For Sale Or Trade- 1999 Bmw 740Il Updated Model. 4.4Ltr V8 With Tv, Sat Nav, Park Sensors And Every Luxury Option Available. Victoria Reg
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By Murray_Calavera · Posted
@Darrel It's so tempting to say e85 is borderline magic. It cools the intake charge, so if you're flirting with the edge of the turbos compressor map it helps dramatically cool down the hot air the turbos are pumping. It is very resistant to detonation so you can crank the timing, I don't really want to say you won't be knock limited anymore.... but you probably wont be knock limited anymore lol. I wouldn't be surprised if you made 20% more power swapping to e85 (provided you have the fuel system to support them, bigger injectors maybe bigger pump etc). -
@Murray_Calavera nah, not available yet, they're gearing up for it but won't be available for a few years. So you reckon fuel is the main issue? When this bottom did over 600rwhp it was running big single, twin Z32 MAFs and believe it or not, e manage blue, an old school piggyback 😅 not really a fair comparison but I guess it shows how a big single differs to smallish twins. -
By Murray_Calavera · Posted
@Darrel Can you get pump e85 where you are? If you want to max out those turbos, e85 + bigger modern injectors will be the easiest way to get you there. -
Hi @Butters , thanks for your reply. Pump 97 BTW but yeah, I get that old tech is what it is and can't compare to modern stuff but I still believe 500 is achievable, even with these smallish twins. Their effective limit is around what, 24 psi? Intend to go single one day but then again, I'm not chasing big power and might not be worth the investment. Just wondering what if any factors are limiting my setup after a few changes. Let's call this Dyno 02. This is after R35 MAFs, 720cc injectors, DW300 FP, HKS step 2 264/264 cams.
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Was away on holidays last week and hadn't heard from powder coater, so I gave them a bell and it was all ready. Went and picked it up yesterday and gave it a clean this afternoon and started bolting it up. Mate finally got around to ordering my new ECU, hopefully thats here this week and I can start getting that mounted and finish the wiring on it. Tomorrow I'll try and get the exhaust back in and see what else I can tick off the list
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