xr6thsveta Donating Members 100 Member For: 13y 1m 14d Gender: Male Location: Palmerston North. New Zealand Posted 17/07/12 12:13 AM Share Posted 17/07/12 12:13 AM (edited) Hi, I have a '04 BA XR6t and im getting it dynotuned again Friday for new injectors being put in. It also has CAI (pod filter) and CAT removed (NZ). I was wondering if anyone knows the power difference there would be if I tune it on 95 instead of 98. Also can you get a good tune out of 95. The tuner will load a VCM tune and tweek it from there. Cheers Martin PS. Injectors are 440s Edited 17/07/12 12:15 AM by xr6thsveta Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/ Share on other sites More sharing options...
unclewal Donating Members 583 Member For: 14y 8m 29d Posted 17/07/12 12:51 AM Share Posted 17/07/12 12:51 AM Depending on the quality of the fuel I would expect less timing and less boost running 95. So I would expect to see less power on 95 but not a massive difference I wouldnt think. Just my 2c anyway Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267770 Share on other sites More sharing options...
Shyfrd Turboless Donating Members 5,992 Member For: 14y 3m 22d Gender: Male Location: Geelong, Victoria Posted 17/07/12 01:53 AM Share Posted 17/07/12 01:53 AM If you get a 95 tune that means you always have to get 95..don't be filling with 98 and think she'll be right..lol Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267804 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 8m 26d Gender: Male Location: Perth Posted 17/07/12 01:55 AM Share Posted 17/07/12 01:55 AM If you get a 98 tune that means you always have to get 98..don't be filling with 95 and think she'll be right..lolFUXED BRO! 2 Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267807 Share on other sites More sharing options...
knoles Donating Members 390 Member For: 14y 3m 2d Gender: Male Location: Port Hedland Posted 17/07/12 02:53 AM Share Posted 17/07/12 02:53 AM 95 tunes sap heaps of power. My bf f6 with id1000 injectors and 5"cat only made 267kw, on 98 would've gone nearly 290 on the same dyno. The margin gets worse as mods increase. Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267812 Share on other sites More sharing options...
Shyfrd Turboless Donating Members 5,992 Member For: 14y 3m 22d Gender: Male Location: Geelong, Victoria Posted 17/07/12 03:19 AM Share Posted 17/07/12 03:19 AM (edited) Ah thanks Ralph..knew it was one way lol. Be running rich if he puts 98 in? Edited 17/07/12 03:23 AM by Shyfrd Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267818 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 8m 26d Gender: Male Location: Perth Posted 17/07/12 03:39 AM Share Posted 17/07/12 03:39 AM Nope stoichometric ratio (google it) for both 95 and 98 is the same. 98 is higher octane hence bigger bang for your buck so more HP. 1 Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267822 Share on other sites More sharing options...
Wenier Donating Members 1,736 Member For: 15y 5m Gender: Male Location: Christchurch, New Zealand Posted 17/07/12 04:00 AM Share Posted 17/07/12 04:00 AM Personally being in NZ I would tune for 95 using VCM as you cant have both tunes like on the Xcal. Think of it like this, is there anywhere in NZ that you might go with your vehicle and need to possibly fill up and not get 98 due to the location. Also if tuned for 98 and for some reason you couldnt get it you could fill with 95 but would have to drive very calmly and makes sure you dont boost hard on the lower octane. 1 Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267839 Share on other sites More sharing options...
xr6thsveta Donating Members 100 Member For: 13y 1m 14d Gender: Male Location: Palmerston North. New Zealand Posted 17/07/12 04:22 AM Author Share Posted 17/07/12 04:22 AM Cheers Wenier, that's why I thought the 95 tune would be better. Would the power difference be as much as 20rwkw? Although I would be happy with a good 250-260rwkw tune and much more then that you have to start worrying about valve springs and gearbox issues as I have read on other posts, also misses uses it as a daily driver. Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267852 Share on other sites More sharing options...
Pazzo Donating Members 11,132 Member For: 14y 7m 27d Gender: Male Posted 17/07/12 04:35 AM Share Posted 17/07/12 04:35 AM The up side of living in NZ, don't have have cat converters. 1 Link to comment https://www.fordxr6turbo.com/forum/topic/81008-difference-between-95-and-98-tune/#findComment-1267861 Share on other sites More sharing options...
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