Send them to us and we'll return them this weekend. Luther
OK Don wrote: > The intake valve guides were within tolerance, the exhaust guides are now new. > > Yes - we bought a complete set of new head bolts and installed them. > > The prechambers didn't look al that gunked up - we did clean them > before re-installing, but mostly the exterior. All of the balls inside > look fine from the top. Might need to pull #1 and carefully clean the > fire holes. > > Lacking anything else to do, we made capture/measuring tubes from 5cc > syringes - took the plunger out of the piston, shoved the pistons all > the way in, then hung them over the injection line ends. Cranked the > engine till #1 had fuel up to the 3cc mark. Took them all off and > compared - all had 3cc of fuel, eliminating the possibility that the > IP wasn't delivering an equal amount of fuel to all injectors (at > least by a gross amount). > > Next we took the 5 old injectors that I've had lying around from a NA > 617. Saw that they are rated at 115 bar while the proper injectors for > the 603 are 135 bar. We puuled the first 5 injectors and swapped in > the old ones. > The engine idled MUCH smoother than it had before. We tested each cyl. > again by lossening the injection line, and found that 1 and 6 made the > most difference, 2 made very little, and 3, 4, and 5 made some. The > "no difference" had moved from 1 to 2. There was still some white > smoke, but much less than before (not enough to dampen the enthusiasm > of the mosquitoes). > > Our conclusion now (despite the earlier test where swapping an > injector between 1 and 6 made no difference), is that the set of > injectors need a rebuild. > > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com