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Turbofrog
Join Date: Aug 2009
Location: Europe
Posts: 1,677
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342 miles and now I filled the tank
18.23 mpg ~ 12.5 L/100km. Not bad with E85 and tuning with autotune and VEAL so lots of WOT runs too. My earlier good tune went to trash can as I found a torn vacuum line but now its good again and I even have a normal idle vacuum at 37kpa now.
Still no idle VE or idle valve, only hand throttle.
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************************************************** ******************************* 10/78 930: HX40Super, MS3pro+IDX1050+044+E85, ITB, 12 Denso COPs, TrueSplit-BB/2*38WGs, Weight<1100kg |
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09-10-2018, 11:25 AM
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Registered
Join Date: Jul 2006
Location: Honolulu, HI
Posts: 9,883
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WTF! I barely get into the double digits.
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The fun - '06 Carrera, '79 930, '06 S4 Avant, '16 i8 The mundane - '24 Tesla Model 3, '22 Tesla Model Y, '19 Tacoma |
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09-10-2018, 11:35 PM
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Turbofrog
Join Date: Aug 2009
Location: Europe
Posts: 1,677
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Lots of 40-50mph swinging backroads and since the engine pulls really good on fourth even on low revs I usually run in fourth if there are no hills or overtaking. 275/40-17 R888 at the back so no help there.
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************************************************** ******************************* 10/78 930: HX40Super, MS3pro+IDX1050+044+E85, ITB, 12 Denso COPs, TrueSplit-BB/2*38WGs, Weight<1100kg |
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09-11-2018, 04:52 AM
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Brando
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Wow I need a professional tune.
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Turbo powa! 1977 911s. it's cool |
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09-11-2018, 07:09 AM
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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,172
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Best I got on E10 was 26 or 28. 18 with E85 is astounding! Good job!
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09-11-2018, 07:15 AM
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Brando
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26-28? With a flat six turbo?
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Turbo powa! 1977 911s. it's cool |
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09-11-2018, 07:33 AM
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Turbofrog
Join Date: Aug 2009
Location: Europe
Posts: 1,677
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I think its doable on steady 50 mph on E85 too but steady is not fun. I’ve dialed all vacuum areas to 14.5afr to see if 3d map has any odd spots so it can get better with 15.5 to 16 which runs fine too. Timing is up to 45 IIRC on light cruise.
Having one gauge for mpg is nice with ms3pro. Does not work on idle as it get its data from vss speed signal and injectors. I think I have a broken head stud (leaks on cyl3 area)or its very loose. I hoped it was breather seal but it was clean.
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************************************************** ******************************* 10/78 930: HX40Super, MS3pro+IDX1050+044+E85, ITB, 12 Denso COPs, TrueSplit-BB/2*38WGs, Weight<1100kg |
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09-11-2018, 09:24 AM
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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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EFI is great. Lean it out, increase timing to match and get better mileage.
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Jamie - I can explain it to you. But I can not understand it for you. 71 911T SWT - Sun and Fun Mobile 72 911T project car. "Minne" - A tangy version of tangerine #projectminne classicautowerks.com - EFI conversion parts and suspension setups. IG Classicautowerks |
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09-11-2018, 11:40 AM
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Registered
Join Date: Jul 2009
Location: Ontario
Posts: 1,839
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gas mileage with my MS3 Pro conversion is great... must be 20% better than what I was getting with the old system. Hard to drive conservatively though...
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87 930 GHL/Rarlyl8/Garretson/GT3582R/1 Bar/Wevo shift, mounts/Meth inj/LM-2/Custom Fuchs/Carrera intake manifold/Xtreme Carrera heads P&P/3.4/DR 993SS cams/ Mahl/Pauter/JE/Niresist/ARP/twin COP/8.25:1/KEP stage 2/twin tials/close 2,3,4th. MS3Pro Evo 500+ HP, BTSOMP Dyno
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09-11-2018, 11:59 AM
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Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 9,172
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Quote:
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09-11-2018, 10:37 PM
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Turbofrog
Join Date: Aug 2009
Location: Europe
Posts: 1,677
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This tank has already 415 miles in it. It must be almost done as first gear WOT got some odd taper and jikes the log showed low fuel pressure!!!!
Has anyone istalled a surgetank or what its called for these kind of situations?
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************************************************** ******************************* 10/78 930: HX40Super, MS3pro+IDX1050+044+E85, ITB, 12 Denso COPs, TrueSplit-BB/2*38WGs, Weight<1100kg |
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09-22-2018, 01:57 AM
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hoonkraft
