(Mods feel free to delete this post or move the one in the general section - I just felt it would get more indy owners here!)
My 1986 indy 400 has great spark, new plugs, new gas, clean carbs, seemingly good compression without tester (blows thumb off of cylinder hole), fuel is getting to the carbs, and new lines. The top end was recently rebuilt and it has not ran since the rebuild due to lack of time to put it together so it was given to me. I cannot get this sled to fire for the life of me. I can pour gas into the cylinders and it will sometimes backfire and throw flames out the y-pipe. Now, I did install the needle jet wrong as it is lying ON TOP of the plate instead of under it. Would this cause my problem? I thought even with carbs put together wrong it would still fire with gas in the cylinders.
Any ideas?
My 1986 indy 400 has great spark, new plugs, new gas, clean carbs, seemingly good compression without tester (blows thumb off of cylinder hole), fuel is getting to the carbs, and new lines. The top end was recently rebuilt and it has not ran since the rebuild due to lack of time to put it together so it was given to me. I cannot get this sled to fire for the life of me. I can pour gas into the cylinders and it will sometimes backfire and throw flames out the y-pipe. Now, I did install the needle jet wrong as it is lying ON TOP of the plate instead of under it. Would this cause my problem? I thought even with carbs put together wrong it would still fire with gas in the cylinders.
Any ideas?