k31th less WHY; more WOT Site Developer 28,309 Member For: 16y 17d Gender: Male Location: Melbourne Posted 19/12/20 05:51 AM Share Posted 19/12/20 05:51 AM haha any 98 is totally fine to use. Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,133 Member For: 9y 2m 28d Gender: Male Location: South Australia Posted 19/12/20 06:40 AM Share Posted 19/12/20 06:40 AM I only use bp98. I had to pull 2 degrees of timing out of my vx super6 because the missus accidentally used Mobil. Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,309 Member For: 16y 17d Gender: Male Location: Melbourne Posted 19/12/20 06:44 AM Share Posted 19/12/20 06:44 AM I use any 98 that's available and have no issues with all of my turbo falcons (to be sure, the most power I've ever had recorded on 98 is 345kW haha) Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,133 Member For: 9y 2m 28d Gender: Male Location: South Australia Posted 19/12/20 06:47 AM Share Posted 19/12/20 06:47 AM It makes a difference mate, trust me 1 Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,309 Member For: 16y 17d Gender: Male Location: Melbourne Posted 19/12/20 06:55 AM Share Posted 19/12/20 06:55 AM it's a bit off topic to the thread, but I seriously doubt BP would make their 98 more knock resistant than other major fuel manufacturers, since they all have to be independantly tested to obtain the RON rating. 1 Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,133 Member For: 9y 2m 28d Gender: Male Location: South Australia Posted 19/12/20 07:03 AM Share Posted 19/12/20 07:03 AM I agree with your logic but I stand by my experience. Link to comment Share on other sites More sharing options...
3Katz Donating Members 121 Member For: 6y 2m 22d Posted 19/12/20 07:05 AM Author Share Posted 19/12/20 07:05 AM Sorry guys I've had no end of trouble trying to post... Link to comment Share on other sites More sharing options...
adams355 Member 529 Member For: 6y 11m 26d Gender: Male Location: Brisbane Posted 19/12/20 07:17 AM Share Posted 19/12/20 07:17 AM Yea my car had an autotech tune in it when I bought it and it would ping on anything other than BP98. Most tuners prefer BP98 I have noticed. Apparently Shell have upgraded their 98 recently and is suppose to be better than BP, I don't know but I'm not a fan of the friction modifier they put in it anyways. Its all in the additive packs these days but the specs are not available to the public anymore. Link to comment Share on other sites More sharing options...
3Katz Donating Members 121 Member For: 6y 2m 22d Posted 19/12/20 07:28 AM Author Share Posted 19/12/20 07:28 AM Well it drives great, I've just driven the 400k home. I really don't have much to compare it too though except my old 400hp XY and that was a few years ago. Clint did say he notices a difference between Caltex and BP 98 but I doubt it would be the main issue here of being 50+ kw down. Ok my post was too long it seems. It's in a BA RTV and I'm using an eboost street as boost control, I wired it to see rpm in case he needed to use boost correction but he didn't need it so I think that means boost dropping of in the higher revs was not an issue? The engine is getting 19psi through the PW cooler so the charge is there or is it not that simple? Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,133 Member For: 9y 2m 28d Gender: Male Location: South Australia Posted 19/12/20 07:37 AM Share Posted 19/12/20 07:37 AM Hot day, sub par fuel, maybe exhaust and probably intercooler/iat's will be the reason it wont make more. The fuel alone will be worth about 20kw at that level in my experience, due to having reduced timing. Don't worry about the number though, that will change day to day by a fair bit anyway. Enjoy it for what it is. Link to comment Share on other sites More sharing options...
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