My 3.5 rover v8 isnt a happy bunny . When up to temp it taps from the top end on the n/s head. I've replaced the cam shaft (std new)the hydrolic tappets,push rods,rocker shafts and rocker shaft fingers.It has a fresh new ground crank with all new shells mains and big ends.oil presure is fine .Not totaly sure if its flowing to ther hyd tappets fully, I've got to check that out.its not a littel end ive taken off the plug leads one at a time to check if it stops, but to know avail. Any ideas would be welcome as im running out of things to try. well other than saying sod it and get a 4.2 rover v8 mmm if i only had the dosh lol.
The most likely answer is lack of oil.I`ve got the same prob with the Humber,I`ve got the rockers on the bench now ready for a clean up of the oil ways
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thats what i thought but the block and oil ways were all cleaned out when i rebuilt it.and ive got oil to the rocker shafts.ive changed the oil and put an oil addative in, and i think it has improved it slightly.thanks for the advise chevy.
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Cars don't get old, they get a v8. Its not how it looks,it's how YOU see it that counts.
My 3.5 rover v8 isnt a happy bunny . When up to temp it taps from the top end on the n/s head. I've replaced the cam shaft (std new)the hydrolic tappets,push rods,rocker shafts and rocker shaft fingers.It has a fresh new ground crank with all new shells mains and big ends.oil presure is fine .Not totaly sure if its flowing to ther hyd tappets fully, I've got to check that out.its not a littel end ive taken off the plug leads one at a time to check if it stops, but to know avail. Any ideas would be welcome as im running out of things to try. well other than saying sod it and get a 4.2 rover v8 mmm if i only had the dosh lol.
All this mentioned new stuff, is this bacause of the noise, or during the rebuild.
during rebuild.i wanted to have it running a good std spec.it has origanal valve guides and valves.its not the head, as i also changed the heads from another v8 that id done up before.
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Cars don't get old, they get a v8. Its not how it looks,it's how YOU see it that counts.