Miguels Posted October 21, 2015 Report Share Posted October 21, 2015 I for sure would run nothing less than 91 in that thing. I mean if you do the math it's only a few dollars more per tank to run premium. I'm spoiled Here too and can get 100 ocante unleaded at the pump from a station near my work and 94 octane at one near my house. Have you noticed any spark knock running the 89? off topic, but in that S/C mustang I put together, we noticed knock going from 91 to 93. Plugs were gapped and the tuned was set up just for 91 though, and it was a colder night than usual, but still. Scary shit when you are cramming 8lbs of boost into something and you start popping up some serious spark knock at 4000rpm.once it warms up after winter, 12lb pulley is going in and e85 is going to be the choice fuel should be close to 800rwhp. did you guys upgraded the injectors and fuel pump? Only way I'd do high boost is if it has intercooler. No intercooler I would stay at 5-7 lb of boost or lower my compression a few points to run 10-12 lb of boost. my logshttp://www.stevemead...-my-new-set-up/my blow through loghttp://www.stevemead...future-updates/ 96 ss http://www.stevemeadedesigns.com/board/topic/164094-96-impala-ss-build/ Link to comment Share on other sites More sharing options...
OrzechNJ Posted October 21, 2015 Report Share Posted October 21, 2015 Vpower all the way here.. Little more expensive but for a couple extra bucks im getting 50+ more miles per tank and car drives solid sometimes Loud is NOT pretty Sounds like its safe to go ahead and bend that ass over. Link to comment Share on other sites More sharing options...
OrzechNJ Posted October 21, 2015 Report Share Posted October 21, 2015 I put regular a coupletimes and I beryl made 200miles on 18 galons LOL sometimes Loud is NOT pretty Sounds like its safe to go ahead and bend that ass over. Link to comment Share on other sites More sharing options...
Miguels Posted October 21, 2015 Report Share Posted October 21, 2015 I haven't noticed any fuel mileage difference between octane Seen a video of the testing and showed that a car made to run on 87 octane actually spent more fuel when running premium it also polluted the air more. Should look it up. As for me I tried it and I got same mileage no matter the octane my logshttp://www.stevemead...-my-new-set-up/my blow through loghttp://www.stevemead...future-updates/ 96 ss http://www.stevemeadedesigns.com/board/topic/164094-96-impala-ss-build/ Link to comment Share on other sites More sharing options...
yurvalentine Posted October 21, 2015 Report Share Posted October 21, 2015 I for sure would run nothing less than 91 in that thing. I mean if you do the math it's only a few dollars more per tank to run premium. I'm spoiled Here too and can get 100 ocante unleaded at the pump from a station near my work and 94 octane at one near my house. Have you noticed any spark knock running the 89? off topic, but in that S/C mustang I put together, we noticed knock going from 91 to 93. Plugs were gapped and the tuned was set up just for 91 though, and it was a colder night than usual, but still. Scary shit when you are cramming 8lbs of boost into something and you start popping up some serious spark knock at 4000rpm.once it warms up after winter, 12lb pulley is going in and e85 is going to be the choice fuel should be close to 800rwhp. did you guys upgraded the injectors and fuel pump? Only way I'd do high boost is if it has intercooler. No intercooler I would stay at 5-7 lb of boost or lower my compression a few points to run 10-12 lb of boost. Mod motors don't work well with low compression, stock pistons with ported heads is about the lowest you want to run. Race fuel is all but necessary. Link to comment Share on other sites More sharing options...
OrzechNJ Posted October 21, 2015 Report Share Posted October 21, 2015 I guess it depends from motor.. I once put premium to 2000 accord 2.3l I used to have and I made way less miles than on regular.. sometimes Loud is NOT pretty Sounds like its safe to go ahead and bend that ass over. Link to comment Share on other sites More sharing options...
Lbox88 Posted October 21, 2015 Report Share Posted October 21, 2015 My equinox runs happier on 89 and I get a smidge better mileage, book for it says to use 87 unless you have the turbo then use 89 when towing and 87 normal driving UBL | Build Log Link to comment Share on other sites More sharing options...
boom50cal Posted October 21, 2015 Report Share Posted October 21, 2015 I for sure would run nothing less than 91 in that thing. I mean if you do the math it's only a few dollars more per tank to run premium. I'm spoiled Here too and can get 100 ocante unleaded at the pump from a station near my work and 94 octane at one near my house. Have you noticed any spark knock running the 89? off topic, but in that S/C mustang I put together, we noticed knock going from 91 to 93. Plugs were gapped and the tuned was set up just for 91 though, and it was a colder night than usual, but still. Scary shit when you are cramming 8lbs of boost into something and you start popping up some serious spark knock at 4000rpm.once it warms up after winter, 12lb pulley is going in and e85 is going to be the choice fuel should be close to 800rwhp. did you guys upgraded the injectors and fuel pump? Only way I'd do high boost is if it has intercooler. No intercooler I would stay at 5-7 lb of boost or lower my compression a few points to run 10-12 lb of boost. Mod motors don't work well with low compression, stock pistons with ported heads is about the lowest you want to run. Race fuel is all but necessary. Paxton Novi 2200 kit, IDMax ID1000 injectors, Boost-a-Pump, and yes it was intercooled. at 90* air temperature, IAT's floated around 105*. Mind you it's a bone stock, unopened Coyote motor. Come December, if price of oil comes back up, motor is getting torn into and a boss crank is getting thrown in along with some other forged bottom end parts, some mild head work, billet oil pump gears, and a Boss Intake manifold. Along with the 12lb pulley. Motor should be capable of holding 1000hp all day long. Trans is getting swapped from an MT-82 to either a T56 magnum or a 6R80 automatic with billet intermediate shaft and kevlar clutch packs. On 1/4/2013 at 9:31 PM, HatersGonnaHate said: Wow. 184 posts and I think you're a fucking asshole. Link to comment Share on other sites More sharing options...
n8ball2013 Posted October 21, 2015 Report Share Posted October 21, 2015 The only people who want oil to come back up are the oil workers lol THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
boom50cal Posted October 21, 2015 Report Share Posted October 21, 2015 oil workers and all the people that make their money off dumbass oil workers lmao. I'll be one of the two when oil picks back up. On 1/4/2013 at 9:31 PM, HatersGonnaHate said: Wow. 184 posts and I think you're a fucking asshole. Link to comment Share on other sites More sharing options...
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