safe cleaning solution? August 21, 2006, 09:35:40 PM well, im buying a pair of E7 heads, but they are rusty and dirty, so i need to know what is the best cleaning solution i can use.thank you Quote Selected
safe cleaning solution? Reply #1 – August 21, 2006, 10:00:48 PM if the surface facing the pistons is rusted realy bad, it could be pitted and need to be machined. the valves could also be all coroded up. best bet would be take it somewhere and they can clean it up and machine it for you. Quote Selected
safe cleaning solution? Reply #2 – August 21, 2006, 10:16:47 PM well, how much would that cost? Quote Selected
safe cleaning solution? Reply #3 – August 22, 2006, 06:24:48 AM well when i take my stuff to the machine shop they hot tanked my block for 20 bucks i am sure heads shouldnt cost more but the machine shop could clean them up for you Quote Selected
safe cleaning solution? Reply #4 – August 22, 2006, 03:16:47 PM ok, thank you.one more thing. did they make E7 in 86? Quote Selected
safe cleaning solution? Reply #5 – August 22, 2006, 03:44:09 PM They cleaned my ported heades and installed a new valve,and gently milled them for $40.00. Quote Selected
safe cleaning solution? Reply #6 – August 22, 2006, 08:49:07 PM Quote from: quicksilversafe cleaning solution?molasses Quote Selected
safe cleaning solution? Reply #7 – August 22, 2006, 09:48:00 PM Quote from: quicksilverok, thank you.one more thing. did they make E7 in 86? The E7 actually stands for 87...... and E6 heads generally have a bad rap. Quote Selected
safe cleaning solution? Reply #8 – August 23, 2006, 12:15:40 AM QuoteThe E7 actually stands for 87...... and E6 heads generally have a bad rap.The E6 heads are rather restrictive in cases where you want to make a lot of power. They do, however have an enormously broad torque range. Quote Selected