Street Tuner Member 727 Member For: 22y 12d Posted 29/01/06 03:20 AM Share Posted 29/01/06 03:20 AM Yes octane booster will increase the power potential of the fuel by raising the octane slightly. However if there are still 'safe AFRs' available at the existing 302rwkw on stock injectors (regardless of the fuel octane) how are bigger injectors and an even 'safer AFR' going to make more power? Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 8m 11d Gender: Male Location: Victoria Posted 29/01/06 03:24 AM Share Posted 29/01/06 03:24 AM I see... Good point. Link to comment Share on other sites More sharing options...
ZAP No boost, no bottle, just my foot on the throttle! Lifetime Members 7,935 Member For: 20y 10m 22d Gender: Male Location: Sydney Posted 29/01/06 03:26 AM Share Posted 29/01/06 03:26 AM I think you need to put some silicone or hairspray on the cooler hoses and change the claps or double clamp them.I would suggest a bigger fuel pump, injectors and valvae springs.This will give you the power you are after Link to comment Share on other sites More sharing options...
Street Tuner Member 727 Member For: 22y 12d Posted 29/01/06 08:02 AM Share Posted 29/01/06 08:02 AM You have stated many times now (which I have already quoted one instance of) that your injectors are big enough for SAFE AFRs at 302rwkw....Now why do you want bigger injectors for 290 - 300rwkw? I know the answer of course (its called physics), but I think you owe it to the rest of the forum. After all, we are here to learn. Link to comment Share on other sites More sharing options...
shockF6 Member 478 Member For: 19y 3m 1d Location: Melbourne Posted 29/01/06 08:27 AM Share Posted 29/01/06 08:27 AM Yes octane booster will increase the power potential of the fuel by raising the octane slightly. However if there are still 'safe AFRs' available at the existing 302rwkw on stock injectors (regardless of the fuel octane) how are bigger injectors and an even 'safer AFR' going to make more power?I thought you needed less fuel to make the same power if it had a higher octane rating? or is that something that I picked up from the marketing department of the oil companies With so many conflicting views on injectors it would be really good if we could clear this up once and for all Link to comment Share on other sites More sharing options...
Street Tuner Member 727 Member For: 22y 12d Posted 29/01/06 08:35 AM Share Posted 29/01/06 08:35 AM (edited) 300ml of octane booster poured into your tank isnt going to change the Specific Gravity of the fuel too much...I think someone has slipped up here and come out with something that in hindsight after some very wild claims that they should not of made...at least publicly.The bottom line is that the people that use this forum as a sounding board for learning ideas are going to get THE very wrong idea from all this 300rwkw safe AFR injector stuff and possibly destroy their engines trying (or making their tuners try). This is no good for the workshops involved but even more so no good for this forum or the XR6T scene in general with owners potentially winding up with scrap metal under the bonnet and a bad taste in their mouth about cars which most are passionate.Its good in a way that Trough Lolly has come clean and admitted that for a genuine and driveable 300rwkw he needs to upgrade the injectors. Hopefully some of the smarter stuff he has read on this forum convinced him of this. That and the dyno sheet that no one has been allowed to see. It would be ghastly at best. Edited 29/01/06 08:50 AM by Street Tuner Link to comment Share on other sites More sharing options...
jetute Donating Members 4,553 Member For: 20y 11m 4d Gender: Male Location: brisbane Posted 29/01/06 08:57 AM Share Posted 29/01/06 08:57 AM im after about 290-300 Daily map on BP Ultimate only and would like about 320-330 race map with boosted Ultimate.I guess he wants 320-330 safely using octane boost or equivalent Link to comment Share on other sites More sharing options...
FPV TRANNY Im the one and only Donating Members 3,557 Member For: 19y 11m 29d Gender: Male Location: In my house Posted 29/01/06 09:13 AM Share Posted 29/01/06 09:13 AM One thing I am getting VERY sick of is blowing my bottom cooler hose off ATLEAST 5 times a week when I hit boost... I have around the same power as you and have not blown a hose yet.Im running 12 psi.What psi are you running?You will have to get rid of the stocko clamps then Link to comment Share on other sites More sharing options...
Kimberley Scott www.australianflag.org.au Donating Members 6,763 Member For: 19y 5m 19d Gender: Male Location: Brisbane Posted 29/01/06 09:21 AM Share Posted 29/01/06 09:21 AM Mate to stay on topic, I would upgrade injectors and springs. This should allow you to make simliar power safely on BP ultimate (no boosters), which is your aim. I would also fix that bloody hose problem, if only for your piece of mind.If budget allowed, I think replacing the centre muffler for two hotdogs for flow effect, and if budget allowed a dump pipe.In my opinion this should give you what you are after, in a nice a safe pakage. Not including a tune.Good luck, I have always enjoyed your posts, for their honesty, and on occassions their non conformity.Scotty Link to comment Share on other sites More sharing options...
FR33DY Member 307 Member For: 19y 10m 12d Gender: Male Location: Sydney Posted 29/01/06 09:31 AM Share Posted 29/01/06 09:31 AM Trough LollyI'm going the same path as you, with intercooler and MetalCat, but I have already fitted 42lb injectors which cost about $350, and make 260RWKW, I think fitting the CAT and intercooler will get me about 290RWKW for daily driving. Not sure if I will need valve springs but if they become an issue I will stop at the power level they do. Link to comment Share on other sites More sharing options...
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