are here ;-) there is my Q. I have around 50k ml on my Civic does make any sense to use any cleaners as preventive maintains? if yes - which one? that what I found so far: BG44K - $22. (Internet) for 10k ml Techron - $6. (Wal-Mart) for 3k ml...