Join Date: Aug 1998
Location: Waldorf Md. USA
Re: From an engine builder that was willing to learn...
What exactly has changed in the last 5 years or so that has made it necessary to run a particular type of oil in the Morel hydraulic roller lifters ? The first BBC Hydraulic roller engine I built was over 20 years ago and had a fairly large cam and spring pressures comparable to what we are still running today. It was an all iron 540 with a B&M 420 blower for a boat. I dynoed that engine with 15W40 Mobil1 and never had an issue. We used the Crane lifters for many years until they went under/changed hands. Same deal, did not matter what type of oil you used. Then I started using the Morels that PBM was selling, probably 7 or 8 years ago ? Never had a problem. 15W40 in the boat engines and 10w30 in the cars. Any brand, synthetic or non synthetic. Morel was the only thing I would use.
Then BAM, all of a sudden noise issues started cropping up. What changed ? Something had to have changed in the manufacturing / material end of the product. Guys that had been using the Morel lifters for years didn't suddenly change the way they were building engines. There has to be a scientific explanation for the problem.
I am certainly glad you helped the one guy out but to be honest with you I dont think we should have to change the type of oil we have been using with the same lifters for years. Something has changed !!
Advanced Automotive Machine
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
1971 Heavy Chevy - original owner
1984 Buick Riviera - original owner (Wife's car)
Team Chevelle #100
Last edited by BillK; Jul 23rd, 19 at 3:57 PM.