As many of you know I have been working on my motor now for over 1 yr , as I have had many problems and thanks to the good men on this forum and their good advice, avoided many more ! The last you heard I had discovered mismatched pistons , so needed a new one of proper weight. As I had previously posted and some read , we found (1) at -Agkits . Com and their support is Reliance power tech support The man we spoke with was Kevin Borkowski, he was very helpful. shipped to wife's sis in Florida, wife brought back with her , along with a new water pump for our 2007 GMC , AND as I had asked previously are these rebuildable? I was able to balance to - 1 gm. As it had been some time time since disassembly I decided to wash all parts,(even though all had been in labeled plastic bags ).When washing the assembly lube of the rod bearings, discovered imbedded grinding stone particles, checking the crank,scratchest there also, check mains,similar! Was I ever hotissed: Took all back to the shop, first they tried to say it was dust from the air, then it was not their responsibility to see that the motor was clean,but polished the crank. When I inspected it (still at the shop) still saw scratches & nicks, I said no this needs reground, which they did NC .and of course new set of .010 over bearings NOW The original main plastigage clearance was .003 it's now .004 (spec .0019-.0045) regrind at .005!! Rods were .003 / now 1&4=.0028 / 2&3=.0038, spec max, .0045 & above must replace!
You will remember in turning crank by hand had , tight & loose 90% apart , that went away. Hallelujah at least for that . Before each ass - I had washed with air sprayed varsol, this time I used 1/2 gal of thinner on & in all holes of block & crank, also 1/2 gal or so of varsol from each way possible , the garbage was UNBELIEVABLE!! I could not make the cyl bores feel clean until I used a cyl hone while spaying varsol.
But I have these questions, if anyone knows what they are, I just discovered these RINGS and don't remember taking them out, or putting in new ones! The two square-ish ones look new, the round oval looks used. these are all rubber and this one the shape is rectangular, approx 3/16 thick x 3/8 high x 3 1/4 wide this one is oval shape, approx 1/4" x 3/16 x 3 3/4 this is rectangular shaped 1/8" thick x 5/16 high x 6 5/8 wide.
You will remember in turning crank by hand had , tight & loose 90% apart , that went away. Hallelujah at least for that . Before each ass - I had washed with air sprayed varsol, this time I used 1/2 gal of thinner on & in all holes of block & crank, also 1/2 gal or so of varsol from each way possible , the garbage was UNBELIEVABLE!! I could not make the cyl bores feel clean until I used a cyl hone while spaying varsol.
But I have these questions, if anyone knows what they are, I just discovered these RINGS and don't remember taking them out, or putting in new ones! The two square-ish ones look new, the round oval looks used. these are all rubber and this one the shape is rectangular, approx 3/16 thick x 3/8 high x 3 1/4 wide this one is oval shape, approx 1/4" x 3/16 x 3 3/4 this is rectangular shaped 1/8" thick x 5/16 high x 6 5/8 wide.