sleeper06 Posted May 27, 2013 Report Share Posted May 27, 2013 Why did it blow is the question, Quote Link to comment Share on other sites More sharing options...
bansheedemon Posted May 27, 2013 Author Report Share Posted May 27, 2013 Im fairly sure it was due to me putting a gallon of 87 with my 2 gallons of 93. I didnt know.my compression was 175psi per cylinder before hand, i assumed it was around 140-150. So i probably had bad detonation with the shitty fuel and it wrecked my o rings. Seems like a clear case of operator error and assuming things when i shouldnt have Quote Link to comment Share on other sites More sharing options...
Starwriter Posted May 27, 2013 Report Share Posted May 27, 2013 175 is too much compression for 93 octane pump gas. Quote Link to comment Share on other sites More sharing options...
n2otoofast4u Posted May 27, 2013 Report Share Posted May 27, 2013 what you mean it was 175 before hand now you think its 140-150? Quote Link to comment Share on other sites More sharing options...
fappy'97 Posted May 27, 2013 Report Share Posted May 27, 2013 https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcTAW7tcqIE65SdMdFpyfrZVud-n8HjyrR-Ez-gs0NfhKVSVhoG-fo_KCM6X Quote Link to comment Share on other sites More sharing options...
bansheedemon Posted May 27, 2013 Author Report Share Posted May 27, 2013 It runs perfect on 93. Never had an issue. But i have 175psi right now. I just didnt think it would be that high. It doesnt miss or idle weird. If anything its running a bit rich. But it runs perfect on 93. What should i run at 175? i run 93 because its always been run on 93 with no problems. Quote Link to comment Share on other sites More sharing options...
n2otoofast4u Posted May 27, 2013 Report Share Posted May 27, 2013 Oh I see, you didnt realize your compression was that high. Well, most will tell you thats too much for 93 but, if its been living and your happy with it then run it. I wouldn't get real motivated to lean it down much though. The extra fuel may be the reason for your success. Quote Link to comment Share on other sites More sharing options...
bansheedemon Posted May 27, 2013 Author Report Share Posted May 27, 2013 kind of why i left it a little rich. It wad running good and i dont like to mess with a good thing. But yeah i never thought i would have thought my compression was that high. Explains why it pulls so hard though. I might check the local airport and see if i can get some higher octane to mix even half and half with 93 just to be on the safe side. But yeah i bought it from my cousin and he bought it fron the person it was origionally built for. But no one really knows whats all in it. So im slowly figuring out what alls in the motor. Its bored to 65mm and measuring the stroke im at a 4mil stroker. Now when i take the off ill look at the porting and see what cc my domes are. Ill try and snap some pics and post them and see what you guys have to say and see if i cant figure out what all has been done to it. But for the $1800 i paid its a hell of a machine. Quote Link to comment Share on other sites More sharing options...
bansheedemon Posted June 3, 2013 Author Report Share Posted June 3, 2013 So i got my.o-rings today. Putting them in this weekend. Is it all pretty straight forward when you take the head off where they all go. Wasnt expecting 18 o-rings. Lol Quote Link to comment Share on other sites More sharing options...
bansheedemon Posted June 3, 2013 Author Report Share Posted June 3, 2013 Is it all pretty straight forward where they all go? was supposed to be a question. Oops Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted June 3, 2013 Report Share Posted June 3, 2013 yea you shouldn't have an issue figuring out where they go......plus since your pulling it apart you'll be able to match em up and realize where they go. Quote Link to comment Share on other sites More sharing options...
bansheedemon Posted June 3, 2013 Author Report Share Posted June 3, 2013 thats what i have heard. But im always a little nervous doing something for the first time. Just dont want to screw anything up. Quote Link to comment Share on other sites More sharing options...
J-Madd Posted June 4, 2013 Report Share Posted June 4, 2013 You only have to replace the dome orings 99% of the time. Did you check comp in both cylinders? You could've had water in the bad side and showed higher numbers. Quote Link to comment Share on other sites More sharing options...
bansheedemon Posted June 4, 2013 Author Report Share Posted June 4, 2013 No water. I took my dads camera down the spark plug hole into the cylinder. Its 175psi both cylinders. And i got the full set of o-rings cause then i know they are all good. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.