Hello first time doing this test on my 5.2 Jeep and here some info on it.
I installed rebuilt heads with hardened seats due to a crack in the head. I had oil and water mixed so after the rebuilt had was done I ran some normal oil for a few hundred miles and switch to Mobil 1 15w 50w I have only 240k on the original engine and transmission so im looking to push her to double that at least.
Just before the head failure I had just started to use Redline oil. Walmart had some M1 for 22 bux so couldn't pass on it. So for this test I drove in 100+ heat while towing up the CA grapvine. I pull about 3000lbs for 600 miles all summer long so is my report normal? Maybe the head braking in left wear metal? It was machined after all? What do you guys think? Ill be sending the new oil out soon for the 2k mile retest. Thanks for the time and for reply!
I installed rebuilt heads with hardened seats due to a crack in the head. I had oil and water mixed so after the rebuilt had was done I ran some normal oil for a few hundred miles and switch to Mobil 1 15w 50w I have only 240k on the original engine and transmission so im looking to push her to double that at least.
Just before the head failure I had just started to use Redline oil. Walmart had some M1 for 22 bux so couldn't pass on it. So for this test I drove in 100+ heat while towing up the CA grapvine. I pull about 3000lbs for 600 miles all summer long so is my report normal? Maybe the head braking in left wear metal? It was machined after all? What do you guys think? Ill be sending the new oil out soon for the 2k mile retest. Thanks for the time and for reply!
Last edited: