The continuing saga of my reman 4.0 engine. The engine runs fine, decent mileage, no smoke.

Polaris flagged the lead as abnormal (orange) and the oxidation critical (red).

(first to last)

Html:
Test#	1	2	3	4	5
Mileage	9622	5184	5606	5334	5679					
Iron 	146	43	26	28	55   
Chrom 	4	1	1	1	1   
Nickel	1	0	0	0	0   
Alum 	4	1	1	1	2   
Copper  23	12	16	20	24
Lead    15	8	4	3	47 
Tin     2	1	1	1	2
Cadmi   0	0	0	0	0	
Silv    0	0	0	0	0 
Vanad   0	0	0	0	0
Silicon 25	12	13	8	12 
Sodiu   18	6	6	9	15 
Potas   6	1	5	0	0 
Titan   0	1	0	0	0 
Moly    61	58	67	62      61
Antim   1	0	0	1	0 
Mang    2	0	0	0	0 
Lith    0	0	0	0	0
Boron   280	163	30	21	23	
Magn  	14	14	892	1041	1049	
Calc  	3611	2651	1008	814	737
Bari   	0	0	0	0	0
Phos	772	723	868	942	921  
Zinc  	923	864	1103	1189	1143
Fuel	<1	<1	2.2	2.0	<1
Soot	<.1	<.1	<.1	<.1	<.1
Water	<.1	<.1	<.1	<.1	<.1
V@100C	11.1	10.2	12.9	13.3	13.5
TBN   	3.4	4.47	4.22	NES	4.13	
Oxi    	20	25	17	NES	30
Nit     16	12	13	NES	14  


Test#1 PU
Test#2 PU
Test#3 T6
Test#4 T6
Test#5 T6



Obviously the sharp jump in lead is a concern. Copper + lead = bearing failure.

Current change is PP (old formulation).




Edited by Donald (06/09/14 05:49 PM)
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.